Cisco Systems EA6500 manual

Corporate Headquarters Cisco Systems, In c. 170 West Tasman Drive San Jose, CA 951 34-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553-NETS (638 7) Fax: 408 526-4100 Catal yst 650 0 S eries S witc h Cisco IOS S of tw are Configuration Guide— Release 12 . 1 E Cisco IOS Release 12.1 E Customer Order Number: DO C-7814099= Text Part Number: 7[...]

THE SPECIFICATION S AND INFORMAT ION REGARDING THE PRODUCTS IN THIS MANU AL ARE SUBJECT TO CHANGE W ITHOUT NOTICE. A LL STATEMENTS , INFORMATION, AND RECOMMENDATI ONS IN THI S MANUAL ARE BE LIEVED TO BE A CCURATE BUT ARE PRESENTED WI THOUT WARRANTY OF ANY KIND, EX PRESS OR IMPLIED. USERS MUST TAKE FULL RESPO NSIBILITY FOR THEIR APPLICAT ION OF ANY [...]

3 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 CONTENTS Preface 21 Audience 21 Organization 21 Related Documentation 23 Conventi ons 24 CHAPTER 1 Product Overview 1 Configuring Embedded CiscoView Support 2 Understanding E mbedded CiscoView 2 Installing and Configuring Em bedded CiscoView 2 Display[...]

Contents 4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Protecting Access to Privileged EXEC Co mmands 15 Setting or Changing a Static En able Password 15 Using the enable password and enable secret Comman ds 15 Setting or Changing a Line Password 16 Setting TACACS+ Password Protection for Privil[...]

Contents 5 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Performing a Fast Softw are Upgrade 9 Copying Files to an MSFC 10 CHAPTER 6 Configuring Interfaces 1 Understanding Inte rface Configuration 1 Using the Interface Command 2 Configuring a Range of Interfaces 4 Defining and Using Interface-Range[...]

Contents 6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Understanding th e VTP Domain 2 Understanding VTP Modes 2 Understanding VTP Advertisements 2 Understanding VTP Version 2 3 Understan ding VTP Prun ing 3 VTP Default Configuration 5 VTP Configuration Guidelines and Re strictions 5 Configuring[...]

Contents 7 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 CHAPTER 11 Configuring Cisco IP Phone Support 1 Understanding Cisco IP Phone Support 1 Cisco IP Phone Connections 1 Cisco IP Phone Voice Traffic 2 Cisco IP Phone Data Traffic 3 Cisco IP Phone Power Configuration s 3 Default Cisco IP Phone Sup[...]

Contents 8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Preconfiguration Tasks 6 Configuring 802.1Q Tunnel Ports 6 Configuring the Switch to Tag Native VLAN Traffic 7 Understanding Ho w Layer 2 Protocol T unneling Works 7 Configuring Support for Layer 2 Protocol Tunneling 8 CHAPTER 15 Configuring[...]

Contents 9 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Configuring the Hello Time 32 Configuring the Forward-Delay Time for a VLAN 32 Configuring the Maximum Aging Time for a VLAN 33 Enabling Rapid-PVST 33 Configuring IEEE 802.1s MST 34 Enabling MST 34 Displaying MST Configurations 36 Configuring[...]

Contents 10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 CHAPTER 18 Configuring IP Multicast Layer 3 Switching 1 Understanding Ho w IP Multicast Layer 3 Switch ing Works 1 IP Multicast Layer 3 Switching Overview 2 Multicast Layer 3 Switching Cache 2 IP Multicast Layer 3 Switching Flow Mask 3 Laye[...]

Contents 11 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 IP MLS Operation 5 Default IP MLS Configuration 6 IP MLS Configuration Guidelin es and Restrictions 6 Configuring IP MLS 6 Enabling IP MLS Globally 6 Disabling and Enabling IP MLS on a Layer 3 Interface 7 Displaying the Interface IP MLS Conf[...]

Contents 12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Troubleshooting IPX MLS 14 CHAPTER 21 Configuring IG MP Snooping 1 Understanding Ho w IGMP Snooping Works 1 IGMP Snooping Overview 2 Joining a Multicast Gro up 2 Leaving a Multicast Group 4 Understanding IGMP Snooping Querier 5 Understandin[...]

Contents 13 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Configuring CBAC on Catalyst 6500 Series Switche s 7 Configuring MAC Address-Based Traffic Blocking 8 Configuring VLAN ACLs 8 Understanding VACL s 8 Configuring VACLs 11 Configuring VACL Logging 17 Configuring TCP Intercept 18 Configuring Un[...]

Contents 14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Initializing Authentication fo r the Client Connected to a Port 11 Changing th e Quiet Period 11 Changing the Switch-to -Client Retransmission Time 12 Setting the Switch-to-Client Retrans mission Time for EAP-Request Frames 13 Setting the S[...]

Contents 15 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 CHAPTER 30 Configuring CDP 1 Understanding Ho w CDP Works 1 Configuring CDP 1 Enabling CDP Globally 2 Displaying the CDP Global Configuration 2 Enabling CDP on a Port 2 Displaying the CDP Interface Configuration 3 Monitoring and Maintaining [...]

Contents 16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Configuring DSCP Value Maps 66 Configuring PFC QoS Statistics Data Export 70 CHAPTER 32 Configuring UDLD 1 Understanding How UDLD Works 1 UDLD Overview 1 UDLD Aggressive Mode 2 Default UDLD Configuration 3 Configuring UDLD 3 Enabling UDLD G[...]

Contents 17 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Local SPAN and RSPAN Guidelines and Restrictions 6 VSPAN Guidelines and Restrictions 7 RSPAN Guidelines and Restrictions 7 Configuring Local SPAN and RSPAN 8 Local SPAN and RSPAN Configuration Overview 8 Configuring RSPAN VLANs 9 Configuring[...]

Contents 18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 CHAPTER 36 Configuring SNMP IfIndex Persistence 1 Understanding SNMP IfIndex Persistenc e 1 Configuring SNMP IfIndex Persistence 1 Enabling and Disabling SNMP IfIndex Persistence Globally 2 Enabling and Disabling SNMP IfIndex Persistence on[...]

Contents 19 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 APPENDIX A Acronyms 1 INDEX[...]

Contents 20 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04[...]

21 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Preface This preface describes who shoul d read the Catalyst 6500 Series Switc h Cisco IOS Softwar e Confi gurati on Guide , ho w it is or ganized, and its document co n ven tions. Audience This guide is for e xperienced network ad ministrators who a[...]

22 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Preface Organization Chapter 11 Config uring Cisco IP Phone Support Describes ho w to confi gure Cisco IP Phone support. Chapter 12 Configuring Layer 3 Interfaces Describes ho w to configur e LAN interfaces to support Layer 3 features. Chapter 13 Co[...]

23 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Preface Related Documentation Related Documentation The follo wing publications are av ailable for the Catalyst 6500 series switches: • Catalyst 6500 Series Switch Inst allation Guide • Catalyst 6500 Series Switch Modu le Installation Gui de • [...]

24 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Preface Conventions – Softwar e System Err or Messages – Deb ug Command Ref er ence – Internetwork Design Guide – Internetwork T roubl eshooting Guide – Config uration Bu ilder Getting Sta rted Guide The Cisco IOS Conf iguration Guides and[...]

25 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Preface Conventions Cautions use the following con v entions: Caution Means re a d e r b e c a re f u l . In this situation, you might do something that could result in equipment damage or loss of data. Obtaining Documentation and Submitting a Servic[...]

26 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Preface Conventions[...]

CH A P T E R 1-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 1 Product Overview The Cisco IOS on the Catalyst 6500 Series Switches prod uct supports the follo wing hardware and software: • Supervisor En gine 2, Policy Feature Card 2 (PFC2), and M ultilayer Switch Feature Card 2 (MSFC2); and in [...]

1-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 1 Product Overview Configuring Embedde d CiscoView Support Configuring Embedded CiscoView Support These sections describe the Embedded CiscoV ie w su pport av ailable wi th Release 12.1(20)E and later releases: • Understanding Embedded Ci[...]

1-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 1 Product Overview Configuring Embedd ed CiscoView Support For more information about web access to the switch , refer to “Using the Cisco W eb Brow ser” in the IOS Conf iguratio n Fundamentals Conf iguration Guide at this URL: http://ww[...]

1-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 1 Product Overview Configuring Embedde d CiscoView Support[...]

CH A P T E R 2-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 2 Command-Line Interfaces This chapter descr ibes the comma nd-line inte rfaces (C LIs) you use to configure the Catalyst 6500 series switches. Note For complete syntax and usage in formation for the co mmands used in this chap ter , re[...]

2-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 2 Command-Line Inter faces Accessing the CLI T o make a console connection, perfor m this task: After making a console connection , you see this display: Press Return for Console prompt Router> enable Password: Router# Accessing the CLI [...]

2-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 2 Command-Line Interfaces Performing Command Line Processing This exampl e shows ho w to open a T elnet session to the switch: unix_host% telnet Router_1 Trying 172.20.52.40... Connected to 172.20.52.40. Escape character is '^]'. U[...]

2-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 2 Command-Line Inter faces Cisco IOS Command Mode s Cisco IOS Command Modes Note For complete inform ation about Cisco IOS command modes, refer to t he Cisco IOS Configuration Fundamentals Conf iguration Guide an d the Cisco IOS Conf igurat[...]

2-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 2 Command-Line Interfaces Displaying a List of Cisco IOS Comman ds and Syntax The Cisco IOS command interpreter , called the EXEC, interprets and e xecutes the commands you enter . Y ou can abbre viate commands and ke ywords by ente ring jus[...]

2-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 2 Command-Line Inter faces ROM-Monitor Command-Line Interface For e xample: Router# configure ? memory Configure from NV memory network Configure from a TFTP network host overwrite-network Overwrite NV memory from TFTP network host terminal[...]

CH A P T E R 3-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 3 Configuring the Switch for the First Time This chapter contai ns information about how to initia lly conf igure the Catalyst 6500 series switch, which supplements the administrat ion information and p rocedures in these publicat ions:[...]

3-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Configuring the Switch Configuring the Switch These sections describe ho w to configure the sw itch: • Using the Setup Facility or t he setup Command, page 3-2 • Using Conf iguration Mode, [...]

3-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Configuring the Switch When you enter the setup command, current system conf iguration defaul ts are displayed in square brackets [ ] as y ou mov e through the setup command process and are querie[...]

3-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Configuring the Switch Copyright (c) 1986-2001 by cisco Systems, Inc. Compiled Wed 28-Mar-01 18:36 by hqluong Image text-base: 0x30020980, data-base: 0x306B8000 Start as Primary processor 00:00[...]

3-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Configuring the Switch --- System Configuration Dialog --- Continue with configuration dialog? [yes/no]: y At any point you may enter a question mark '?' for help. Use ctrl-c to abort co[...]

3-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Configuring the Switch GigabitEthernet1/1 172.20.52.34 YES NVRAM up up GigabitEthernet1/2 unassigned YES TFTP administratively down down GigabitEthernet3/1 unassigned YES TFTP administratively [...]

3-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Configuring the Switch Note An enable secret password can contain from 1 to 25 uppercase and lowercase alphanumeric characters; an enable password can contain any number of uppercase and lowercase[...]

3-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Configuring the Switch shutdown no ip address ! interface GigabitEthernet1/2 shutdown no ip address ! . <...output truncated...> .! end [0] Go to the IOS command prompt without saving thi[...]

3-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Configuring the Switch When you reach and respond to the configuration dialog for the last in stalled interface, your interface configuration is complete. Step 3 Check and veri fy the entire list [...]

3-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Configuring the Switch For detailed int erface configuration i nformatio n, refer to the Cisco IOS Inte rface Configuration Guide at this URL: http://www .cisco.com/uni vercd/cc/td/ doc/produc[...]

3-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Configuring the Switch Current configuration: Current configuration : 3441 bytes ! version 12.1 service timestamps debug datetime localtime service timestamps log datetime localtime no service pa[...]

3-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Configuring the Switch Configuring a Default Gateway Note The switch uses the default g atew ay only when it is not conf igured with a routing protocol. T o send data to another subn et when t[...]

3-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Configuring the Switch This example shows ho w to use the show running-conf ig command to conf irm the conf iguration of the pre viously conf igured static route: Router# show running-config Buil[...]

3-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Configuring the Switch Configuring a BOOTP Server The Bootstrap Protocol (BOO TP) automatically assi gns an IP address b y a dding the MA C and IP addresses of the interface to the BOO TP serv[...]

3-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Protecting A ccess to Privileged EXEC Commands Protecting Access to Privileged EXEC Commands The follo wing tasks provide a w ay to control access to the system configuratio n f ile and privilege[...]

3-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Protecting Ac cess to Pr ivileged EXEC Commands Use either of these commands with the level op tion to defi ne a password for a specif ic pri vilege le vel. After you specify the le vel and se[...]

3-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Protecting A ccess to Privileged EXEC Commands When you set T A CA CS password protecti on at the pri vileged EXEC mode, the enable EXEC co mmand prompts for both a ne w username and a password. [...]

3-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Protecting Ac cess to Pr ivileged EXEC Commands For e xample, if you want many users to hav e acce ss to the clear line command, you can assign it lev el 2 security and dist ribute the le vel [...]

3-19 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Recovering a Lost Enable Pa ssword Exiting a Privilege Level T o exit to a sp ecified pri vilege le vel, perform this task: Displaying the Password, Access Leve l, and Privilege Level Configurati[...]

3-20 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Modifying the Supervisor En gine Startup Configuration Modifying the Supervisor Engine Startup Configuration These sections descri be how the startup configuration on the superv isor engine wo[...]

3-21 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Modifying the Sup ervisor Eng ine Startup Configuration The R OM monitor has these features: • Power -on confidence test • Hardware initializat ion • Boot capability (manual boot and aut ob[...]

3-22 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Modifying the Supervisor En gine Startup Configuration Modifying the Boot Field and Using the boot Command The confi guration register bo ot fi eld determines whether or not the switch loads a[...]

3-23 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Modifying the Sup ervisor Eng ine Startup Configuration Modifying the Boot Field Y ou modify the boot f ield from the software conf iguration register . T o modify the software configurati on reg[...]

3-24 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Modifying the Supervisor En gine Startup Configuration Verifying the Configur ation Register Setting Enter the show ve rsi on EXEC command to verify the current conf iguration register set tin[...]

3-25 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Modifying the Sup ervisor Eng ine Startup Configuration Flash Memory Features The Flash memory compon ents allo w you to do the foll owing : • Copy the system image to Fl ash memory using TFTP [...]

3-26 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Modifying the Supervisor En gine Startup Configuration CONFIG_FILE Environment Variable For Class A Flash f i le systems, the CONFIG_FILE en vironment v ariable specifies the f ile system and [...]

3-27 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Configuri ng the Switch for the First Time Modifying the Sup ervisor Eng ine Startup Configuration Setting the BOOTLDR En vironment Variable T o set the BOO TLDR en vironment v ariable, perform this task: This example sho ws how to set th[...]

3-28 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 3 Config uri ng the Switch fo r the First Time Modifying the Supervisor En gine Startup Configuration[...]

CH A P T E R 4-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 4 Configuring EHSA Supervisor Engine Redundancy W ith 12.1 E releases earlier than Release 12.1( 13)E, the Catalyst 6500 series switch support s dual supervisor engines with EHSA. Note EHSA is not supported in Release 12.1(13)E and l at[...]

4-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 4 Configuring EHSA Supervisor Engine Redu ndancy Supervisor Engine Redun dant Operation EHSA standby mode provides the fol lowing features: • Auto-startup and bootv ar synchronization between acti ve and red undant supervisor engines • [...]

4-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 4 Configuring EHSA Supervisor Engine Redundancy Supervisor Engine Redun dant Operation Note If the redundant supervisor en gine is runnin g Catalyst operating system softw a re, remov e the acti ve supervisor engin e and boot the switch with[...]

4-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 4 Configuring EHSA Supervisor Engine Redu ndancy Supervisor Engine Redun dant Operation Router(config-r-mc)# end Router# copy running-config startup-config Note T o manually synchr onize only indi vidual elements of th e standard au to-sync[...]

4-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 4 Configuring EHSA Supervisor Engine Redundancy Supervisor Engine Redun dant Operation Use the following command to cop y a file to the bootflash: de vice on a redundant supervisor engine: Router# copy source_device : source_filename slavesu[...]

4-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 4 Configuring EHSA Supervisor Engine Redu ndancy Supervisor Engine Redun dant Operation[...]

CH A P T E R 5-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 5 Configuring RPR and RPR+ Supervisor Engine Redundancy Release 12.1(13)E and later releases support supe rvi sor engine redund ancy with Route Processor Redundancy (RPR) and Route Processor Redundanc y Plus (RPR+). This chapter describ[...]

5-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR and RPR+ Supe rvisor Engine Redundancy Understanding Superviso r Engine Redundancy RPR Operation RPR supports the follo wing features: • Auto-startup and bootv ar synchronization between acti ve and red undant supervisor[...]

5-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR an d RPR+ Supervisor Engine R edundancy Understanding Superviso r Engine Redundancy RPR+ enhances RPR b y providing th e follow ing additional benef its: • Reduced switchov er time Depending on the conf iguration, the swi[...]

5-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR and RPR+ Supe rvisor Engine Redundancy Supervisor Engine Redun dancy Guidelines and Restrictio ns Supervisor Engine Redundancy Guidelines and Restrictions These sections describe supervisor engine redund an cy conf igurati[...]

5-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR an d RPR+ Supervisor Engine R edundancy Supervisor Engine Redun dancy Guidelines and Restric tions Guidelines • The two Gigabit Ethern et interfaces on the redu ndant supervisor engine are alw ays acti ve. • RPR+ switc [...]

5-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR and RPR+ Supe rvisor Engine Redundancy Configuring Supe rvisor Engine Redunda ncy Configuration Mode Restrictions The follo wing configuratio n restrictions appl y during the startup synchronization process: • Y ou canno[...]

5-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR an d RPR+ Supervisor Engine R edundancy Configuring Supervisor Engine Redundancy client count = 11 client_notification_TMR = 30000 milliseconds keep_alive TMR = 4000 milliseconds keep_alive count = 0 keep_alive threshold = [...]

5-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR and RPR+ Supe rvisor Engine Redundancy Configuring Supe rvisor Engine Redunda ncy Router(config-r-mc)# no auto-sync standard Router(config-r-mc)# auto-sync config-register Router(config-r-mc)# end Router# copy running-conf[...]

5-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR an d RPR+ Supervisor Engine R edundancy Performing a Fast Software Upgrade Performing a Fast Software Upgrade The fast softw are upgrade (FSU) procedu re supported by RPR allo ws you to upgrade the Ci sco IOS image on the s[...]

5-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 5 Configuring RPR and RPR+ Supe rvisor Engine Redundancy Copying Files to an MSFC This exampl e shows ho w to perform an FSU: Router# config terminal Router(config)# config-register 0x2 Router(config)# boot system flash slot0: c6sup22-jsv-[...]

CH A P T E R 6-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 6 Configuring Interfaces This chapter descri bes how to configure interfaces on the Catalyst 6500 series switches. This chapter consists of these sections: • Understanding Interface Conf iguration, page 6-1 • Using the Interface Com[...]

6-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Using the Inter face Command • Port number—The physical port number on the modul e. On the Catalyst 6500 series switch, the port numbers always be gin with 1. When facing the rear of the switch, ports are numbe[...]

6-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Using the Interface Command 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier 0 output buffer failures, 0 output buffers swapped out Router# Step 4 Enter the show hard ware EXEC command to see a l[...]

6-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Configuring a Ra nge of Interfaces Configuring a Range of Interfaces The interface-range co nfigu ration mode allo ws you to configure multip le interfaces with the same configuration parame ters. After yo u enter [...]

6-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Configuring a Range of Interfaces • W ith releases earlier than Releas e 12.1(26)E, for VLAN interfaces, the interface range command supports only those VLAN interf aces for whic h Layer 2 VLANs ha ve been created[...]

6-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Defining and U sing Interface-Ran ge Macros If you enter mul tiple conf iguration comman ds while you are in interf ace-range conf iguration mode, each command is ex ecuted as it is entered (they are not batched to[...]

6-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Configuring Optional Interface Features Configuring Optional Interface Features These sections describe opt ional interf ace features: • Configuring Et hernet Interface Speed and Du plex Mode, page 6-7 • Configu[...]

6-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Configuring Optio nal Interface Features Setting the Ethernet Interface Speed Note If you set th e Ethernet port speed to auto on a 10/100-Mbps or 10/100/ 1000-Mbps Ethernet por t, both speed and duplex are autoneg[...]

6-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Configuring Optional Interface Features The ports on both ends of a l ink must ha ve the same setting. The link will not come up if the ports at each end of the link are set inconsistently (link ne gotiation enabled[...]

6-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Configuring Optio nal Interface Features Last clearing of "show interface" counters never Queueing strategy: fifo Output queue 0/40, 0 drops; input queue 0/75, 0 drops 5 minute input rate 0 bits/sec, 0 p[...]

6-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Configuring Optional Interface Features Jumbo Frame Support Overview A jumbo frame is a frame l arger than th e default Ethernet frame si ze. Y ou enable jumbo frame support by conf iguring a larger -than-default m[...]

6-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Configuring Optio nal Interface Features Bridged and Routed Traffic Size Check at Egress Gigabit Ethernet and 10 Gigabit Ethernet Ports Jumbo frame support compares egress traff ic size with the globa l egress LAN[...]

6-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Configuring Optional Interface Features Release 12.1(13)E and later releases sup port nondef ault MTU sizes between 1,500 and 9,216 by tes for Layer 2 Ethernet ports, conf igured per-port with the mtu command and g[...]

6-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Configuring Optio nal Interface Features This exampl e shows ho w to conf igure the MTU size on Gigabit Ethernet port 1/2: Router# configure terminal Router(config)# interface gigabitethernet 1/2 Router(config-if)[...]

6-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Configuring Optional Interface Features When config uring flo w control, note the follo wing syntax information: • 10-Gigabit Ethernet ports are permanent ly configur ed to respond to pause frames. • When the c[...]

6-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Configuring Optio nal Interface Features T o conf igure the debounce t imer on a port, perform this task: On fiber Gig abit Ethernet ports, you can increase th e port debounce timer v alue in increments of 100 mil[...]

6-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Understanding Online In sertion and Removal This exampl e show s how to ad d a description on Fa st Ethernet port 5/5: Router(config)# interface fastethernet 5/5 Router(config-if)# description Channel-group to &quo[...]

6-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Monitoring and Main taining Interfaces T o display information abou t the interface, perform th ese tasks: This exampl e shows ho w to display the status of F ast Ethernet port 5/5: Router# show protocols fastethe[...]

6-19 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Configuring Interfac es Monitoring and Maintaining Interfaces Resetting an Interface T o reset an interface, perform this task: This exampl e shows ho w to reset Fast Ether net port 5/5: Router# clear interface fastethernet 5/5 Router# Sh[...]

6-20 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 6 Config uring Interfaces Monitoring and Main taining Interfaces[...]

CH A P T E R 7-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 7 Configuring LAN Ports for Layer 2 Switching This chapter describes ho w to use the command-line in terface (CLI) to configure Ethernet, F ast Ethernet, Gigabit Ethernet , and 10-Gigabit Ethern et LAN port s f or Layer 2 switching on t[...]

7-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Understanding Ho w Layer 2 Switching W orks Layer 2 Ethernet Switching Overview Catalyst 6500 series switches su pport simultaneous, parallel conn ections between Layer 2 Et hernet segments. Sw[...]

7-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Understanding How Laye r 2 Switching Works Trunking Overview Note For information about VLANs, see Chapter 9, “Conf iguring VLANs. ” A trunk is a point-t o-point link between the switch and a[...]

7-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Understanding Ho w Layer 2 Switching W orks Encapsulation Types T able 7-1 lists the Ethern et trunk encapsulation t ypes. The trunking mode, the tr unk encapsulation type, and the hardware cap[...]

7-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Default Layer 2 LAN Inte rface Configuration Note DTP is a point-to-poi nt protocol. Ho wever , some internetworking de vices might forward DTP frames improperly . T o av oid this problem, ensure[...]

7-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Layer 2 LAN Interface Configura tion Guidelines and Restrictions Layer 2 LAN Interface Configura tion Guidelines and Restrictions When config uring Layer 2 LAN ports, follo w these guidelines a[...]

7-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching Configuring LAN Interfaces for Layer 2 Switching These sections describe ho w to configure Layer 2 switching on the Catalyst 65 00 series switche[...]

7-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching Configuring a Layer 2 Switching Port as a Trunk These sections describe conf iguring a Layer 2 switching port as a trunk : • Preparing a Laye[...]

7-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching T o conf igure the Layer 2 switch ing port as an ISL or 802.1Q t runk, perform this task : Note Complete the steps in the “Completing T runk Co[...]

7-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching T o conf igure the Layer 2 trunk not to u se DTP , perform this task: When config uring the Layer 2 trunk not to use DTP , note the followi ng[...]

7-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching Note Complete the steps in the “Completing T runk Confi guration” section on page 7-13 after performing the tasks in this section. Configuri[...]

7-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching When config uring the list of VLANs al low ed on a trunk, note the follo wing syntax informat ion: • The vlan parameter is either a single V[...]

7-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching Note Complete the steps in the “Completing T runk Confi guration” section on page 7-13 after performing the tasks in this section. Completin[...]

7-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching Router# show interfaces fastethernet 5/8 switchport Name: Fa5/8 Switchport: Enabled Administrative Mode: dynamic desirable Operational Mode: t[...]

7-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching This exampl e show s how to configu re the Fast Ethernet port 5/6 as an access port in V LAN 200: Router# configure terminal Enter configuration[...]

7-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching Configuring a Custom IEEE 802.1Q EtherType Field Value W ith Release 12.1(20)E and later releases, you can co nfigure a custom EtherT ype fiel[...]

7-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports for Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching • Y ou cannot conf igure a custom EtherT ype field v alue on the ports in an EtherChannel . • Y ou cannot form an EtherChannel from ports th[...]

7-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 7 Configuring LAN Ports fo r Layer 2 Switching Configuring LAN Interfac es for Layer 2 Switching[...]

CH A P T E R 8-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 8 Configuring VTP This chapter describes ho w to confi gure the VLAN T runking Protocol (VTP) on the Cataly st 6500 series switches. Note For complete syntax and usage in formation for the co mmands used in this chap ter , refer to the [...]

8-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configu ring VTP Understanding How VT P Works Understanding the VTP Domain A VTP domain (also called a VLAN management doma in) is made up of o ne or more interconnected network de vices that share the same VTP domain n ame. A network de [...]

8-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configuring VTP Understanding How VTP Works The follo wing global configurat ion inf ormation is distrib u ted in VTP adver tisements: • VLAN IDs (ISL and 802.1Q) • Emulated LAN names (for A TM LANE) • 802.10 SAID values (FDDI) • V[...]

8-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configu ring VTP Understanding How VT P Works Figure 8-1 sho ws a switched network wi thout VTP pruning enabled. In terface 1 on network Switch 1 and port 2 on Switch 4 are assigned to th e Red VLAN. A broadcast is sent from the host conn[...]

8-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configuring VTP VTP Default Config uration Enabling VTP pruning o n a VTP server enable s pruning for the enti re management domain. VTP p runing takes ef fect sev eral seconds after you enable it. By default, VLANs 2 through 1000 are prun[...]

8-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configu ring VTP Configuring VTP • When you enable or disable VTP pruning on a VTP server , VTP pruning for the entir e management domain is enabled o r disabled. • The pruning-eligib ility configuration applies globally to all trunks[...]

8-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configuring VTP Configuring VTP This exampl e shows one w ay to configure a VTP pa sswor d with Release 12.1(13)E and later releases: Router# configure terminal Router(config)# vtp password WATER Setting device VLAN database password to WA[...]

8-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configu ring VTP Configuring VTP Note In a T oken Ring en vironment, you must enable VTP v ersion 2 for T oken Ring VLAN switching to function properly on de vices that support T oken Ring interfaces . T o enable VTP versio n 2, perform t[...]

8-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configuring VTP Configuring VTP Note When VTP is disabled, you can enter VLAN conf iguration commands in conf iguration mode instead of the VLAN database mode and the VLAN configuratio n is stored in the startup conf iguration f ile. This [...]

8-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 8 Configu ring VTP Configuring VTP This exampl e shows ho w to verify the conf iguration: Router# show vtp status VTP Version : 2 Configuration Revision : 247 Maximum VLANs supported locally : 1005 Number of existing VLANs : 33 VTP Operati[...]

CH A P T E R 9-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 9 Configuring VLANs This chapter describe s how to configure VLANs on the Catalyst 6 500 series switch es. Note For complete syntax and usage in formation for the co mmands used in this chap ter , refer to the Catalyst 6500 Series Switc[...]

9-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Understanding How VLA Ns Work VLAN Ranges Note Y ou must enable the extended system ID to use 4096 VLANs (see the “Underst anding the Bri dge ID” section on page 15-3 ). W ith Release 12.1(13)E and later releases, Ca[...]

9-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Understanding How VLAN s Work Configurable VLAN Parameters Note • Ethernet VL AN 1 uses on ly default values. • Except for the VLAN name, Ethernet VLANs 1006 thro ugh 4094 use only def ault v alues. • W ith Release [...]

9-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Understanding How VLA Ns Work Figure 9-1 Interconnected T ok en Ring T rBRF and T rCRF VLAN s For source routing, the Catalyst 6500 series switch ap pears as a single bridge between th e logical rings. The T rBR F can fu[...]

9-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Understanding How VLAN s Work Figur e 9-2 Undistr ibuted T rCRFs By default, T oken Ring ports are associated with the default T rCRF (VLAN 10 03, trcrf-default), which has the default T rBRF (VLAN 1005, trbrf-def ault) a[...]

9-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs VLAN Default Configuration Figur e 9-4 Backup T rCRF VLAN Default Configuration Ta b l e s 9-2 through 9-6 sho w the default conf igurations for the dif ferent VLAN media types. T rCRF 600 T rBRF 1 ISL S6811 Switch A Swi[...]

9-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs VLAN Default Co nfiguration T ranslational bridge 2 0 0–1005 VLAN state acti ve acti ve, suspend T able 9-4 T ok en Ring (T rCRF) VLAN Def aults and Rang es Parameter Default Range VLAN ID 1003 1–1005 VLAN name “tok[...]

9-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs VLAN Configuration Gu idelines and Restrictions VLAN Configuration Guidelines and Restrictions Follo w these guidelines and restrictions wh en creating and modify ing VLANs in your netw ork: Restrictions • Supervisor e[...]

9-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Configuri ng VLANs • When a Catalyst 6500 series switch is conf igur ed as a VTP server , you can configure FDDI and T oken Ring VLANs from the switch. • Y ou mu st configure a T rBRF before yo u configure the TrCRF ([...]

9-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Configuring VLANs • Y ou can configure extended-rang e VLANs onl y in global c onfiguration mode. Y o u cannot co nfigure extended -range VLANs in VLAN database mode. VLAN Configuration in VLAN Database Mode Note Y ou[...]

9-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Configuri ng VLANs When you create or modify an Ethernet VLAN, note the follo wing syntax information: • Releases 12.1(11b)E and later support VLAN conf iguration in global conf iguration mode. • Releases 12.1(13)E a[...]

9-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Configuring VLANs Assigning a Layer 2 LAN Interface to a VLAN A VLAN created in a management domain remains unused until you assign one o r more LAN ports to the VLAN. Note Make sure you assig n LAN ports to a VLAN of t[...]

9-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Configuri ng VLANs 802.1Q VLANs in the range 1 th rough 1001 and 1006 th rough 4094 are automatical ly mapped to the corresponding IS L VLAN. 802.1Q VLA N numbers corresponding to reserved V LAN numbers must be mapped to[...]

9-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 9 Configuring VLANs Configuring VLANs[...]

CH A P T E R 10-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 10 Configuring Private VLANs This chapter descri bes how to configure pri vate VLANs on t he Catalyst 65 00 series switc hes. Release 12.1 E supports pri vate VLANs with Release 12.1( 11b)E and later . Note For complete syntax and usag[...]

10-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Priva te VLANs Private VLAN Configuration Restrictions and Guidelines Pri vate VLAN ports are associated w ith a set of supporting VLANs th at are used to create the pri vate VLAN structure. A p riv ate VLAN uses VLANs three[...]

10-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Private VLANs Private VLAN Configuration Restrictions and Guide lines • Do not configure pr iv ate VLAN ports as EtherChannels. While a port is part of the pri vate VLAN config uration, an y EtherChannel conf iguration for [...]

10-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Priva te VLANs Private VLAN Configuration Restrictions and Guidelines • VTP does not support pri vate VLANs. Y ou must configu re pri vate VLANs on each d evice where you want pri vat e VLAN ports. • T o maintain the sec[...]

10-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Private VLANs Configuring Private VLANs • Because the priv ate VLAN port sticky ARP en tries do not age out, you must manual ly remov e priv ate VLAN port ARP entries if a MAC address changes. Y ou can add or remove pri vat[...]

10-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Priva te VLANs Configuring Private VLANs Primary Secondary Type Interfaces ------- --------- ----------------- ------------------------------------------ 202 primary This exampl e show s how to configu re VLAN 303 as a commu[...]

10-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Private VLANs Configuring Private VLANs • Use the re move keyword with a secondary_vlan_list to clear the association between secondary VLANs and a primary V LAN. • The command does not take ef fect until you exit VLAN co[...]

10-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Priva te VLANs Configuring Private VLANs • Enter a secondary_vlan_list parameter or use th e add keyword with a secondar y_vlan_lis t parameter to map the secondary VLANs to the primary VLAN. • Use the re move keyword wi[...]

10-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Private VLANs Configuring Private VLANs This example sho ws ho w to configure interface F a stEthe rnet 5/1 as a priv ate VLAN host port and verify the conf iguration: Router# configure terminal Router(config)# interface fast[...]

10-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 10 Configuring Priva te VLANs Configuring Private VLANs When you configure a Layer 2 interface as a priv at e VLAN promiscuous port, note the follo wing syntax inform ation: • The secondary_vlan_list param eter cannot c ontain spac es. [...]

CH A P T E R 11-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 11 Configuring Cisco IP Phone Support This chapter describe s how to configure support fo r Cisco IP Phones on the Catalyst 650 0 series switches. Release 12.1(13)E and late r releases support Ci sco IP Phones. Note For complete syntax[...]

11-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 11 Configur ing Cisco IP Phone Support Understanding Cisco IP Phone Support Figur e 1 1 -1 Cisco IP Phone Connect ed to a S witch Cisco IP Phone Voice Traffic The Cisco IP Phon e transmits voice traffic with La yer 3 IP precedence an d Lay[...]

11-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 11 Configuring Cisco IP Phone Support Understanding Cisco IP Phone Suppo rt Cisco IP Phone Data Traffic Note Untagged traff ic from the de vice attached to the Ci sco IP Phone passes through the Cisco IP Phone unchanged, regardless of the t[...]

11-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 11 Configur ing Cisco IP Phone Support Default Cisco IP Phone Support Configuration When a switching module p ort detects an unpo wered Cisco IP Phone, the switching module reports to the supervisor eng ine that an unpo wered Cisco IP Ph o[...]

11-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 11 Configuring Cisco IP Phone Support Configuring Cisco IP Phone Su pport • Y ou cannot conf igure 10/100 Mbps po rts with QoS port architectu re 1p4t/2q2t to trust recei ved Layer 2 CoS v alues. Config ure policies to trust the Layer 3 I[...]

11-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 11 Configur ing Cisco IP Phone Support Configuring Cisco IP Phone Su pport When confi guring the w ay in which the Cisco IP Phone transmits voice traf fic, note the follo wing syntax inform ation: • Enter a voice VLAN ID to send CDPv2 pa[...]

11-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 11 Configuring Cisco IP Phone Support Configuring Cisco IP Phone Su pport Configuring Data Traffic Support T o conf igure the way i n which the Cisco IP Phone transm its data traf fic, perfor m this task: When conf iguring the w ay in which[...]

11-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 11 Configur ing Cisco IP Phone Support Configuring Cisco IP Phone Su pport Configuring Inline Power Support T o conf igure inline po wer support, perform this task: When config uring inline po wer support, note the follo wing syntax inform[...]

CH A P T E R 12-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 12 Configuring Layer 3 Interfaces This chapter contains information abou t ho w to config ure Layer 3 interfaces on the Catalyst 6500 series switches, which supplements the infor mation and pr ocedur es in the Release 12.1 publicat ion[...]

12-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 12 Configuring Layer 3 Interfaces Configuring IP Routing and Addresses Note • For complete syntax and usage in formation for t he commands used in this chapter, refer to the Catalyst 6500 Series Switc h Cisco IOS Comma nd Refer ence publ[...]

12-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 12 Con figuring Layer 3 Interfaces Configuring IP Routing and Addre sses The Multilayer Switch Feature Ca rd 2 (MSFC2) pr o vides processing in software for route-map sequences that use the match length and set interface ke ywords. T o conf[...]

12-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 12 Configuring Layer 3 Interfaces Configuring IP Routing and Addresses Router# show interfaces fastethernet 5/4 FastEthernet5/4 is up, line protocol is up Hardware is Cat6K 100Mb Ethernet, address is 0050.f0ac.3058 (bia 0050.f0ac.3058) Int[...]

12-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 12 Con figuring Layer 3 Interfaces Configuring IP Routing and Addre sses WCCP Redirect exclude is disabled BGP Policy Mapping is disabled IP multicast multilayer switching is disabled IP mls switching is enabled Router# This example uses th[...]

12-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 12 Configuring Layer 3 Interfaces Configuring IPX Routing and Networ k Numbers Configuring IPX Routing and Network Numbers For complete in formation and procedur es, refer to these publication s: • Cisco IOS AppleT alk and No vell IPX Co[...]

12-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 12 Con figuring Layer 3 Interfaces Configuring AppleTalk Routing, Cab le Ranges, and Zones Configuring AppleTalk Routing, Cable Ranges, and Zones For complete in formation and procedur es, refer to these publication s: • Cisco IOS AppleT [...]

12-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 12 Configuring Layer 3 Interfaces Configuring Oth er Protocols on Layer 3 Interfaces Configuring Other Protocols on Layer 3 Interfaces Refer to these publicatio ns for information about conf iguring other protocols on Layer 3 i nterfaces: [...]

CH A P T E R 13-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 13 Configuring EtherChannels This chapter describes ho w to configure Et herChannels on the Catalyst 6500 seri es switch Layer 2 or Layer 3 LAN ports. Note • For complete syntax and usage in formation for t he commands used in this c[...]

13-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Config uring EtherChannels Understanding How Ethe rChannels Work EtherChannel Feature Overview An EtherChannel b undles indi vidual Ethernet links into a single logi cal link that pro vides the aggreg ate bandwidth o f up to eight physi[...]

13-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Configuring EtherChannels Understanding How EtherCh annels Work Understanding Manual EtherCh annel Configuration Manually conf igured EtherChannel ports do not e xch ange EtherChannel prot ocol packets. A manually confi gured EtherChanne[...]

13-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Config uring EtherChannels Understanding How Ethe rChannels Work The protocol learn s the capabilities of LAN port groups dynamical ly and informs the other LAN ports. Once LA CP identifies correctly matched Ethernet l i nks, it facilit[...]

13-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Configuring EtherChannels EtherChannel Feature Configura tion Guidelines and Restrictions Understanding Port Channel Interfaces Each EtherChannel has a numbered po rt channel interf ace. Release 12.1 (5)E and later releases support a max[...]

13-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Config uring EtherChannels Configuring EtherCh annels • Enable all LAN ports in an EtherChann el. If you sh ut do wn a LAN port in an EtherChannel, it is treated as a link f ailure and its traf fic is transferred to one of t he remain[...]

13-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Configuring EtherChannels Configuring EtherChannels Configuring Port Channel Logical Interfaces for Layer 3 EtherChannels Note • When confi guring Layer 2 EtherChannels, you canno t put Layer 2 LAN ports into manually created port chan[...]

13-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Config uring EtherChannels Configuring EtherCh annels Configuring Channel Groups Note • When config uring Layer 3 EtherChannels, you must man ually create the port channel logical interface f irst (see the “Configuring Port Channel [...]

13-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Configuring EtherChannels Configuring EtherChannels Note See the “Configuring a Range of Interfaces” section on page 6-4 for information about the ra nge keyword. This exampl e shows ho w to verify the conf iguration of port channel [...]

13-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Config uring EtherChannels Configuring EtherCh annels This example sh ows ho w to verify the conf iguration of port channel interface 2 after the LAN ports ha ve been configured: Router# show etherchannel 12 port-channel Port-channels [...]

13-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Configuring EtherChannels Configuring EtherChannels Configuring EtherChannel Load Balancing T o conf igure EtherChannel load balancing, perform this task: The load-balanci ng ke ywords indicate th e follo wing information: • W ith a P[...]

13-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 13 Config uring EtherChannels Configuring EtherCh annels[...]

CH A P T E R 14-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 14 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling W ith Release 12.1(13)E and later, the Catalyst 6500 series switches support IEEE 802.1Q tunneling and Layer 2 protocol tunneling. This chapte r describes ho w to conf[...]

14-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEE E 802.1Q Tunneling and Layer 2 Protocol T unneling Understanding How 802.1Q Tunn eling Works The customer switches are trunk connected, but with 802.1Q tunneling, t he se rvice provider switches only use one service pro [...]

14-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling Understanding How 802. 1Q Tunneling Works Figur e 14-2 Untagg ed, 802.1Q-T agg e d, and Double-T agged Ether net Fr am es When a tunnel port recei ves tagged customer traf [...]

14-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEE E 802.1Q Tunneling and Layer 2 Protocol T unneling 802.1Q Tunneling Configuration Guideline s and Restrictio ns 802.1Q Tunneling Configuration Guidelines and Restrictions Follo w these guidelines and restrictions wh en c[...]

14-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling Configuring 802.1Q Tunneling • T runks require no special conf iguration to carry tunnel VLANs. • W e recommend that you use ISL trunks to carry tu nnel traff ic betwee[...]

14-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEE E 802.1Q Tunneling and Layer 2 Protocol T unneling Configuring 802.1Q Tunneling Preconfiguration Tasks Before you can conf igure Layer 2 protocol tunneling, you must perform th ese tasks: Step 1 On all the service provid[...]

14-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling Understanding How Layer 2 Protoc ol Tunneling Works This example shows ho w to configure tunneling on port 4/1 and verify the configuration: Router# configure terminal Rout[...]

14-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEE E 802.1Q Tunneling and Layer 2 Protocol T unneling Configuring Supp ort for Layer 2 Protoc ol Tunneling topology on switches 1, 2, and 3 without considering con ver gence parameters based on switches 4 and 5. T o provide[...]

14-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling Configuring Support for La yer 2 Protocol Tunneling T o conf igure Layer 2 proto col tunneling on a p ort, perform this task: When you conf igure a Layer 2 port as a Layer [...]

14-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 14 Configuring IEE E 802.1Q Tunneling and Layer 2 Protocol T unneling Configuring Supp ort for Layer 2 Protoc ol Tunneling This exampl e show s how to conf igure Layer 2 protocol t unneling and shutdo wn thresholds on port 5/1 for CDP , S[...]

CH A P T E R 15-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 15 Configuring STP and IEEE 802.1s MST This chapter describes ho w to configure the Spanning T ree Protocol (STP) and the IEEE 802.1s Multiple Spanning T ree (MST) protocol on Catalyst 6500 series switches. Note For complete syntax and[...]

15-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How ST P Works Understanding How STP Works These sections describe ho w STP works: • STP Overview , page 15-2 • Understanding the Bridge ID, page 15-3 • Understanding Bridge Protoc[...]

15-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How STP Works Understanding the Bridge ID Each VLAN on each netwo rk de vice has a unique 64-bit bridge ID consi sting of a bridge priority v alue, an extended system ID, and an STP MA C[...]

15-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How ST P Works If you ha ve a n etwork de vice in your network wi th MA C address reduction enabled, you should also enable MA C address reduction on all other Layer- 2 co nnected networ[...]

15-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How STP Works The STP root bridge is the l ogical center of the spanning tree topology i n a Layer 2 network. All path s that are not needed to reach the root brid ge from anywhere in th[...]

15-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How ST P Works For e xample, assume that one port on Switch B is a fiber -optic link, and another port on Switch B (an unshielded twisted-pair [UTP] link ) is the root port. Netw ork tra[...]

15-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How STP Works Figure 15-2 S TP Lay er 2 LAN Interf ace States When you enable STP , e very port in the Catalyst 6500 series switch, VLAN, and networ k goes through the blocking state and[...]

15-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How ST P Works Blocking State A Layer 2 LAN port in the blocking state does no t participate in frame forwarding, as sho wn in Figure 15-3 . Aft er initialization, a BPDU is sent out to [...]

15-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How STP Works Listening State The listening state is the first tran sitional state a Layer 2 LAN port ente rs after the blocking state. The Layer 2 LAN port enters this state when STP de[...]

15-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How ST P Works Learning State A Layer 2 LAN port in the lear ning state prep ares to partic ipate in fram e forwardi ng. The Layer 2 LAN port enters the learning st ate from the listeni[...]

15-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How STP Works Forwarding State A Layer 2 LAN port in the forwarding state forwards frames, as sho wn in Figure 15-6 . The Layer 2 LAN port enters the forwarding st ate from the learning[...]

15-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How ST P Works Disabled State A Layer 2 LAN po rt in the disabled sta te does not partic ipate in frame forwarding o r STP , as shown in Figure 15-7 . A Layer 2 LA N port in the disable[...]

15-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How IEEE 802.1w RSTP Work s Understanding How IEEE 802.1w RSTP Works Note In Cisco IOS release 12.1(11)EX and later re leases, RS TP is implemented as part of Multiple Spann ing T ree P[...]

15-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How IEEE 802.1s MST Works • Backup —A backup for th e path provid ed by a designated port tow ard the leav es of the spanning tree. Backup ports can exist only where two ports are c[...]

15-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How IE EE 802.1s MST Works These sections describe Multiple Spanning Tree (MST): • IEEE 802.1s MST Overvie w , page 15-15 • MST -to-PVST Interoperabilit y , page 15-16 • Common Sp[...]

15-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How IEEE 802.1s MST Works • MST establishes and maintains addition al spanning trees within each MST re gion. These spanning trees are referred to as MST instances (MSTIs ). The IST i[...]

15-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How IE EE 802.1s MST Works An MST regi on appears as an SST or pseudobridge t o STP running in the SST regi on. Pseudobridges operate as follows: • The same values for root identif ie[...]

15-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How IEEE 802.1s MST Works When you connect a PVST+ switch to two dif ferent MST regions, the topology change from the PVST+ switch does not pass be yond the f i rst MST re gion. In this[...]

15-19 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Understanding How IE EE 802.1s MST Works MST Regions These sections describe MST re gions: • MST Region Overview , page 15-19 • Boundary Ports, page 15-19 • IST Master , page 15-19 • Edge Por[...]

15-20 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Understanding How IEEE 802.1s MST Works If two or mor e bridges at the boun dary of a reg ion hav e an identical path to the r oot, you can set a sligh tly lo wer bridge priority to mak e a specific [...]

15-21 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Default STP Co nfiguration Default STP Configuration T able 15-5 sho ws the default STP con figur ation. STP and MST Configuration Guidelines Follo w these guidelines wh en configuring MST : • Do n[...]

15-22 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring STP • Ensure that trunks carry all of the VLANs mapped to an instance or do not carry any VLANs at all for this instance. • Do not connect switche s with access links because access l[...]

15-23 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring STP Enabling STP Note STP is enabled by def ault on VLAN 1 and on al l new ly created VLANs. Y ou can enab le STP on a per -VLAN basis. The Cataly st 6500 series switch maintains a separa[...]

15-24 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring STP This exampl e shows ho w to verify the conf iguration: Router# show spanning-tree vlan 200 VLAN0200 Spanning tree enabled protocol ieee Root ID Priority 32768 Address 00d0.00b8.14c8 T[...]

15-25 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring STP This e xample sho ws how to en able the e xtended syste m ID: Router# configure terminal Router(config)# spanning-tree extend system-id Router(config)# end Router# This exampl e shows[...]

15-26 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring STP Use the diameter keyw ord to specify the Layer 2 netw ork diameter (that is, the maximum n umber of bridge hops between an y two end stations in the Layer 2 netw ork). When you specif[...]

15-27 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring STP T o configure a Catalyst 6500 series switch as the secondar y root bridge, perform this task: This exampl e shows ho w to conf igure the Catalyst 6500 series switch as the secondary r[...]

15-28 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring STP This example shows ho w to configure the STP port priority of Fast Ethernet port 4/ 4: Router# configure terminal Router(config)# interface fastethernet 4/4 Router(config-if)# spannin[...]

15-29 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring STP Y ou also can display span ning tree informat ion for VLAN 200 using t he follo wing command: Router# show spanning-tree vlan 200 interface fastEthernet 4/4 Interface Role Sts Cost Pr[...]

15-30 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring STP VLAN0006 Back BLK 1000 160.196 P2p VLAN0007 Back BLK 1000 160.196 P2p VLAN0008 Back BLK 1000 160.196 P2p VLAN0009 Back BLK 1000 160.196 P2p VLAN0010 Back BLK 1000 160.196 P2p Router# [...]

15-31 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring STP T o conf igure the STP bridge priority of a VLAN when the e xtended system ID is disabled, perform this task: T o confi gure the STP bridge priority of a VLAN when the extended system[...]

15-32 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring STP Configuring the Hello Time Note Be careful when using this command. F or most situations, we reco mmend that you use the spanning-tr ee vlan vlan_ID root primary and spanning-tree vla[...]

15-33 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring STP This exampl e show s how to configu re the forward delay ti me for VLAN 200 to 21 seconds: Router# configure terminal Router(config)# spanning-tree vlan 200 forward-time 21 Router(con[...]

15-34 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST Specifying the Link Type Rapid conne ctivity is established only on point-to -point links. Span ning tree views a point -to-point lin k as a segment co nnecting only two s[...]

15-35 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST These examples sho w how to enable MST : Router# show spanning-tree mst configuration % Switch is not in mst mode Name [] Revision 0 Instance Vlans mapped -------- -------[...]

15-36 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST Router(config-mst)# instance 1 vlan 2000-3000 Router(config-mst)# show pending Pending MST configuration Name [cisco] Revision 2 Instance Vlans mapped -------- -----------[...]

15-37 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST Router# show spanning-tree mst ###### MST00 vlans mapped: 11-4094 Bridge address 00d0.00b8.1400 priority 32768 (32768 sysid 0) Root address 00d0.004a.3c1c priority 32768 ([...]

15-38 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST Router# show spanning-tree mst 1 detail ###### MST01 vlans mapped: 1-10 Bridge address 00d0.00b8.1400 priority 32769 (32768 sysid 1) Root this switch for MST01 FastEtherne[...]

15-39 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST Configuring MST Instance Parameters T o conf igure MST instance parameters, perform these tasks: This example sho ws how to conf igure MST instance parame ters: Router(con[...]

15-40 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST Configuring MST Instance Port Parameters T o conf igure MST instance port parameters, perform these t asks: This example sh ows ho w to configure MST i nstance port parame[...]

15-41 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Config uring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST T o restart the protocol migration pr ocess (force th e reneg otiation with neighboring switches) on the entire switch, you can use the clear spanning-tree detected-pr oto[...]

15-42 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 15 Configuring STP and IEEE 802.1s MST Configuring IEEE 802.1s MST[...]

CH A P T E R 16-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 16 Configuring Optional STP Features This chapter describe s how to configure optional STP features. Note For complete syntax and usage in formation for the co mmands used in this chap ter , refer to the Catalyst 6500 Series Switc h Ci[...]

16-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Understanding How Po rtFast Works Understanding How PortFast Works STP PortFast causes a Layer 2 LAN interface configured as an access port to enter the forw arding state immediately , bypassing the lis[...]

16-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Understanding How Uplin kFast Works When you enable PortFast BPDU f iltering globally and set the p ort conf iguration as the defa ult for PortFast BPDU f iltering (see the “Enabling PortF ast BPDU Fil[...]

16-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Understanding How Ba ckboneFast Works If Switch C detect s a link failur e on the currently acti ve link L2 on the root port (a dir ect li nk failure), UplinkF ast unblocks the blocke d port on Switch C[...]

16-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Understanding How BackboneFast Works Figure 16-3 Bac kboneF ast Example Before Indirect Link F a ilure If link L1 fa ils, Switch C cannot detect thi s failure because it is not co nnected directly to lin[...]

16-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Understanding How Ethe rChannel Guard Works Figur e 16-5 Adding a Netw or k D evi ce in a Sh ared-Medium T opology Understanding How EtherChannel Guard Works EtherChann el guard detect s a misconfigured[...]

16-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Understanding How Loop Guard Works If you enable loop guard on a channel and the first link be comes unidirectional, loop gu ard blocks the entire channel until the af fected po rt is removed from the c [...]

16-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling PortFast – If a channel is block ed by loo p guard and the channel breaks, spanning tree loses all the state information. The i ndi vidual physical por ts may obtain the forw arding state wit[...]

16-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling PortFast T o enable the defa ult PortFast configu ration, perform this task: This exampl e show s how to en able the defaul t PortFast co nfigu ration: Router# configure terminal Enter configura[...]

16-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling PortFast BPDU Filtering Router# show spanning-tree interface fastEthernet 4/4 detail Port 196 (FastEthernet4/4) of VLAN0010 is forwarding Port path cost 1000, Port priority 160, Port Identifie[...]

16-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling BPDU Guard T o enable PortF ast BPDU fi ltering on a nontrun king port, perform thi s task: This exampl e show s how to enable PortFa st BPDU filteri ng on a nontrunking po rt: Router(config)# [...]

16-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling UplinkFast This exampl e shows ho w to verify the conf iguration: Router# show spanning-tree summary totals default Root bridge for:VLAN0010 EtherChannel misconfiguration guard is enabled Exte[...]

16-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling BackboneFast This example sho ws how to v eri fy that UplinkFast is enabled: Router# show spanning-tree uplinkfast UplinkFast is enabled Router# Enabling BackboneFast Note BackboneFast operates[...]

16-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling EtherChan nel Guard Enabling EtherChannel Guard T o enable EtherChannel guard, perform this t ask: This exampl e show s how to enable EtherChannel guard: Router# configure terminal Router(conf[...]

16-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling Loop Guard Enabling Loop Guard Use the set spanning-tree guard command to en able or disable the spanning tree loop gu ard feature on a per-por t basis. T o enable loop guard globally on the sw[...]

16-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 16 Configuring Optional STP Features Enabling Loop Guard This exampl e shows ho w to verify the conf iguration: Router# show spanning-tree interface fastEthernet 4/4 detail Port 196 (FastEthernet4/4) of VLAN0010 is forwarding Port path co[...]

CH A P T E R 17-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 17 Configuring IP Unicast Layer 3 Switching on Supervisor Engine 2 This chapter describes ho w to config ure IP unicast Layer 3 switching for Polic y Feature Card 2 (PFC2), Distribu ted Forward ing Cards (DFCs), and Multilayer Switch F[...]

17-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 17 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 2 Understanding Ho w Layer 3 Switching W orks Understanding Hardware Layer 3 Switching on PFC2 and DFCs Hardware Layer 3 swit ching allo ws the PFC2 and DFCs , instead of t[...]

17-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 17 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 2 Understanding How Laye r 3 Switching Works A recei ved IP uni cast packet is formatted (con ceptually) as follo ws: After the switc h re writes an IP unic ast pack et , it [...]

17-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 17 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 2 Default Hardware Layer 3 Switching Configur ation Default Hardware Layer 3 Switching Configuration T able 17-1 sho w s the default hardware Laye r 3 switching configurati[...]

17-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 17 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 2 Configuring Hardware Layer 3 Switching Configuring Hardware Layer 3 Switching Note For information on config uring unicast routing on the MSFC2, see Ch apter 12, “Conf ig[...]

17-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 17 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 2 Displayi ng Hardwar e Laye r 3 Switching Statistics Displaying Hardware Layer 3 Switching Statistics Hardware Layer 3 swit ching statistics are obtained on a per-VLAN bas[...]

CH A P T E R 18-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 18 Configuring IP Multicast Layer 3 Switching This chapter descri bes how to configure IP multicast Layer 3 sw itching on th e Catalyst 6500 series switches. Note For more inf ormation on the syntax and u sage for the commands used in [...]

18-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Understanding How IP Multicas t Layer 3 Switching Works IP Multicast Layer 3 Switching Overview Polic y Feature Card 2 (PFC2) pro vides Layer 3 switching f or IP multicast flo ws using the har[...]

18-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Understanding How IP Multica st Layer 3 Switching Works The Layer 3 switc hing cache contains flow informatio n for all activ e Layer 3-switched flows. After the switching cache is popul ated, [...]

18-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Understanding How IP Multicas t Layer 3 Switching Works The PFC rewrites the packet as follo ws: • Changes the source MA C address in the Layer 2 frame header from the MA C ad dress of the h[...]

18-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Understanding How IP Multica st Layer 3 Switching Works Partially Switched Flows with PFC2 In PFC2 systems, (*,G) flo ws will be partially switched on the last-ho p l ea f ro u te r if t h e sh[...]

18-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Understanding How IP Multicas t Layer 3 Switching Works Figur e 18 -1 Redundant Multicast Router Confi guration in a Stub N etwor k Filtering of RPF Failures for Stub Networks PFC1, PFC2, and [...]

18-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Default IP Multicast Laye r 3 Switching Configuration NetFlow-Based Rate Limiting of RPF Failures W ith NetFlow-b ased rate limiting of RPF f ailures, a NetFlow entry i s created for each non-R[...]

18-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching IP Multicast Layer 3 Switc hing Configuration Guidelines and Restrictions IP Multicast Layer 3 Switching Configuration Guidelines and Restrictions These sections describe IP Multicast Laye r 3[...]

18-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Configuring IP Multicast Layer 3 Switching • If the SPT bit for the flow is cleared when runn ing PIM sparse mode for the int erface or group. • For packets that require fragmentation and p[...]

18-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Configuring IP Multic ast Layer 3 Switching Source Specific Multicast with IGMPv3, IGMP v3lite, and URD For complete in formation and procedur es about sour ce specif ic multicast with IGMPv3[...]

18-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Configuring IP Multicast Layer 3 Switching This e xample sho ws how to en able PIM sparse mode on an interface: Router(config-if)# ip pim sparse-mode Router(config-if)# Enabling IP Multicast L[...]

18-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Configuring IP Multic ast Layer 3 Switching This example sh ows ho w to configu re the Layer 3 switching threshold to 10 pack ets per second: Router(config)# mls ip multicast threshold 10 Rou[...]

18-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Configuring IP Multicast Layer 3 Switching This exampl e shows ho w to enable NetFlo w-based rate limiting of non-RPF f ailures globally: Router(config)# mls ip multicast non-rpf netflow Route[...]

18-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Configuring IP Multic ast Layer 3 Switching This e xample sho ws how to en able the hardw are shortcut- consistenc y checker: Router (config)# mls ip multicast consistency-check Router (confi[...]

18-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Configuring IP Multicast Layer 3 Switching T o display IP multicast Layer 3 switching infor mation for an IP PIM Layer 3 interface, perf orm one of these tasks: These examples sho w how to dis[...]

18-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Configuring IP Multic ast Layer 3 Switching IP fast switching is enabled IP fast switching on the same interface is disabled IP Flow switching is disabled IP CEF switching is enabled IP Fast [...]

18-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Configuring IP Multicast Layer 3 Switching Outgoing interface list: GigabitEthernet4/9, Forward/Sparse-Dense, 00:14:31/00:00:00, H (132.206.72.28, 224.2.136.89), 00:14:31/00:01:40, flags:CJT I[...]

18-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Configuring IP Multic ast Layer 3 Switching (10.1.0.19, 224.2.2.19) Incoming interface: Vlan10, Packets switched: 1970 Hardware switched outgoing interfaces: MFD installed: Vlan10 (10.1.0.11,[...]

18-19 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Configuri ng IP Multicast Layer 3 Switching Configuring IP Multicast Layer 3 Switching Clearing IP Multicast Layer 3 Switching Statistics T o clear IP multicast Layer 3 switchi ng statistics, perform t his task: This exampl e show s how[...]

18-20 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 18 Config uring IP Multicast Layer 3 Switching Configuring IP Multic ast Layer 3 Switching[...]

CH A P T E R 19-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 19 Configuring IP Unicast Layer 3 Switching on Supervisor Engine 1 Note The features des cribed in this chap ter are support ed only on Supervisor En gine 1, the pol icy feature card (PFC), and the Multilayer Switch Feature Card (MSFC [...]

19-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 1 Understanding How IP MLS Works Understanding How IP MLS Works These sections provi de an ov ervie w of IP MLS and describe ho w IP MLS works: • IP MLS Overvie w , page [...]

19-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 1 Understanding How IP MLS Works Layer 3 MLS Cache The PFC maintains a Layer 3 switchi ng table (the Layer 3 MLS cache) for Layer 3-switched flo ws. The cache also in cludes [...]

19-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 1 Understanding How IP MLS Works • Security A CLs—Does not affect flo w mask. • Reflexi ve A CLs—Does not affect flo w mask. • TCP inte rcept—D oes no t affect [...]

19-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 1 Understanding How IP MLS Works After the PFC performs the pack et re write, the packet is formatted (c onceptually) as follows: IP MLS Operation Figure 19-1 sh ows a si mpl[...]

19-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 1 Default IP MLS Configuration Default IP MLS Configuration T able 19-1 sho ws the default IP MLS conf iguration. IP MLS Configuration Guidelines and Restrictions Follo w t[...]

19-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 1 Configuring IP MLS Disabling and Enabling IP MLS on a Layer 3 Interface IP MLS is permanently enabled glo bally but can be disabled and enabled on a specified interface. T [...]

19-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 1 Configuring IP MLS IP Flow switching is disabled IP CEF switching is enabled IP Fast switching turbo vector IP Normal CEF switching turbo vector IP multicast fast switchi[...]

19-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 1 Displaying IP MLS Cache Entrie s T o display the IP MLS flo w mask configuration, perfor m this task: This exampl e shows ho w to display the MLS flo w mask conf iguration:[...]

19-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 1 Displaying IP MLS Cache Ent ries This exampl e shows ho w to display IP MLS information: Router# show mls ip DstIP SrcIP DstVlan-DstMAC Pkts Bytes ----------------------[...]

19-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 1 Clearing IP MLS Cache Entries This exampl e show s how to disp lay MLS en tries for a specific source IP address: Router# show mls ip source 172.20.52.122 any DstIP SrcIP [...]

19-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 1 Clearing IP MLS Cache Entries • slot —Clears only the entries associated with a sp ecific slot nu mber . The flow ke yword spec ifies the following addition al flow [...]

19-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switching on Supe rvisor Engine 1 Clearing IP MLS Cache Entries T o sho w the MLS contention t able and VLAN statistics, per form this task: This exampl e shows ho w to display the MLS contention table: Ro[...]

19-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 19 Configuring IP Unicast Layer 3 Switch ing on Supervisor Eng ine 1 Troubleshooting IP MLS Vlan 1 Statistics Information: ------------------------------- 65280 Layer 2 Packets Bridged, 0 Bytes 65280 Layer 3 Packets Input, 0 Bytes 65280 L[...]

CH A P T E R 20-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 20 Configuring IPX Unicast Layer 3 Switching on Supervisor Engine 1 Note The features described in this chapter are supporte d o nly on Supervisor En gine 1, PFC, and MSFC o r MSFC2. For in formation about Sup ervisor Engine 2, PFC2, a[...]

20-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicas t Layer 3 Switch ing on Supervisor Eng ine 1 Understanding How IPX MLS Wo rks Understanding How IPX MLS Works These sections provide an ov e rvie w of MLS and describe how MLS works: • IPX MLS Overvie w , page 2[...]

20-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicast Layer 3 Switching o n Supervisor Engine 1 Understanding How IPX ML S Works The state and identity of the flow are maintained while packet traf fic is acti ve; when traff ic for a flow ceases, the entry ages out. Y[...]

20-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicas t Layer 3 Switch ing on Supervisor Eng ine 1 Understanding How IPX MLS Wo rks Receiv ed IPX packets are formatted (conceptually) as follows: The PFC rewrites the Layer 2 fra me header , changing the destination MA[...]

20-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicast Layer 3 Switching o n Supervisor Engine 1 Default IP X MLS Config uration Figure 20-1 IPX ML S Example T opology Default IPX MLS Configuration T able 20-1 di splays the default I PX MLS conf iguration. Configurati[...]

20-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicas t Layer 3 Switch ing on Supervisor Eng ine 1 Configuring IPX MLS – The no ipx rou ting command purges all IPX MLS cache entries and disables IPX MLS. – The ipx security interface command disables IPX MLS on th[...]

20-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicast Layer 3 Switching o n Supervisor Engine 1 Configuring IPX MLS T o display the IPX MLS interf ace conf iguration, perform this task: This example sh ows ho w to display interface IPX MLS information fo r interface [...]

20-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicas t Layer 3 Switch ing on Supervisor Eng ine 1 Displaying IPX MLS Infor mation Configuring the Minimum IPX MLS Flow Mask Y ou can configure the minimum gran ularity of the flo w mask for th e MLS cache on the PFC. T[...]

20-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicast Layer 3 Switching o n Supervisor Engine 1 Displaying IPX MLS Information Displaying IPX MLS Cache Entries The show mls ipx command displa ys IPX shortcut ca che entries. Y ou can specify the following parameters t[...]

20-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicas t Layer 3 Switch ing on Supervisor Eng ine 1 Displaying IPX MLS Infor mation Displaying IPX MLS Cache Entries fo r a Specific Destination Address T o display IPX MLS cache entries for a spec ific destination IPX [...]

20-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicast Layer 3 Switching o n Supervisor Engine 1 Displaying IPX MLS Information Displaying IPX MLS Cache Entries for a Specific Interface T o display IPX MLS entries for a speci fic interf ace, perform this task: This e[...]

20-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicas t Layer 3 Switch ing on Supervisor Eng ine 1 Displaying IPX MLS Infor mation T o sho w the MLS contention table and VL AN stat istics for the swit ch, perform this task: This exampl e displays the IPX MLS co nten[...]

20-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicast Layer 3 Switching o n Supervisor Engine 1 Clearing IPX MLS Cache Entries Vlan 1 Statistics Information: ------------------------------- 65280 Layer 2 Packets Bridged, 0 Bytes 65280 Layer 3 Packets Input, 0 Bytes [...]

20-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 20 Configuring IPX Unicas t Layer 3 Switch ing on Supervisor Eng ine 1 Troubleshooting IPX MLS Troubleshooting IPX MLS T able 20-2 describes deb ug commands that you can use to troubleshoot IPX MLS problems. T o configure the deb ug comma[...]

CH A P T E R 21-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 21 Configuring IGMP Snooping This chapter describes ho w to configure Internet Group Management Protocol (IGMP) snooping on th e Catalyst 6500 series switches. Note For complete syntax and usage in formation for the co mmands used in t[...]

21-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configu ring IGMP Snoop ing Understanding How IGMP Snoop ing Works IGMP Snooping Overview Y ou can confi gure the switch to use IGMP snooping in subnets that receiv e IG MP queries from either IGMP or the IGMP snoopin g querier . IGMP s[...]

21-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configuring IGMP Sn ooping Understanding How IGMP Sno oping Works Figur e 21 -1 Initial IGMP Join Messag e Multicast router A sends a ge neral query to the switch, which forw ards the query to ports 2 through 5, all members of the same V[...]

21-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configu ring IGMP Snoop ing Understanding How IGMP Snoop ing Works Figur e 21 -2 Second Host Joining a Multicast Gr oup Leaving a Multicast Group These sections describe lea ving a multicast group: • Normal Leav e Processing, page 21-[...]

21-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configuring IGMP Sn ooping Understanding How IGMP Sno oping Works response to the general query , it removes the gro up entry and relays t he IGMP leav e to the multicast router . If the multicast router rece i ves no reports from a VLAN[...]

21-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configu ring IGMP Snoop ing Default IGMP Snooping Configuration Understanding IGMP Version 3 Support W ith Release 12.1(8a)E and later releases, IGMP s nooping supp orts IGMP version 3. Because the Layer 2 table is (MA C-group, VLAN) ba[...]

21-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configuring IGMP Sn ooping Enabling the IGMP Snoo ping Querier Periodically , the IGMP querier sends IGMP quer ies that trigger IGMP report messages from the switch that wants to recei v e IP multicast tra f fic. IGMP snooping listens to[...]

21-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configu ring IGMP Snoop ing Configuring IGMP Snooping This exampl e show s how to enable the IGMP snoopin g querier on VLAN 200 and v erify the configuration: Router# interface vlan 200 Router(config-if)# igmp snooping querier Router(co[...]

21-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configuring IGMP Sn ooping Configuring IGMP Snooping Enabling IGMP Snooping T o enable IGMP snooping globall y , perform this task: This exampl e show s how to enable IGMP snooping glo bally and verify t he conf iguration: Router(config)[...]

21-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configu ring IGMP Snoop ing Configuring IGMP Snooping Configuring IGMP Snooping Learning T o conf igure IGMP snooping learnin g, perform this task: This exampl e show s how to conf igure IP IGMP snooping to learn from PIM/D V MRP packe[...]

21-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configuring IGMP Sn ooping Configuring IGMP Snooping Configuring the IGMP Query Interval Y ou can configure the interval fo r which the switch waits a fter sending a group-spec ific query to determin e if hosts are st ill inter e sted i[...]

21-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configu ring IGMP Snoop ing Configuring IGMP Snooping Configuring a Host Statically Hosts normally join multicast groups dynamically , but you can also co nfigure a h ost statically for a Layer 2 LAN port. T o conf igure a host statica[...]

21-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configuring IGMP Sn ooping Configuring IGMP Snooping This example sh ows ho w to display the multicast router interf aces in VLAN 1: Router# show ip igmp snooping mrouter interface vlan 1 vlan ports -----+-------------------------------[...]

21-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 21 Configu ring IGMP Snoop ing Configuring IGMP Snooping Multicast TTL threshold is 0 Multicast designated router (DR) is 172.20.52.94 (this system) IGMP querying router is 172.20.52.94 (this system) No multicast groups joined IGMP snoopi[...]

CH A P T E R 22-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 22 Configuring RGMP This chapter descri bes how to configure Router-P ort Group Management Pr otocol (RGMP). Release 12.1(3a)E3 and later releases support RGMP . This chapter consists of these sections: • Understanding Ho w RGMP W or[...]

22-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 22 Co nfiguring RGMP Default RGMP Configuration T able 22-1 pro vides a summary of the RGMP packet types. Default RGMP Configuration RGMP is permanently enabled on Layer 2 LAN po rt s. RGMP is disabled by default on Layer 3 interfaces. RGM[...]

22-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 22 Configuring RGMP Enabling RGMP on Layer 3 Interface s • The followi ng properties of RGMP are the same as for IGMP snoop ing: – RGMP constrains traf fic based on the m ulticast group, not on t he sender’ s IP address. – If spanni[...]

22-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 22 Co nfiguring RGMP Enabling RGMP on Layer 3 Interfaces[...]

CH A P T E R 23-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 23 Configuring Network Security This chapter contains net work security inf ormation unique to the Catalyst 650 0 series switches, which supplements the network security information and pro cedures in these publications: • Cisco IOS [...]

23-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Hardware and Software ACL Support Wi t h t h e ip unreachables command enabled (whi ch is the default), a Supervisor Engi ne 2 drops most of the denied packets in hardware and sends only a small number of p[...]

23-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Guidelines and Restrictio ns for Using Layer 4 Operators in ACLs • Flows that require l ogging are processed in softw are without impacting nonl ogged flo w processing in hardware. • The forwarding rate [...]

23-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Guidelines and Restrictions for Using Layer 4 Operators in ACLs Determining Logical Operation Unit Usage Logical operation units (LOUs) are registers that st ore operator-operand cou ples. All A CLs use LOU[...]

23-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring the Cisco IO S Firewall Feature Se t Configuring the Cisco IOS Firewall Feature Set Note Release 12.1(11b)E and later releases include fire wall feature set images. These sections describe conf i[...]

23-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring the Cisco IOS Firewall Feature Set • Security server support • Network address translation • Neighbor router au thentication • Event logging • User authentication and authorization Not[...]

23-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring the Cisco IO S Firewall Feature Se t Configuring CBAC on Catalyst 6500 Series Switches Y ou need to do additional CB AC conf iguration on the Catalyst 6500 series swit ches. On a network device o[...]

23-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring MAC Address-Based Traffic Blocking Configuring MAC Address-Based Traffic Blocking W ith 12.1(13)E and later releases, to block al l traf fic to or from a MA C addr ess in a specified VLAN, perfo[...]

23-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs When you conf igure a V A CL and apply it to a VLAN , all packets entering th e VLAN are checked against this V ACL. If you apply a V A CL to the VLAN and an ACL to a routed interf ace [...]

23-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring VLAN ACLs Routed Packets Figure 23-2 sh ows ho w A CLs are applied on routed and Layer 3-switched packet s. For routed or Layer 3-switch ed packet s, the A CLs are applied in the following orde[...]

23-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs Multicast Packets Figure 23-3 sho ws how A CLs are applied on packets that need multicast ex pansion. For packets th at need multicast e xpansion, the A CLs are applied in the follo wi[...]

23-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring VLAN ACLs • VLAN Access Map Config uration and V erif ication Examples, page 23-15 • Configuri ng a Capture Port, page 23-16 VACL Configuration Overview V ACLs us e standard and ext ended C[...]

23-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs When defini ng a VLAN access map, note the follo wing syntax information: • T o insert or modify an entry , specify the map sequence number . • If you do not specify t he map seque[...]

23-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring VLAN ACLs Configuring an Action Clause in a VLAN Access Map Sequence T o configure an action clause in a VLAN access map sequence, perform this task: When configuring an action clause in a VLAN[...]

23-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs When applying a VLAN access map, note the follow ing syntax information : • Y ou can apply the VL AN access map to on e or more VLANs or W AN interfaces. • The vlan_list parameter [...]

23-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring VLAN ACLs This exampl e show s how to defin e and apply a VLAN ac cess map to forward IP packets. In this e xam ple, IP traf fic mat ching net_10 is forw arded and all ot her IP pack ets are dr[...]

23-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring VLAN ACLs When config uring a capture port, note the f ollow ing syntax information: • W ith Release 12.1(13)E and later releas es, you can co nfigu re any port as a capture por t. W ith earli[...]

23-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring TCP Interc ept These restrictions apply to V A CL logging: • Supported only with Supervisor En gine 2. • Because of the rate-limiting func tion for redirected packets, V A CL logging cou nt[...]

23-19 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring Unicast Re verse Path Forwarding Configuring Unicast Reverse Path Forwarding These sections describe conf iguring Cisco IOS Unicast Re verse P ath Forwarding (Unicast RPF): • Understanding Uni[...]

23-20 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring Unicast Re verse Path Forwarding This e xample sho ws how to en able self-pinging : Router(config)# interface gigabitethernet 4/1 Router(config-if)# ip verify unicast source reachable-via any a[...]

23-21 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring Unicast Flood Protection This example sho ws how to enable Unicast RPF e xist- only checking mode on Gigabit Ethernet po rt 4/1: Router(config)# interface gigabitethernet 4/1 Router(config-if)# [...]

23-22 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring MAC Move Notification When config uring unicast flood protectio n, note the follo wing syntax informat ion: • Use the limit keywo rd to specify the unicast floods on a per source MA C address[...]

23-23 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Con figuring Network Security Configuring MAC Move Notification This exampl e shows ho w to enable the MA C move noti fication f eature: Router(config)# mac-address-table notification mac-move Router# show mac-address-table notification[...]

23-24 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 23 Configurin g Network Security Configuring MAC Move Notification[...]

CH A P T E R 24-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 24 Configuring Denial of Service Protection This chapter contains i nformation on ho w to protect your system against Denial o f Service (DoS) attacks. The information covered in t his chapter is unique to the Cata lyst 65 00 series sw[...]

24-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 24 Configurin g Denial of Service Prote ction Configuring DoS Pro tection Configuring DoS Protection The follo wing sections describe the dif ferent DoS protection impl ementations and gi ve config uration exa mp le s: • Supervisor Engin[...]

24-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 24 Configuring Denial of Service Protection Configuring DoS Protection When using security A CLs to drop DoS packets, not e the follo w ing information: • The security A CL must specify the traf fic flo w to be dropped. • When adding a [...]

24-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 24 Configurin g Denial of Service Prote ction Configuring DoS Pro tection QoS ACLs Unlike Security A C Ls, QoS A CLs can be used to limit the rate of traf fic without den ying access to all the traff ic in a flow . When using QoS A CLs to [...]

24-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 24 Configuring Denial of Service Protection Configuring DoS Protection Forwarding Information Base Rate-Limiting The forwarding informatio n base (FIB) rate-limiting allo ws all packets that require software processi ng to be rate limited. [...]

24-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 24 Configurin g Denial of Service Prote ction Configuring DoS Pro tection Monitoring Packet Drop Statistics Because the rate-limiting mechanism all ows a certain number of p ackets to be forw arded for software processing, you can view the[...]

24-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 24 Configuring Denial of Service Protection Configuring DoS Protection 9.9.9.177 9.9.9.1 0 :0 :0 0 : 0 Monitoring Dropped Packets Using Monit or Session Commands This example sh ows ho w to use the monitor session command to capture and for[...]

24-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 24 Configurin g Denial of Service Prote ction Configuring DoS Pro tection[...]

CH A P T E R 25-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 25 Configuring IEEE 802.1X Port-Based Authentication This chapter describes how to conf igure IEEE 802.1X port-based authenticatio n to prev ent unauthorized devices (clients) from gaining access to the networ k. Release 12.1(13)E and [...]

25-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication Understanding 802. 1X Port-Based Authentication Device Roles W ith 802.1X port-based authe nticat ion, the devices in the network hav e specific roles as sho wn in Figure 25-1 . Figure [...]

25-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring I EEE 802.1X Port-Based Authentication Understanding 802.1X Port-Ba sed Authentication Authentication Initiation and Message Exchange The switch or the client can in itiate authentication. If you en able authentication on a p[...]

25-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication Understanding 802. 1X Port-Based Authentication Ports in Authorized and Unauthorized States The switch port state determines wh ether or not the client is grante d access to the network[...]

25-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring I EEE 802.1X Port-Based Authentication Default 802.1X Port-Based Auth entication Configuration In a point-to-po int config uration (see Figure 25-1 on page 25-2 ), only one client can be connected to the 802.1X-enabled switch[...]

25-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication 802.1X Port-Based Authentication Gu idelines and Restrictions 802.1X Port-Based Authenticatio n Guidelines and Restrictions Follo w these guidelines and restrictions wh en conf iguring [...]

25-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring I EEE 802.1X Port-Based Authentication Configuring 802.1X Port-Based Auth entication Configuring 802.1X Port-Based Authentication These sections describe ho w to configure 802.1X port-based authentication: • Enabling 802.1X[...]

25-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication Configuring 802.1X Port -Based Authentication When you enable 802.1X port-b ased authentication, note the follo wing syntax information: • T o create a default list that i s used when[...]

25-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring I EEE 802.1X Port-Based Authentication Configuring 802.1X Port-Based Auth entication • Host nam e and specific UDP port numbe rs • IP address and specific UDP port numbers The combination of the IP addre ss and UDP port n[...]

25-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication Configuring 802.1X Port -Based Authentication Note Y ou also need to configur e some settings on the RADI US serv er. These settings include the IP address of the switch and the k ey s[...]

25-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring I EEE 802.1X Port-Based Authentication Configuring 802.1X Port-Based Auth entication Manually Reauthenticating the Client Connected to a Port Note Reauthen tication doe s not disturb th e st atus of an alread y auth orized p[...]

25-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication Configuring 802.1X Port -Based Authentication T o change the quiet period, perform this task: This example sh ows ho w to set the quiet time on the switch to 30 secon ds: Router(config[...]

25-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring I EEE 802.1X Port-Based Authentication Configuring 802.1X Port-Based Auth entication Setting the Switch-to-Client Retransmi ssion Time for EAP-Request Frames The client notifies the switch that it receiv ed the EAP-request f[...]

25-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication Configuring 802.1X Port -Based Authentication This example show s how to set th e switch-to-authen ticatio n-server retransm i ssion time fo r Layer 4 packets to 25 seconds: Router(con[...]

25-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring I EEE 802.1X Port-Based Authentication Displaying 802.1X Status T o allo w multiple hosts (clients) on an 802.1X-autho rized port that has the dot1x port -control interface confi guration command set to auto , perf orm this [...]

25-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 25 Configuring IE EE 802.1X Port-Based Authentication Displaying 802.1X Status[...]

CH A P T E R 26-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 26 Configuring Port Security This chapter describe s how to configure the port secu rity feature. Release 12.1 (13)E and later releases support the port security feature. Note For complete syntax and usage in formation for the co mmand[...]

26-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 26 Configuring Port Secu rity Default Port Security Configuration Note If the port shut s down, all dynamically learne d addresses are removed. After the maximum number of secure MA C addresses is conf igured, they are stor ed in an addres[...]

26-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 26 Configuring Port Security Configuring Port Security Configuring Port Security on an Interface T o restrict traf fic throug h a port by limi ting and id entifying MA C addresses of the stations allo wed to access the port, perform this ta[...]

26-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 26 Configuring Port Secu rity Configuring Port Security T o return the interf ace to the defaul t condition (not a secu re port), enter the no switchport port- security interface configuration command. T o return the interf ace to the defa[...]

26-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 26 Configuring Port Security Displaying Port Security Settings T o conf igure port security agi ng, perform this task: When config uring port security ag ing, note the follo wing: • W ith all releases, you can enter the no keyword to disa[...]

26-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 26 Configuring Port Secu rity Displaying Port Security Settings T o display traf fic control i nformation, enter one or more of these commands: This examp le displays output from the sho w port-security command when you do not enter an int[...]

CH A P T E R 27-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 27 Configuring Layer 3 Protocol Filtering on Supervisor Engine 1 Note Layer 3 protocol f iltering is supported with Sup erv isor Engine 1 . Layer 3 protocol filtering is not supported with Superv isor Engine 2. This chapter describe s [...]

27-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 27 Configuring Layer 3 Pr o tocol Filtering on Supe rvisor Engine 1 Configuring Layer 3 Protocol Filtering Y ou can confi gure a Layer 2 LAN port with any on e of these modes for each protocol grou p: on , off , or auto . If the conf igura[...]

27-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 27 Configuring Layer 3 Pr oto col Filtering on Supe rvisor Engine 1 Configuring Layer 3 Protocol Filtering This exampl e show s how to enable Layer 3 protocol f iltering globally: Router# configure terminal Router(config)# protocol-filterin[...]

27-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 27 Configuring Layer 3 Pr o tocol Filtering on Supe rvisor Engine 1 Configuring Layer 3 Protocol Filtering[...]

CH A P T E R 28-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 28 Configuring Traffic Storm Control This chapter descri bes how to configure the traf fic storm control feat ure on the Catalyst 6500 series switches. Release 12.1(12c)E1 a nd later releases suppor t traf fic stor m control. Fo r earl[...]

28-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 28 Configuring Traffic Storm Control Default Traffic Storm Control Configuration T raff ic storm control monitors the le vel of each traf fi c type for wh ich you enable traf fic st orm control in 1-second traf fic storm control in terval [...]

28-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 28 Config uring Traffic Storm Control Enabling Traffic Storm Control When config uring the traf fic storm control le vel, note the foll owing : • Y ou can configure t raff ic storm control on an EtherChannel (a port channel interf ace). ?[...]

28-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 28 Configuring Traffic Storm Control Displaying Traffic Storm Control Settings Displaying Traffic Storm Control Settings T o display traf fic storm con trol information, use th e commands described in Ta b l e 2 8 - 1 . Note The show in te[...]

CH A P T E R 29-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 29 Configuring Broadcast Suppression This chapter describe s how to configure broadcast suppression on th e Catalyst 6500 series switches. Releases earlier than Re lease 12.1(12c)E1 support br oadcast suppression. Use traf fic st orm c[...]

29-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 29 Configuring Broadcast Suppression Broadcast Supp ression Configuration Guidelines and Restri ctions Figur e 29-1 Br oadcast Suppression The broadcast suppression thr eshold numbers and th e time in terval combination make the b roadcast[...]

29-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 29 Configuring Broadcast Suppression Enabling Broadcast Sup pression Enabling Broadcast Suppression T o enable broadcast suppre ssion, perform this task: When enabling broadcast suppressi on, yo u can specify the th reshold in hundre dths o[...]

29-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 29 Configuring Broadcast Suppression Enabling Broadcast Su ppression[...]

CH A P T E R 30-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 30 Configuring CDP This chapter contains i nformation about ho w to conf igure Cisco Discov ery Protocol (CDP) on the Catalyst 6500 series switches, whi ch supplements the information in th ese publications: • The Cisco IOS Conf igur[...]

30-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 30 Configur ing CDP Configuring CDP • Displaying the CDP Interface Conf iguration, page 30-3 • Monitoring and Maintaining CDP , page 30-3 Note W ith Release 12.1(11b)E and later releases, when yo u are in conf iguration mode you can en[...]

30-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 30 Configuring CDP Configuring CDP This exampl e show s how to enable CDP on F ast Ethernet port 5/1: Router(config)# interface fastethernet 5/1 Router(config-if)# cdp enable Displaying the CDP Interface Configuration T o display the CDP co[...]

30-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 30 Configur ing CDP Configuring CDP This e xample sho ws how to cl ear CDP counter co nfigu ration: Router# clear cdp counters This exampl e show s how to display information abou t the neighboring equipment: Router# show cdp neighbors Cap[...]

CH A P T E R 31-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 31 Configuring PFC QoS This chapter describe s how to configure quality of service (QoS) as implem ented on the po licy feature card (PFC) on the Catalyst 6500 series switches. Note For complete syntax and usage info rmation for the co[...]

31-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works QoS selects networ k traf fi c (both unicast and multi cast), prioritizes it according to its relati ve importance, and u ses congestion a voi dance to provi d e priority-inde xed tre[...]

31-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works • The PFC does not provide QoS for Fle xW AN module ports. Refer to the follo wing publications for information abou t FlexW AN module QoS features: – Cisco IOS Quality of Servi c[...]

31-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works Note On LAN ports conf igured as Layer 2 ISL trunks, all traf fic is in ISL frames. On LAN ports config ured as Layer 2 802.1Q trunks, all traf fi c is in 802.1Q frames ex cept for tr[...]

31-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works T able 31 -1 IP Precedence and DSCP V alues 3-bit IP Precedence 6 MSb 1 of T oS 6-bit DSCP 3-bit IP Precedence 6 MSb 1 of T oS 6-bit DSCP 876 543 876 543 00 0 0 0 0 0 0 0 0 0 0 0 0 0 [...]

31-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works PFC QoS Feature Flowcharts Figure 31-1 sh ow ho w traf fic flo ws through the compo nents that support PFC QoS features. Figur e 31 -1 T raffic Flo w Throug h PFC QoS Feat ures with P[...]

31-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works Figure 31 -3 Ingr ess LAN Por t Layer 2 PFC QoS F eatur es 68001 Ye s F rame enters s witch P or t set to untrusted? ISL or 802.1Q? Drop thresholds Apply por t CoS No No Ye s P or t s[...]

31-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works Figure 31 -4 PFC Classificat ion, Mar king, and Policing PFC QoS Features T rust CoS T rust DSCP Egress Interface T rust IP Precedence Untrusted (Only Fr om Untrusted P or t) CoS CoS*[...]

31-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works Figur e 31 -5 Mar king with PFC2 and Multila yer S witch F eature Car d 2 Figur e 31 -6 Mar king with PFC1 and Multila yer S witch F eatur e Card 1 or 2 55845 T o egress por t IP traf[...]

31-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works Figur e 31 -7 Egress W AN P ort Mar king Figur e 31 -8 Egr ess LAN P ort Scheduling , Congesti on A voidance, and Mar king T ransmit OSM traffic 68834 IP traffic from PFC? Write T oS[...]

31-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works PFC QoS Feature Summary These sections summarize the PFC QoS fe atures: • Ingress LAN Port Features, page 31-11 • Ingress OSM Port Features, page 31-11 • PFC QoS Features, page[...]

31-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works Egress LAN Port Features PFC QoS supports e gress LAN port scheduling an d congestion a voidance u sing Layer 2 CoS v alues. Egress LAN port marking sets Layer 2 CoS va lues and Laye[...]

31-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works Marking at Untruste d Ingress LAN Ports PFC QoS marks all frames recei ved through untrusted ingress LAN ports with the ingress port CoS v alue (the default is zero ). PFC QoS does n[...]

31-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works • 1p1q0t indicates one stri ct-priority queue and one standa rd queue with no conf igurable threshold (eff ecti vely a tail-drop threshold at 100 percent). • 1p1q8t indicates one[...]

31-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works – Using standard receiv e-queue tail-drop threshol d 3, the switch drops i ncoming frames with CoS 4 when the recei ve-queue buf fer is 80 percent or more full. – Using standard [...]

31-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works Note The explanation s in this section use default v alues. Y ou can configure man y of the parameters (see the “Conf iguring PFC QoS” section on page 31-33 ). All LAN po rts of [...]

31-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works • Policers, page 31-19 • Attaching Policy Map s, page 31-21 • Egress CoS an d T oS V alue s, page 31-21 Note Filtering for PFC QoS can use Layer 2 , 3, and 4 v alu es. Marking [...]

31-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works For all e gress traff ic, PFC QoS uses a configurable ma pping table to deri ve a CoS v alue from the internal DSCP value associated with traf fic (see the “Mapping Internal D SCP [...]

31-19 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works • Untrusted—Sets the internal DSCP v a lue to a con figured DSCP value. Note W ith the default values, PFC QoS a pplies DSC P zero to traffic from ingress LAN ports config ured a[...]

31-20 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works Note Aggregate pol icing works independ ently on each DFC-equipp ed switching module and independently on the PFC2, which supports any non- DFC-equipped switching modules. Aggreg ate[...]

31-21 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works Attaching Policy Maps Y ou can configure each ingress LAN port for eith er physical port-based PFC QoS (default) or VLAN-based PFC QoS (see the “Enabling VLAN-Based PFC QoS on Laye[...]

31-22 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works • 1p3q1t indicates one strict-priority queue and three standard qu eues, each with one threshold config urable as either WRED-drop or tail-drop , and one nonconf igurable tail-drop[...]

31-23 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Understanding How PFC Qo S Works 2q2t Ports For 2q2t ports, each transmit q ueue has two tail-drop threshol ds that function as follo ws: • Frames with CoS 0, 1, 2, or 3 go to the lo w-priority transmit queue (que[...]

31-24 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Understanding How PFC Qo S Works 1p2q1t Ports 1p2q1t ports ha ve a strict-priority queue and tw o standa rd transmit q ueues. The standard transmit queu es each ha ve one WRED-dro p threshold and on e noncon figurab[...]

31-25 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S PFC QoS Default Config uration PFC QoS Default Configuration T able 31-2 sho ws the PFC QoS default conf iguration. T a ble 31 -2 PFC QoS Default Configuration Feature Default V alue PFC QoS global enable state Disa[...]

31-26 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS PFC QoS Default Configuration With PFC QoS enabled Ingress LAN port trust state Untrusted 2q2t transmit-queue size percentages • Lo w priority: 80% • High priority: 20% 1p2q2t transmit-queue size p ercentages ?[...]

31-27 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S PFC QoS Default Config uration 1p1q4t port recei ve-queue CoS value and drop-thresh old mapping and thresh old percentages Standard receiv e queue: • Threshold 1: – CoS 0 and 1 – T ail-drop: 50% • Threshold [...]

31-28 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS PFC QoS Default Configuration 1p1q8t receiv e-queue port C oS value and drop-threshold mapping Standard receiv e queue: • Threshold 1: – CoS 0 – T ail-drop: 70% – WRED-drop: 40% lo w , 70% high • Threshold[...]

31-29 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S PFC QoS Default Config uration 1p2q2t port transmit-q ueue CoS valu e and drop-thresh old mapping and thresh old percentages Standard transmit queue 1 (lo w priority): • Threshold 1: – CoS 0 and 1 – WRED-drop:[...]

31-30 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS PFC QoS Default Configuration 1p3q1t transmit-queue CoS v alue and drop-threshold mapping Standard transmit queue 1 (lo w priority): • Threshold 1: – CoS 0 and 1 – T ail drop (disabled ): 100% – WRED-drop (e[...]

31-31 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S PFC QoS Configur ation Guidelin es and Restrictio ns PFC QoS Configuration Guidelines and Restrictions Follo w these guidelines and restrictions when conf iguring PFC QoS: Guidelines: • W ith an MSFC2, Release 12.[...]

31-32 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS PFC QoS Configuration Guid elines and Restrictions W ithin each ra nge, PFC Qo S programs the PFC hardware with ra te values that are multiples of the granulari ty v alues. • PFC QoS has the follo wing hardware gr[...]

31-33 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS – output service-policy k eyword – class class_name destination- address , class class_name input-interface , class class_name proto col , class class_name qos-gr oup , or class class_name so[...]

31-34 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS This exampl e shows ho w to enable PFC QoS globally: Router# configure terminal Router(config)# mls qos Router(config)# end Router# This exampl e shows ho w to verify the conf iguration: Router# [...]

31-35 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Creating Named Aggregate Policers T o create a named aggregate policer (see the “Policers” sect ion on page 31-19 ), perform this task: Note W ith PFC2, aggregate policers can be applied t o [...]

31-36 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS The maximum_b urst_bytes parameter is suppor ted with PFC2. The maximum_b urst_bytes parameter is not sup ported wi th PFC, but can be ente red with a value equa l to the normal_burst_bytes param[...]

31-37 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS – Enter the policed-dscp-transmit ke yword to cause all matched out-of-p rofile tr af fic to be marked do wn as specified in the markdo wn map (see the “Configuring DSCP Mar kdo wn V alues”[...]

31-38 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS These commands configure traf fic classe s and the polic ies to be app lied to those traff ic classes and attach the policies to ports: • access-list (Optional for IP traf fic. Y o u can filter[...]

31-39 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Configuring MAC-Layer Nam ed Access Lists (Optional) In Release 12.1(1)E and later releases, you can configure named access lists that filter DECnet, AppleT alk, VINES, or XNS tra f fic based on [...]

31-40 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS • 0x6005—diagnostic—DEC DE Cnet Diagnostics • 0x6007—lavc-sca— DEC Local-Area V AX Cluster (LA VC), SCA • 0x6008—amber—DEC AMBER • 0x6009—mumps—DEC MUMPS • 0x8038—dec-[...]

31-41 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS T o configure f iltering in a class ma p, perform one of these tasks: Note • W ith an MSFC2, Release 12.1(13)E and later releases support the match pr otocol class map command, which conf igure[...]

31-42 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS This example sho ws how to create a class map named ipp5 and how to configure f iltering t o match tra f fic with IP precedence 5: Router# configure terminal Enter configuration commands, one per[...]

31-43 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Creating a Policy Map Class and Configuring Fi ltering Note • W ith an MSFC2, Release 12.1(13) E and later releases support the class class_name pr otocol policy map command, which conf igures [...]

31-44 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS Configuring Policy Map Class Actions When config uring polic y map class actions, note the f ollo wing: • For hardware-switched tr aff ic, PFC Qo S does not supp ort the bandwidth , priority , [...]

31-45 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Configuring the Policy Map Class Trust State T o conf igure the polic y map class trust state, p erform this task: When config uring the polic y map class trust state, note the follo wing: • En[...]

31-46 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS Configuring a Per-Interface Policer T o configure a per -interface policer (se e the “Policers” section on page 31-19 ), perform this task: When config uring a per -interface policer , note t[...]

31-47 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS – Because the token buck et must be large enough to hold at l east one frame, set the parameter larger than the maximum Layer 3 pack et size of the traf fic being policed. – For TCP traf fic,[...]

31-48 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS • (Opt ional—Not supported with the flow keyw ord) For traf fic that exceeds the PIR, you can specify a violate action as follows: – For marking without policing, you can enter the transmit[...]

31-49 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS This exampl e shows ho w to verify the conf iguration: Router# show policy-map max-pol-ipp5 Policy Map max-pol-ipp5 class ipp5 class ipp5 police flow 10000000 10000 conform-action set-prec-transm[...]

31-50 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS This exampl e shows ho w to verify the conf iguration: Router# show policy-map interface fastethernet 5/36 FastEthernet5/36 service-policy input: pmap1 class-map: cmap1 (match-all) 0 packets, 0 b[...]

31-51 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS By default, mi croflo w policers affect on ly routed traf fic. T o enable microflow p olicing of bridged tr aff ic on specified VLANs, perfo rm this task: This exampl e show s how to enable micro[...]

31-52 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS This exampl e show s how to disabl e PFC QoS on the VLAN 5 interf ace: Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)# interface vlan 5 Rou[...]

31-53 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Note Configuri ng a Layer 2 LAN port for VLAN- based PFC QoS preserv es the policy map port confi guration. The no mls qos vlan-based port command reenab les any pre viously configured port comma[...]

31-54 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS Configuring the Ingress LAN Port CoS Value Note Whether or not PFC QoS uses the CoS value appl ied with the mls qos cos command depends on the trust state of the port and the trust state of the t[...]

31-55 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Note • Enter the show queueing interface { et hernet | fastethernet | gigabitether net | tengigabitethernet } slo t/port | include type command to see the queue structure of a port (see the “[...]

31-56 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS T o configure the drop t hresholds, perform this task: This exampl e show s how to configure the receive-qu eue drop thresholds for G igabit Ethernet port 1/1: Router# configure terminal Enter co[...]

31-57 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Configuring a WRED-Drop a nd Tail-Drop Transmit Queue 1p3q1t ports ha ve both WRED-drop and tail- drop thresholds in their transmi t queues. T o configure the drop t hresholds, perform this task:[...]

31-58 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS This exampl e shows ho w to verify the conf iguration: Router# show queueing interface gigabitethernet 1/1 | begin Transmit queues Transmit queues [type = 1p2q2t]: Queue Id Scheduling Num of thre[...]

31-59 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS This ex ample sho ws ho w to configure recei ve queue 1/threshold 1 and transmit queue 1/t hreshold 1 for Gigabit Ethernet port 2/1 : Router# configure terminal Enter configuration commands, one [...]

31-60 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS • Threshold 0 is a nonconf igurable 100-percent ta il-drop threshold on these por t types: – 1p1q0t (recei ve) – 1p1q8t (recei ve) – 1p3q1t (transmit) – 1p2q1t (transmit) • The standa[...]

31-61 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Mapping CoS Values to St andard Transmit-Queue Thresholds T o map CoS values to standard tr ans mit-queue thresholds, perform t his task: This example sh ows ho w to map the CoS values 0 and 1 to[...]

31-62 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS When mapping CoS v alues to the strict-priority queues, not e the follo wing: • The queue number is always 1. • Y ou can enter up to 8 CoS v alues to map to the queue. This example shows ho w[...]

31-63 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS T o map CoS values to tail-dr op thresholds, perform this t ask: When mapping CoS v alues to a tail-drop threshold, note the f ollowing : • Use the transmit queue and threshol d numbers. • Qu[...]

31-64 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS Allocating Bandwidth Between LAN-Port Transmit Queues The switch transmits frames from one standard queu e at a time using a WRR alg orithm. WRR uses the ratio between queue weight v alues to dec[...]

31-65 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS When setting the receiv e-queue size ratio, note the followi ng: • The rcv-queue queue-limit co mmand configur es ports on a per -ASIC basis. • Estimate the mix of strict pri ority-to-standar[...]

31-66 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS This exampl e show s how to set the transmit-queue size ratio for Gig abit Ethernet port 1/2: Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config[...]

31-67 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Mapping Received IP Pr ecedence Values to Internal DSCP Values T o conf igure the mapping of receiv ed IP precedenc e values to the DSCP v a lue that PFC QoS uses internally on the PFC (see the ?[...]

31-68 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS This ex ample sho ws how to conf igure internal DSCP v a lues 0, 8, 16, 24, 32, 40, 48, and 54 to be mapped to egress CoS value 0: Router# configure terminal Enter configuration commands, one per[...]

31-69 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Note When you create a policer that does not use the pir keyw ord, and the maximu m_bu rst_bytes parameter is equal to the normal_burst_bytes parameter (which occurs if you do not enter the maxim[...]

31-70 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS Configuring PFC QoS Statistics Data Export Note Release 12.1(11b)E and later releases su pport PFC QoS statistics data export. These sections describe ho w to configure PFC QoS st atistics data e[...]

31-71 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Enabling PFC QoS Statistics Data Export for a Port T o enable PFC QoS statisti cs data e x port for a port, perform this task: This exampl e show s how t o enable PFC QoS statistics data e xport [...]

31-72 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS Enabling PFC QoS Statistics Data Export for a Named Aggregate Policer T o enable PFC QoS statisti cs data exp ort for a named aggregate poli cer , perform this task: This exa mple sho ws how to e[...]

31-73 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Enabling PFC QoS Statistics Da ta Export for a Class Map T o enable PFC QoS statisti cs data export f or a class map, perform this task: This exampl e show s how to en able PFC QoS statistics dat[...]

31-74 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS • For data from a VLAN interface: – Export type (“5” for a class map and VLAN) – Class map name – Direction (“in”) – PFC or DFC slot number – VLAN ID – Number of in-prof ile[...]

31-75 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS This examp le shows h ow to set the PFC QoS statisti cs data expor t interv al and v erify the conf iguration: Router(config)# mls qos statistics-export interval 250 Router(config)# end Router# s[...]

31-76 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS T able 31-4 list s the supported PFC QoS data ex port se verity param eter va lues. This exampl e show s how to configu re 172.20.52.3 as the destinatio n host and syslog as the UDP po rt number [...]

31-77 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC Qo S Configuring PFC QoS Setting the PFC QoS Statistics Data Export Field Delimiter T o set the PFC QoS statistics data e xport fi eld delimiter , perform this task: This example sh ows ho w to set the PFC QoS statistics[...]

31-78 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 31 Configuring PFC QoS Configuring PFC QoS[...]

CH A P T E R 32-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 32 Configuring UDLD This chapter descri bes how to configure the UniDirectio nal Link Detectio n (UDLD) pr otocol in Release 12.1(2)E and later rele ases on the Catalyst 6500 series switches. Note For complete syntax and usage in forma[...]

32-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 32 Configuring UDLD Understanding How UD LD Works A unidirectional link occurs whene ver traf fic tran smitted by the local d evice o ver a link is recei ved by the neighbor b ut traf fic transmitted from the neighbor is not recei ved by t[...]

32-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 32 Configuring UDLD Default UDLD Configuration Default UDLD Configuration T able 32-1 sho ws the default UDLD con figur ation. Configuring UDLD These sections describe ho w to configure UD LD: • Enabling UDLD Globally , page 32-3 • Enab[...]

32-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 32 Configuring UDLD Configuring UDLD Enabling UDLD on Individual LAN Interfaces W ith Releas e 12.1(13)E and late r re leases, to enable UDLD on indi vidual LAN ports, perfo rm this task: W ith earlier releases, to enable UDLD on indi vidu[...]

32-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 32 Configuring UDLD Configuri ng UDLD Disabling UDLD on Fiber-Optic LAN Interfaces W ith Release 12.1(13)E and later releases, to disa ble UDLD on indi vidual fi ber-opt ic LAN ports, perform this task: W ith earlier releases, to disable UD[...]

32-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 32 Configuring UDLD Configuring UDLD Resetting Disabled LAN Interfaces T o reset all LAN ports th at hav e been shut down b y UDLD, perform this task: Command Purpose Router# udld reset Resets all LAN ports that ha ve been shut down b y UD[...]

CH A P T E R 33-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 33 Configuring NDE This chapter describe s how to configure NetFlo w Data Export (NDE) on the Catalyst 6500 series switches. Note For complete syntax and usage in formation for the co mmands used in this chap ter , refer to the Catalys[...]

33-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Understanding How NDE Works NDE Overview NDE makes routed-tr af fic stat istics av ailable for analys is b y an external data collector . Y ou can use NDE to analyze all IP unicast traffic that is Layer 3-switch ed on t[...]

33-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Understanding How NDE Works • full—A more-specific flo w mask. The PFC creates an d mainta ins a separate cache entry for each IP flow . A full entry includes the source IP addr ess, destination IP address, protocol, [...]

33-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Understanding How NDE Works T able 33-2 NDE V ersion 5 Flo w Recor d For mat Bytes Content Description Flow masks: • X=Populated • A=Additional field (see the “Populati ng Additional NDE Fields” section on page [...]

33-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Understanding How NDE Works T able 33-3 NDE V ersion 7 Heade r For mat Bytes Content Description 0–1 versi on Netflow export format v ersion number 2–3 count Number of flo ws exported in this pack et (1–30) 4–7 Sy[...]

33-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Understanding How NDE Works MLS Cache Entries NDE captures statistics for Layer 3-switc hed flows in the MLS cache on the PFC. NDE maintains traff ic statistics for each acti ve flo w in the MLS cache and incremen ts th[...]

33-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Default NDE Config uration Y ou can confi gure sampled NetFlo w to use time-based sampling or pack et-based sampling. Ta b l e 3 3 - 5 lists the time-based sampling rates and export intervals. As examples, if you con figu[...]

33-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Configuring NDE Configuring NDE These sections describe ho w to configure ND E: • Configuring N DE on the PFC, page 33-8 • Configuring N DE on the MSFC, page 33-13 • Displaying the NDE Address and Port Conf igurat[...]

33-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Configuring NDE This exa mple sho ws how to enab le NDE from the PFC: Router(config)# mls nde sender Setting the Minimum IP MLS Flow Mask Y ou can set the min imum granularity of the flo w mask for the MLS cache on th e P[...]

33-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Configuring NDE Populating Additional NDE Fields W ith Release 12.1(13)E and later releases, you can conf igure NDE to populate the follo wing additional fields in the NDE packets: • IP address of the next hop router[...]

33-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Configuring NDE A typical cache entry that is rem oved is t he entry for flo ws to and from a Domain Name Server (DNS) or TFTP server . This entry might not be used again after it is created. The PFC sa ves space in the [...]

33-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Configuring NDE Configuring Sampled NetFlo w Globally T o conf igure sampled NetFlo w globally , perform this task: When you conf igure sampled NetFlo w globally , note the followi ng: • The valid v alues for rat e a[...]

33-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Configuring NDE Configuring NDE on the MSFC This section supplemen ts the NetFlo w procedures at this URL: http://www .cisco.com/u ni vercd/cc/td/ doc/product/softw are/ios121/121cgcr /switch_r/inde x.htm These sections [...]

33-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Configuring NDE Configuring the NDE Destination T o conf igure the destination IP ad dress and UDP port to recei ve the NDE statist ics, perform this task: This exampl e shows ho w to conf igure the NDE flo w destinati[...]

33-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Configuring NDE Version 1 flow records 0 flows exported in 0 udp datagrams 0 flows failed due to lack of export packet 0 export packets were sent up to process level 0 export packets were dropped due to no fib 0 export p[...]

33-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Configuring NDE Configuring a Host and Port Filter T o conf igure a host and TCP/UDP por t flow filter , perform this task: This exampl e show s how to conf igure a source host and destinati on TCP/UDP port flo w filte[...]

33-17 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring NDE Configuring NDE Clearing an NDE Flow Filter T o clear the NDE flo w filter and reset the f ilter to the defaul t (all flo ws exported), per form this task: This e xample sho ws how to clear the NDE flo w filt er so that [...]

33-18 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 33 Configuring N DE Configuring NDE[...]

CH A P T E R 34-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 34 Configuring Local SPAN and RSPAN This chapter describe s how to configure local Sw itched Port Analyzer (SP A N) and remote SP AN (RSP AN) on the Catalyst 6500 series switches. The Catalyst 6500 series swit ches support RSP AN with [...]

34-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Configuring Local SPAN and RSPAN Understanding How Loca l SPAN and RSPAN Work Local SPAN Overview Local SP AN supports source ports, source VLANs, a nd destinat ion ports on the same Catalyst 65 00 series switch. Local SP AN copies traf[...]

34-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Con figuring Local SPAN and RSPAN Understanding How Loca l SPAN and RSPAN Work RSPAN Overview RSP AN supports source ports, source VLANs, and destinatio n ports on dif ferent switches, which provid es remote monitoring of multipl e switc[...]

34-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Configuring Local SPAN and RSPAN Understanding How Loca l SPAN and RSPAN Work Monitored Traffic These sections describe the traff ic th at SP AN (local or remote) can monitor: • Monitored T raff ic Direction, page 34-4 • Monitored T[...]

34-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Con figuring Local SPAN and RSPAN Local SPAN and RSPAN Configura tion Guidelines and Restrictions Source VLANs A source VLAN i s a VLAN monito red for netwo rk traf f ic analysis. VLAN-ba sed SP AN (VSP AN) uses a VLAN as the SP AN sourc[...]

34-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Configuring Local SPAN and RSPAN Local SPAN and RSPAN Co nfiguration Guidelin es and Restrictions Local SPAN and RSPAN Source and Destination Limits These are the local SP AN and RSP AN source and destination limits: Local SPAN and RSPA[...]

34-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Con figuring Local SPAN and RSPAN Local SPAN and RSPAN Configura tion Guidelines and Restrictions • When enabled, local SP AN or RSP AN uses any previously ente red configuration . • When you specify sources and do not specify a traf[...]

34-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Configuring Local SPAN and RSPAN Configuring Loca l SPAN and RSPAN • MA C address lea rning is disab led on the RSP AN VLAN. • Y ou can use an output access control list (A C L) on the RSP AN VLAN in the RSP AN source switch to filt[...]

34-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Con figuring Local SPAN and RSPAN Configuring Local SPAN and RSPAN Configuring RSPAN VLANs T o configure a VLAN as an RS P AN VLAN, perform th is task: Configuring Local or RSPAN Sources Note T o configu re an RSP AN source session, conf[...]

34-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Configuring Local SPAN and RSPAN Configuring Loca l SPAN and RSPAN • vlan_rang e is fi rst_vlan_ ID - last_vlan_ID • mixed_vlan_list is, in any order , single_vlan , vlan_rang e , ... When clearing monitor sessions, note t he follo[...]

34-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Con figuring Local SPAN and RSPAN Configuring Local SPAN and RSPAN Configuring a Desti nation Port as an Unconditional Trunk T o tag the m onitored traffic with Release 12.1( 13)E and later releases, conf igure the destination por t as [...]

34-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Configuring Local SPAN and RSPAN Configuring Loca l SPAN and RSPAN When config uring monitor sessio ns, note the follo wing syntax information: • single _interface is interface type slot / port ; type is ethernet , fastethernet , gig[...]

34-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Con figuring Local SPAN and RSPAN Configuring Local SPAN and RSPAN This example sh ows ho w to display the full details of session 2: Router# show monitor session 2 detail Session 2 ------------ Type : Remote Source Session Source Ports[...]

34-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 34 Configuring Local SPAN and RSPAN Configuring Loca l SPAN and RSPAN[...]

CH A P T E R 35-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 35 Configuring Web Cache Services Using WCCP This chapter d escribes how to configure the Cata lyst 6500 series switche s to redirect traf fic to cache engines (web caches) using the W eb Cache Communi cation Protocol (WCCP) , and desc[...]

35-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP Understanding WCCP Understanding WCCP These sections describe WCCP: • WCCP Overvie w , page 35-2 • Hardware Acceleration, page 35-2 • Understanding WCCPv1 Conf iguration, page 35-3 • U[...]

35-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Configuring Web Ca che Services Using WCCP Understanding WCCP W ith Release 12.1(2)E and later releases, WCCP Layer 2 PFC redirection allo ws Cisco Cache Engines to use hardware-supported Layer 2 redirection. A dir ectly connected Cache [...]

35-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP Understanding WCCP 2. The cache engines send their IP addresses to t he control router using WCCP , indicati ng their presence. Routers and cache engine s communicate to each other via a contr[...]

35-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Configuring Web Ca che Services Using WCCP Understanding WCCP Using WCCPv1, the cache e ngines were configured wi th the address of the single router . WC CPv2 requires that each cache engine be aware of all the routers in the service gr[...]

35-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP Understanding WCCP The cache engine s in service grou p specify traffic to be redirected by protocol (TCP or U DP) and port (source or destination). Each service g roup has a priority status a[...]

35-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Configuring Web Ca che Services Using WCCP Restrictions for WCCPv2 Restrictions for WCCPv2 The follo wing limitations apply to WCCP v2: • WCCP works only with IP netwo rks. • For routers servicing a multicast cluster , the time to li[...]

35-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP Configuring WCCP WCCPv1 does not use the WCCP commands from earlier Cisco IOS versions. Instead, use the WCCP commands documented in th is chapter . If a function is not allo wed in WCCPv1, an[...]

35-9 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Configuring Web Ca che Services Using WCCP Configuring WCCP Note • A future release of Cisco Application and Conten t Networking System (A CNS) software (Release 4.2.2 or later) and Release 12.1(13)E and l ater releases support the ip [...]

35-10 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP Configuring WCCP Registering a Router to a Multicast Address If you decide to use the multicast add ress option for your ser vice group, you must conf igure the router to listen for the multi[...]

35-11 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Configuring Web Ca che Services Using WCCP Configuring WCCP Setting a Password for a Router and Cache Engines MD5 password security requires that eac h router and cache engine that wants to j oin a service gro up be confi gured with the[...]

35-12 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP Verifying and Monitoring WCCP Configuration Settings T o conf igure an MD5 password fo r use by the router in WCCP commu nications, perform thi s task in global conf iguration mode: Verifying[...]

35-13 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Configuring Web Ca che Services Using WCCP WCCP Configuration Examples • Setting a Passw ord for a Router and Cache Engines Example, page 35-15 • V erifying WCCP Settings Example, page 35-15 Changing the Version of WCCP on a Router [...]

35-14 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP WCCP Configuration Examples . . . WCCP Redirect inbound is enabled WCCP Redirect exclude is disabled . . . Running a Reverse Proxy Service Example The follo wing example assumes you a conf ig[...]

35-15 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Configuring Web Ca che Services Using WCCP WCCP Configuration Examples The follo wing example conf igures a router to redirect web-related packet s receiv ed through interface ethernet 0/1, destined to an y host except 209.165.196.51: R[...]

35-16 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 35 Config uri ng Web Cache Services Using WCCP WCCP Configuration Examples interface Ethernet1 ip address 10.4.1.1 255.255.255.0 no ip directed-broadcast ip wccp 99 redirect out no ip route-cache no ip mroute-cache ! interface Serial0 no [...]

CH A P T E R 36-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 36 Configuring SNMP IfIndex Persistence This chapter describe s how to configure the SNMP ifInde x persistence feature on Catalyst 6500 series switches. Rel ease 12.1(13)E a nd later re le ases support SNMP ifIndex persist ence. This c[...]

36-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 36 Configuring SNM P IfIndex Persistence Configuring SNMP IfIndex Persistence Note T o verify that ifInde x commands have been configured, use the more system:running-config command. Enabling and Disabling SNMP IfIndex Persistence Globally[...]

36-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 36 Config uring SNMP IfIndex Persistence Configuration Example s T o clear the interface-specific SNMP ifInde x persis tenc e setting and configure the interface to use the global conf iguration setting, perform this task: Configuration Exa[...]

36-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 36 Configuring SNM P IfIndex Persistence Configuration Examples Clearing SNMP IfIndex Persist ence Configuration from a Specific Interface Example In the follo wing example, any pre vious setting for SNMP ifInde x persistence on Ethernet i[...]

CH A P T E R 37-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 37 Configuring the Switch Fabric Module This chapter descri bes how to configure the Switch Fabric Module (SFM) for the Catalyst 6500 series switches. Note For complete syntax and usage in formation for the co mmands used in this chap [...]

37-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 37 Co nfigur ing the Switch Fabric Module Understanding How the Switch Fabric Module Works Switch Fabric Module Slots W ith a WS-C6513 chassis, install the Swit ch Fabric Mo dules in either slot 7 or 8. Note In a WS-C6513 chassis, only slo[...]

37-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 37 Configur ing the Switch Fabric Module Configuring the Sw itch Fabric Module • T runcated mode—The switch uses this mode for tr af fic between fabric-enabled modules when there are both fabric-enabled and nonf abric-enabled modules in[...]

37-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 37 Co nfigur ing the Switch Fabric Module Configuring the Switch Fabric Module When config uring the switching mode, note the fo llowi ng syntax information: • T o allo w use of nonfabric-enabl ed modules or to allo w fabric-enabled modu[...]

37-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 37 Configur ing the Switch Fabric Module Monitoring the Switch Fabric Module Configuring an LCD Message T o conf igure a message for display on the LCD, p erform this task: When config uring a message for display on the LCD, no te the follo[...]

37-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 37 Co nfigur ing the Switch Fabric Module Monitoring the Switch Fabr ic Module This exampl e show s how to display module information: Router# show module 5 Mod Ports Card Type Model Serial No. --- ----- -----------------------------------[...]

37-7 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 37 Configur ing the Switch Fabric Module Monitoring the Switch Fabric Module Displaying the Fabric Status T o display the fab ric status of one or all switching mod ules, perform this task: This example sh ows ho w to display the fabric sta[...]

37-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 37 Co nfigur ing the Switch Fabric Module Monitoring the Switch Fabr ic Module This exampl e show s how to display fabric errors on all modules: Router# show fabric errors slot channel module module module fabric crc hbeat sync sync 1 0 0 [...]

CH A P T E R 38-1 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 38 Power Management and Environmental Monitoring This chapter describes the po wer management an d en vironmental monitori ng features in the Catalyst 6500 series switches. Note For complete syntax and usage in formation for the co mma[...]

38-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 38 Power Managem ent and E nvironmental Mo nitoring Understanding How Po wer Management Works Enabling or Disabling Power Redundancy From global c onfiguration mode, enter th e power redundancy-mode combined | r edundant commands to disabl[...]

38-3 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 38 Power Management and Envir onmental Monitoring Understanding How Pow er Management Works Using the CLI to Power Modules Off and On Y ou can power do wn a module from the co mmand-line interface (CLI) by entering the no power enable modul[...]

38-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 38 Power Managem ent and E nvironmental Mo nitoring Understanding How Environme ntal Monitoring Works Using the CLI to Power Cycle Modules From global conf iguration mode, enter the power cycle module slot command to po w er cycle (reset) [...]

38-5 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 Chapter 38 Power Management and Envir onmental Monitoring Understanding How Environm ental Monitoring Works T able 38-2 En viron mental Monito r ing for Su pervisor Engine and S witching Mo dules Component Alarm T ype LED Indication Action Supervis[...]

38-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Chapter 38 Power Managem ent and E nvironmental Mo nitoring Understanding How Environme ntal Monitoring Works[...]

A-1 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 APPENDIX A Acronyms Ta b l e A - 1 defines the acron yms used in this publication. T able A -1 List of A cron yms Acronym Expansion AAL A TM adapta tion layer A CE a ccess control entry A C L access control list AFI authority and format identif ier [...]

A-2 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Appendix A Acronyms CEF Cisco Express Forwardi ng CHAP Challenge Handshake Authentication Protocol CIR committed informat ion rate CLI command-line interface CLNS Connection-Less Network Service CMNS Connection-Mode Network Servi ce COPS Common Ope[...]

A-3 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Appendix A Acronyms DTR data terminal ready DXI data e xchange in terface EAP Extensible Authenticati on Protocol EARL Enhanced Address Recognition Logic EEPR OM electrically er asable programmable read-only memo ry EHSA enhanced high system a vaila[...]

A-4 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Appendix A Acronyms ISL Inter -Switch Link ISO International Org anization of Standardizati on ISR Integrated SONET router LAN local area network LANE LAN Emulation LAPB Link Access Procedure, Balanced LCP Link C ontrol Pro tocol LD A Local Directo[...]

A-5 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Appendix A Acronyms NET network entity title NetBIOS Network Basic I nput/Output System NFFC NetFlo w Feature Card NMP Netw ork Management Processor NSAP network service access point NTP Network T ime Protocol NVRAM non volatile RAM O A M Operation,[...]

A-6 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Appendix A Acronyms RIB routing information base RIF Routing Information Field RMON remote network monit o r R OM read-only memory R OMMON R OM monitor RP route processor or rendezv ous point RPC remote procedure call RPF rever se path forwarding R[...]

A-7 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 Appendix A Acronyms TCAM T ernary Content Addressable Memory TCL table contention lev el TCP/IP Tran smission Control Protocol/ Internet Protocol TFTP T rivial File T ransfer Protocol TIA T elecommunications In dustry As sociation T opN Utility that[...]

A-8 Catalyst 6500 Series Switch Cisco IOS So ft ware Configuration Guide—Release 12.1 E 78-14099-04 Appendix A Acronyms[...]

IN-1 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 INDEX Numerics 4K VLANs (support for 4,0 96 VLANs) 2 802.10 SAID (default) 6 802.1Q encapsulation 4 Layer 2 protocol tunneli ng See Layer 2 protocol tu nneling mapping to ISL VLANs 12 trunks 2 restrictions 6 tunnelin g configuration guid elines 4 c[...]

Index IN-2 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 blocking stat e, STP 8 boot bootldr command 26, 27 boot command 22 boot config command 26 BOOTLDR environment variable (example) 27 configuring 27 description 25 setting 27 boot loader image 25, 27 boot system command 21, 26 boot system flas [...]

Index IN-3 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 clearing IPX MLS cache entries 13 clear interface command 19 clear ip route command IP MLS restiction 6 clear ipx route command IPX MLS restiction 5 clear mls command clearing IP MLS cache entries 12 clear mls ip multicast statistics command [...]

Index IN-4 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 IP MMLS 7 IPX MLS 5 supervisor engine 1 UDLD 3 voice VLAN 4 VTP 5 default ga teway, con figuring 12 default NDE configuration 7 default VLAN 10 denial of service p rotection 1 description co mmand 16 destination flow mask 3 destination-ip f l[...]

Index IN-5 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 interface port-channel (command) 7 lacp system-priority command example 10 Layer 2 configuring 8 load balanc ing configuring 11 understanding 5 modes 3 PAgP Understanding 3 port-channel interfaces 5 port-channel load-balance command 10, 11 co[...]

Index IN-6 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 frame distribution See EtherChannel load balancing G gateway, co nfiguring 12 global confi guration mode 5 global parameters, configu ring 3 H hardware Layer 3 switching guidelin es 4 hello tim e, STP 32 history CLI 3 I I-BPDU 16 ICMP unreach[...]

Index IN-7 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 range of 4 restarting 19 shutting down task 19 interfaces command 1, 2 interfaces range command 4 interfaces range macro command 6 Interior Gateway Routi ng Protocol See IGRP, configuring Internal Sub Tree Protocol See ISTP 15 Internet Group [...]

Index IN-8 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 completely and partially swi tched 4 Layer 3 MLS cache 2 overview 2 packet rewrite 3 router displaying interface in formation 14 enabling globally 10 enabling on interfaces 11 multicast routing table, displaying 16 PIM, enabling 10 switch sta[...]

Index IN-9 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 J join messages, IGMP 2 jumbo frames 10 K keyboard shortcuts 3 L LACP system ID 4 Layer 2 configuring interfaces 7 access port 14 trunk 8 defaults 5 interface modes 4 show interfaces 13, 14, 7, 13 switching understanding 1 trunks understandin[...]

Index IN-10 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 mls flow ipx command configuring IPX MLS flow mask 8 mls ip multicast command enabling IP MMLS 11, 12, 13, 14 mls ipx command enabling IPX MLS on a router interface 6 mls nde flow command configuring a host and port filter 16 configuring a h[...]

Index IN-11 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 overview 1 specifying destination host filt ers 16 destination TCP/UDP port filt ers 16 protocol filt ers 16 NDE configuration, default 7 NetFlow Data Export See NDE Network-Based Application Reco gnition 1 network fault tolerance 15 network[...]

Index IN-12 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 initializin g authenti cation of a client 11 manual reauthen tication of a client 11 quiet period 11 RADIUS server 10 RADIUS server parameters on the switch 8 switch-to-authen tication-server retransmission time 13 switch-to-client EAP-reque[...]

Index IN-13 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 isolated VLANs 2 ports community 1 isolated 1 promiscuous 1 primary VLANs 2 secondar y VLANs 2 trunks 2 privileged EXEC mode 5 privileges changing default 18 configuring multiple levels 17 privilege level 18 exiting 19 logging in 18 procedur[...]

Index IN-14 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 DSCP markdown values 25, 68 DSCP values to CoS values 67 IP precedence values to DSCP values 67 QoS markdown 19 QoS marking 24 definition 4 trusted ports 13 untrusted ports 13 QoS MSFC marking 9 QoS multilayer switch feature card 12 QoS OSM [...]

Index IN-15 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 redundancy (RPR+) 1 configuring 6 configuring superviso r engine 5 displaying supervisor engine config uration 8 redundancy command 6, 7 route processor redu ndancy plus 2 redundancy command 3 related documentation 23 reload command 23 reser[...]

Index IN-16 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 show ciscoview version comma nd 3 show configuration command 16 show debugging command 3 show eobc com mand 18 show hardw are command 3 show history co mmand 4 show ibc command 18 show interfaces command 2, 13, 14, 16, 18, 7, 13 clearing int[...]

Index IN-17 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 configuring 8 destinations 10 sources 9 VLAN filterin g 10 overview 1 spanning-tree ba ckbonefast command 13, 14 command example 13, 14 spanning-tree cost command 29 command example 29, 30 spanning-tree portfast command 8, 9 command example [...]

Index IN-18 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 and MST 16 configuring 13 figure adding a switch 7 spanning-tree ba ckbonefast command 13, 14 command example 13, 14 understanding 4 STP BPDU Guard and MST 16 configuring 11 spanning-tree portfast bpdu-guard command 11 understanding 2 STP br[...]

Index IN-19 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 switchport trunk allowed vlan 11 switchport trunk encapsulation 9 switchport trunk encapsulation dot1q 4 example 13 switchport trunk encapsulation isl 4 switchport trunk encapsul ation negotiate 4 default 5 switchport tr unk native vlan 11 s[...]

Index IN-20 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04 See STP UplinkFast URD 10 user EXEC mode 5 V VACLs 8 configuring 11 examples 16 Layer 3 VLAN interfaces 15 Layer 4 port operat ions 3 logging configuration example 18 configuring 17 restrictions 18 MAC address based 12 multicast packets 11 o[...]

Index IN-21 Catalyst 6500 Series Switch Cisco IOS So ftware Configuration Guide—Release 12.1 E 78-14099-04 client 2 server 2 transparent 2 monitoring 10 overview 1 pruning configuration 12 configuring 7 overview 3 server, configuring 8 statistics 10 transparent mode, configu ring 8 version 2 enabling 7 overview 3 W WCCP configuring on a router 2,[...]

Index IN-22 Catalyst 6500 Series Switch Cisco IOS Softw are Configuration Guide—Release 12.1 E 78-14099-04[...]