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Cisco Systems OL-8241-02 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Cisco Content S er vices S witc h Routing and Bridging Conf iguration Guide Sof tware V ers ion 8.20 November 20 06 Text Part Number: O L-8241-02[...]

  • Page 2

    THE SPECIFICA T IONS AND INFORMA TION REGARDING THE PRODUCTS IN THIS MAN U AL ARE SUBJECT TO CHANGE WITHOUT NO TICE. ALL ST A TEMENTS, INFORMA TION, AND RECOMMENDA TION S IN THIS MANUAL ARE BELIEVED T O BE A CCURA TE BUT ARE PRESENTED WITHOUT W ARRANTY OF ANY KIND, EX PRESS OR IMPLIED. USERS MUST T AKE FULL RESPONSIBILITY FO R THEIR APPLICA TION OF[...]

  • Page 3

    iii Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 CONTENTS Preface xv Audience xvi How to Use This Guide xvi Related Documentation xvii Symbols and Conventions xx Obtaining Documentation xxi Cisco.com xxi Product Documentation DVD xxii Ordering Documentation xxii Documentation Feedback xxii Cisco Product Securi[...]

  • Page 4

    Contents iv Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring Interfaces 1-6 Configuring an Interface 1-7 Entering a Description for the Interface 1-7 Configuring Interface Duplex and Speed 1-8 Setting Interface Maximum Idle Time 1-10 Bridging an Interface to a VLAN 1-11 Specifying VLAN Trunking for a[...]

  • Page 5

    v Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Contents Configuring a Circuit IP Address 1-32 Configuring a Circuit-IP Broadcast Address 1-32 Configuring Circuit-IP Redirects 1-33 Configuring Circuit-IP Unreachables 1-33 Configuring Router-Discovery Preference for a Circuit IP Interface 1-33 Enabling and Disab[...]

  • Page 6

    Contents vi Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring Spanning-Tree Bridge Max-Age 2-4 Configuring Spanning-Tree Bridge Priority 2-5 Disabling Bridge Spanning-Tree 2-5 Showing Bridge Configurations 2-6 CHAPTER 3 Configuring Open Shortest Path First 3-1 OSPF Overview 3-2 OSPF Routin g Hierarchy[...]

  • Page 7

    vii Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Contents Configuring the CSS as an Autonomous System Bounda ry Router 3-15 Advertising a Route as an OSPF ASE Route 3-16 Advertising a Default ASE Route 3-20 Advertising Other Routes Through OSPF 3-21 Configuring OSPF on a CSS IP Interface 3-22 Configuring the C[...]

  • Page 8

    Contents viii Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 CHAPTER 4 Configuring the Address Resolution Protocol 4-1 ARP Configuration Qu ick Start 4-2 Configuring ARP 4-3 Immediately Refreshing the Bridge Forw arding Table fo r a MAC Down Event 4-4 Configuring ARP Timeout 4-4 Configuring ARP Wait 4-5 Updati[...]

  • Page 9

    ix Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Contents Configuring IP Opportunistic La yer 3 Forwarding 6-11 Configuring Advanced Rou te Remapping 6-13 Showing IP Configuration Information 6-13 Showing IP Global Configuration Parameters 6-14 Showing IP Interface Information 6-15 Showing IP Routing Informatio[...]

  • Page 10

    Contents x Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02[...]

  • Page 11

    xi Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 FIG U R ES Figure 1-1 CSS Interfaces and Circuits 1-3 Figure 1-2 Interface Trunking Between VLANs 1-3 Figure 1-3 Example of SPAN Connectivity 1-45 Figure 3-1 Basic OSPF Network Topo logy 3-3 Figure 6-1 Example of Opportunistic Layer 3 Forwardin g 6-11[...]

  • Page 12

    Figures xii Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02[...]

  • Page 13

    xiii Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 TABLES T able 1-1 Interface and Circuit Configuration Quick Sta rt 1-4 T able 1-2 Field Description for the show bridge port-fast Command 1-18 T able 1-3 Field Descriptions for the show bridge forwarding Co mmand 1-20 T able 1-4 Field Descriptions for the show [...]

  • Page 14

    Tables xiv Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T able 3-5 Field Descriptions for show ospf interfaces Command 3-31 T able 3-6 Field Descriptions for the show ospf lsdb Command 3-35 T able 3-7 Field Descriptions for the show ospf ase Command 3-37 T able 3-8 Field Descriptions for the show ospf advert[...]

  • Page 15

    xv Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Preface This guide pro vides instructions to conf igure interfaces and circuits, spanning-tree bridging, Op en Shortest P ath First (OSPF), Address Resolution Protocol (ARP), Rout ing Information Pr otocol (RIP), Inte rnet Protocol (IP) routing, and D ynamic Host[...]

  • Page 16

    Preface Audience xvi Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Audience This guide is intended for the follo wing trained and qualif ied service personnel who are responsible for conf iguring the CSS: • We b m a s t e r • System adminis trator • System operator How to Use This Guide This guide is or[...]

  • Page 17

    xvii Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Preface Related Documentation Related Documentation In addition to this document, the CSS d ocumentation set incl udes the follo wing: Chapter 7, Configuring the Cisco Discovery Protocol Configure Cisco Discovery Protocol (CDP). Chapter 8, Configuring the DHCP [...]

  • Page 18

    Preface Related Do cumentation xviii Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Cisco Conte nt Services Switch Get ting Started Guide This guide describes ho w to perform initial administration and conf iguration tasks on the CSS, including: • Booting the CSS for the f irst time and on a routine basis, a[...]

  • Page 19

    xix Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Preface Related Documentation Cisco Conte nt Services Switch Cont ent Load-Balancing Conf iguratio n Guide This guide describes ho w to perform CSS content load-balancing configur ation tasks, in cluding: • Flo w and port mapping • Services • Service, glob[...]

  • Page 20

    Preface Symbols and Conventions xx Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Symbols and Conventions This guide u ses the fol lowing symbols and conv entions to identify d if ferent ty pes of informatio n. Caution A caution means that a specific action you take co uld cause a loss of data or adversely imp[...]

  • Page 21

    xxi Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Preface Obtaining Documentation Note A note provides importa nt relate d info rmation, reminders, and recommendations. Bold text indicates a command in a paragraph. Courier text indicates text that appears on a command line, including the CLI prompt. Courier bol[...]

  • Page 22

    Preface Documentation Feedba ck xxii Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Product Documentation DVD The Product Documentation D VD is a library of technical product documentation on a portable medium. The DVD enables y ou to access installatio n, configuration, and command guides for Cisco hardware a[...]

  • Page 23

    xxiii Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Preface Cisco Product Security Overview Cisco Product Security Overview Cisco provides a free online Security V u lnerability Policy portal at this URL: http://www .cisco.com/en/US/ products/products_security_vu lnerability_polic y .ht ml From this site, you w[...]

  • Page 24

    Preface Product Alerts and Field No tices xxiv Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Ti p W e encourage you to use Pretty Good Pri v ac y (PGP) or a compatible product (for exam ple, GnuPG) to encrypt any sensiti ve informatio n that you send to Cisco. PSIR T can work with information that has been en[...]

  • Page 25

    xxv Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Preface Obtaining Techn ical Assistance Cisco service contract, Cisco T echnica l Assistance Center (T A C) engineers provide t elephone support. If you do n ot hav e a v a lid Cisco service contract, contact your reseller . Cisco Technical Support & Documen[...]

  • Page 26

    Preface Obtaining Technical Assistance xxvi Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T echnical Support & Documentation radio b utton. T o provide feedback about the Cisco.co m website or a particular t echnical document, click Contacts & F eedback at the top of any Cisco.com web page. Submitting[...]

  • Page 27

    xxvii Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Preface Obtaining Additional Public ations and Information Se verity 1 (S1)—An e xisting network is “do wn” or there is a critical impact to your b usiness operations. Y ou and Cisc o will commi t all necessary resources around the clock to resolve the s[...]

  • Page 28

    Preface Obtaining Additional Publ ications and Information xxviii Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 • Cisco Press publishes a wide range of general n etworking, trai ning, and certificatio n titles. Both ne w and experienced users will benef it from these publications. F or current Cisco Press t[...]

  • Page 29

    CH A P T E R 1-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 1 Configuring Interfaces and Circuits This chapter descr ibes how to conf igure the CSS inte rfaces and circuits and how to bridg e interfaces to V irtual LAN s (VLANs). Informatio n in this chapter app lies to all CSS models, except where noted. Th[...]

  • Page 30

    Chapter 1 Configu ring Interfaces and Circuits Interface and Circuit Overview 1-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Using the trunk command, you can assign multiple VLANs to a CSS Et hernet interface port (Fast Ethern et port or Gigabit Ethernet port). A t ru nk is a point-to-point link carrying t[...]

  • Page 31

    1-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Interface and Circuit Overview Figure 1-1 illu strates the interf aces, circuits, and VLANs in a CSS, and Figure 1-2 illustrates trunki ng between VLANs. Figur e 1 -1 CSS Interf aces and Circuits Figure 1 -2 Interfa[...]

  • Page 32

    Chapter 1 Configu ring Interfaces and Circuits Interface and Circuit Overview 1-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Interface and Circuit Configuration Quick Start Ta b l e 1 - 1 provides a quick ov erview of the st eps required to configure interfaces and circuits. Each step includes the CLI comm[...]

  • Page 33

    1-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Interface and Circuit Overview The follo wing running-configurat ion example sh ows the resul ts of entering the commands in Ta b l e 1 - 1 . !********************** INTERFACE ********************* interface 2/1 phy[...]

  • Page 34

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring Interfaces Interfaces are ports that enable you to connect devices to the CSS and connect the CSS to the Internet. The commands to conf igure interfaces on t he CSS 11501 differ [...]

  • Page 35

    1-7 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Configuring an Interface T o configure an Ethernet interf ace, use the int erface command. Ente r the interface name as follows: • CSS 11501 - Enter the interf ace name in interface port for[...]

  • Page 36

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-8 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o remove an interface description, enter: (config-if[2/1])# no description Configuring Interface Duplex and Speed By default, the CSS Fast Ethernet inte rface and Gigabit Ethernet interfac[...]

  • Page 37

    1-9 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Note If you conf igure the redundancy-phy comman d on an interface of the master CSS in a box-to-box redund ancy conf iguration and then make a change to the port settings of that interface us[...]

  • Page 38

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-10 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 • phy 100Mbits-HD - Sets the F a st Ethernet port to 10 0 Mbps and half-duple x mode. • phy 1Gbits-FD -asym - Sets the Gigabit Ethernet port to full-d uplex mode with asymmetric pause f[...]

  • Page 39

    1-11 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces For e xample, to set the maximum idle time to 180 seconds for interface port 1 on a CSS 11503, the I/O mod ule in slot 2, enter: (config-if[2/1])# max-idle 180 T o reset the idle time for an [...]

  • Page 40

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-12 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Specifying VLAN Trunking for an Interface T o activ ate VLAN trunking for a CSS interface, use the trunk command. Y ou specify all VLANs that include the speci fied port as part of the VLAN[...]

  • Page 41

    1-13 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces T o disable trunking on the specified interface and associated VL ANs, enter: (config-trunkif[2/3])# no trunk T o display a ll interf aces and the V LANs to which t hey ar e conf igured, use [...]

  • Page 42

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-14 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring Spanning-Tree Bridging for a VLAN or a Trunked Interface The CSS supports conf iguration of Spanning-T ree Protocol (STP) bridging for an Ethernet interface in a VLAN or for a t[...]

  • Page 43

    1-15 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Configuring Spanning -Tree Bridge Pathcost The path cost is the contribu tion of the inte rface to the vast path cost towards the spanning-tree root. Use the bridge pathcost command to set th[...]

  • Page 44

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-16 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring Spanning -Tree Bridge State By default, an Ethernet interf ace is se t to the enabled bridge state. Use the bridge state command to set th e spanning-tre e bridge state for an E[...]

  • Page 45

    1-17 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Enabling Port Fast A port with the Port Fast feature enabled is moved directly to the spanning-tree forwarding st ate without w aiting for the standard fo rward-time delay . Caution Use Port [...]

  • Page 46

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-18 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o disable BPDU guar d, use the global conf iguration bridge bpdu-guard disabled command: (config)# bridge bpdu-guard disabled Showing Port Fast Information T o display whether Port Fast i[...]

  • Page 47

    1-19 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Showing Interface Configurations This CSS includes a series of show interf ace mode commands th at enable you to view interf ace configurat ion information ab out the CSS. This information in[...]

  • Page 48

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-20 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o display bridge forw arding or bridge status for a specif ic V LAN in the CSS, enter the show bridge forwarding or the show bridge status command wi th the VLAN number . E ntering the sh[...]

  • Page 49

    1-21 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces State The state of the port. The possible states are as follows: • Block - The block ing state. A port en ters the blocking state after CSS initialization. The p ort does not participat e i[...]

  • Page 50

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-22 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Showing Trunking Configurations The CSS enables you to sho w VLAN trunk status information for Gigabit Ethernet and Fast Ethern et ports. T o display th is information, use the sho w trunk [...]

  • Page 51

    1-23 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Ta b l e 1 - 6 describes the f i elds in the show interface command output. Showing Interface Duplex and Speed Use the show ph y command to show duple x and speed v alues for all interfaces. [...]

  • Page 52

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-24 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Ta b l e 1 - 7 describes the f i elds in the show ph y command output. Showing Interface Statistics Use the show mibii command to display the e xtended 64-bit MIB-II statistics for a specif[...]

  • Page 53

    1-25 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Ta b l e 1 - 8 describes the f i elds in the show mibii command outpu t. T abl e 1 -8 Field Descr iptions for the sho w mibii Command Field Description MA C The interface address at the p rot[...]

  • Page 54

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-26 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o clear interface statistics, use the clear statisti cs command in SuperUser mode. For e xample: # clear statistics Last Change The v alue of sysUpT ime at the time the interface entered [...]

  • Page 55

    1-27 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Showing Ethernet Interface Errors T o list the errors on an Ethernet interface, use the show ether-err or s command and options. When required , enter the interface name as a cas e-sensitiv e[...]

  • Page 56

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-28 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Single Collision The number of successfully tr ansmitted frames on the interface for transmissions that were inhibited by exactly one collision. Multiple Collisions The number of successful[...]

  • Page 57

    1-29 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Interfaces Shutting Down an Interface T o shut down an interface, use the admin-shutdo wn or shut command. Caution Shutting d o wn an in terface termina tes all conne ctions to th e interface. For e xam[...]

  • Page 58

    Chapter 1 Configu ring Interfaces and Circuits Configuring Interfaces 1-30 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o shut do wn all interfaces, enter: # admin-shutdown Restarting an Interface T o restart an interface, use the no admin-shutdown or no shut command. Fo r exa mpl e: • T o restart interf[...]

  • Page 59

    1-31 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Circuits Configuring Circuits A circuit on the CSS is a logi cal entity that maps IP inte rfaces to a logical port or group of logical po rts, for example, a VL AN. Each VLAN circuit requires an IP addr[...]

  • Page 60

    Chapter 1 Configu ring Interfaces and Circuits Configuring Circuits 1-32 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring a Circuit IP Address T o assign an I P address to a cir cuit, use the ip address command. Enter the IP address and a subnet mask in CIDR bi t-count notation or a mask i n dotted-d[...]

  • Page 61

    1-33 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Circuits Configuring Circui t-IP Redirects By default, the t ransmission of Internet Control Messag e Protocol (ICMP) redirect messages is enabled. T o disa ble the transmission of ICMP redirect message[...]

  • Page 62

    Chapter 1 Configu ring Interfaces and Circuits Configuring Circuits 1-34 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Use the router -discovery prefer ence command to specify the preference le vel for the advertised CSS circui t IP address, relati ve to other de vices on the same network. Th e value is an i [...]

  • Page 63

    1-35 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Circuits This section includes the following topics: • Config uring the Router -Discov ery Lifetime • Config uring Router- Discov ery Limited-Broadcast • Config uring the Router -Discov ery Max-Ad[...]

  • Page 64

    Chapter 1 Configu ring Interfaces and Circuits Configuring Circuits 1-36 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring the Router-Discove ry Max-Advertisement-Interval By default, th e maximum interv al timer used for router discov ery advert isement from the circuit VLAN is 600 (10 minutes). U se[...]

  • Page 65

    1-37 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring Circuits Showing Circuits Use the show cir cuits command to sho w circuit information. This command provid es the follo wing options: • show cir cuits - Di splays al l circuit in formatio n for circui[...]

  • Page 66

    Chapter 1 Configu ring Interfaces and Circuits Configuring Circuits 1-38 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Showing IP Interfaces Use the show ip interf aces command to display conf igured IP interf aces on the CSS. The display includes the circuit state, IP address, broadcast address, Internet Con[...]

  • Page 67

    1-39 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring RIP for an IP Interface Configuring RIP for an IP Interface Y ou can confi gure Routing Infor mation Protocol (RIP) attrib utes on each IP interface. T o configure RIP parameters and run RIP on an IP in[...]

  • Page 68

    Chapter 1 Configu ring Interfaces and Circuits Configuring RIP for an IP Interface 1-40 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring a RIP Default Route By default, the CSS advertises a default ro ute on an IP interface with a metric of 1. T o advertise a default route on an IP interf ace with a [...]

  • Page 69

    1-41 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring RIP for an IP Interface Configuring RIP Packet Logging By default, CS S of logging recei ved or transmitted RIP pack ets on the interface is disabled. Use the rip log command to enable the CSS to lo g r[...]

  • Page 70

    Chapter 1 Configu ring Interfaces and Circuits Configuring RIP for an IP Interface 1-42 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Ta b l e 1 - 1 2 describes the fields in the sho w rip command output. T o display global RIP statistics, enter: # show rip globals T abl e 1 -12 Field Descr iptions for th e s[...]

  • Page 71

    1-43 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring RIP for an IP Interface Ta b l e 1 - 1 3 describes the fields in the sho w rip globals command outpu t. T o display the RIP interface st atistics for all RIP interface entries, enter: # show rip statist[...]

  • Page 72

    Chapter 1 Configu ring Interfaces and Circuits Configuring the Switched Po rt Analyzer Feature 1-44 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring the Switched Port Analyzer Feature Config ure the switched port analy zer (SP AN) feature on your CSS to mirror (copy) traf fic passing through one C SS[...]

  • Page 73

    1-45 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring the Switched Port Analyzer Feature Figure 1-3 sho ws an example of SP AN connec tivity with a protocol analyzer connected to port 2/ 13 on a CSS. In this example, the CSS copies all packets recei ved or[...]

  • Page 74

    Chapter 1 Configu ring Interfaces and Circuits Configuring the Switched Po rt Analyzer Feature 1-46 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 This section describes ho w to configure SP AN on a CSS. It includes the f ollow ing topics: • Config uring SP AN on a CSS • V erifying the SP AN Configu ration[...]

  • Page 75

    1-47 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 1 Con figuring Interfaces and Circuits Configuring the Switched Port Analyzer Feature Note If the combined traf fic bandwidt h of the ingress and egress traf fic of the SSP AN port exceeds the bandwidth of the DSP AN port, the DSP A N port may become o [...]

  • Page 76

    Chapter 1 Configu ring Interfaces and Circuits Configuring the Switched Po rt Analyzer Feature 1-48 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Direction Direction of the traf fic that you w ant to monitor at the source port. The dire ction can be one of the follo wing: • copyBoth - The CSS copies packets[...]

  • Page 77

    CH A P T E R 2-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 2 Configuring Spanning-Tree Bridging for the CSS The CSS supports conf iguration of Spanning-T ree Protocol (STP) bridging. Spanning-tree brid ging detects, and then pre vents, loops in the network. U se the bridge command to conf igure global spann[...]

  • Page 78

    Chapter 2 Configuring Spanning-Tree Brid ging for the CSS CSS Spanning-Tre e Bridging Quick Start 2-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 This chapter contains t he follo wing major sections: • CSS Spanning-T ree Bridging Quick Start • Config uring Spanning-T ree Bridge Aging-T ime • Config ur[...]

  • Page 79

    2-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 2 Configuring Spanning-Tree Bridging for the CSS Configuring Spanning-Tree Bridge Aging-Time The follo wing running-configurat ion example sh ows the resul ts of entering the commands in Ta b l e 2 - 1 . !*************************** GLOBAL **************[...]

  • Page 80

    Chapter 2 Configuring Spanning-Tree Brid ging for the CSS Configuring Spanning -Tree Bridge Forward-Time 2-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring Spanning-Tree Bridge Forward-Time The forward time is the delay time, in seconds, that all bridg es use for forward delay when this bridge is a[...]

  • Page 81

    2-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 2 Configuring Spanning-Tree Bridging for the CSS Configuring Spanning-Tree Brid ge Priority T o set the bridge maximu m age to 21, enter: (config)# bridge max-age 21 T o restore the default maximum age o f 6, enter: (config)# no bridge max-age Configurin[...]

  • Page 82

    Chapter 2 Configuring Spanning-Tree Brid ging for the CSS Showing Bridge Configuratio ns 2-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o disable spanning- tree bridging, enter: (config)# bridge spanning-tree disable T o reenable spanning-tr ee bridging, enter: (config)# bridge spanning-tree enable Showi[...]

  • Page 83

    2-7 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 2 Configuring Spanning-Tree Bridging for the CSS Showing Bridge Configur ations Bridge ID The bridge ID of the bri dge. Port The port ID. State The state of the port. The possible states are as follows: • Block - The block ing state. A port en ters the[...]

  • Page 84

    Chapter 2 Configuring Spanning-Tree Brid ging for the CSS Showing Bridge Configuratio ns 2-8 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02[...]

  • Page 85

    CH A P T E R 3-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 3 Configuring Open Shortest Path First This chapter p rovides confi guration and v ie wing information fo r the Open Shortest Path Fir st (OSPF) protocol. Inform ation in this chapter applies to all CSS models, except where noted. Note The CSS suppo[...]

  • Page 86

    Chapter 3 Config uring Open Shortest Path First OSPF Overview 3-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 OSPF Overview OSPF is a link-state routing protocol that : • Provides netw ork topology disco very withi n a group of routers and networ ks called an autonomous system (AS) • Calculates t he sho[...]

  • Page 87

    3-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First OSPF Overview OSPF Routing Hierarchy The OSPF routing hierarchy incl udes the following functions: • Autonomous systems • Areas, including t he backbone an d stub areas • Area Border Routers (ABRs ) • Auton[...]

  • Page 88

    Chapter 3 Config uring Open Shortest Path First OSPF Overview 3-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Autonomous System The autonomous system (AS) is a collectio n of networks, under the same administrati ve control, that share the same routing information wit h each other . An AS is also referred t[...]

  • Page 89

    3-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First OSPF Overview Area Border Routers ABRs hav e multiple interfaces that connect directly to networks in two or more areas. An ABR runs a separate copy of the OSPF algorithm and maintains separate routing data for eac[...]

  • Page 90

    Chapter 3 Config uring Open Shortest Path First OSPF Overview 3-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 ASBR routes can be advertised as type 1 or type2 ASE. The difference between type1 and type2 is ho w the cost is calculated. F or a type2 ASE, only the extern al cost (metric) is used when comparing[...]

  • Page 91

    3-7 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First CSS OSPF Configuration Quick Start CSS OSPF Configuration Quick Start This section includes the following topics: • Global OSPF Confi guration Quick Start • OSPF IP Interface Conf iguration Quick Start • V er[...]

  • Page 92

    Chapter 3 Config uring Open Shortest Path First CSS OSPF Configuration Quick Start 3-8 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 The follo wing running-configurat ion example sh ows the resul ts of entering the commands in Ta b l e 3 - 1 . !*************************** GLOBAL *************************** os[...]

  • Page 93

    3-9 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First CSS OSPF Configuration Quick Start OSPF IP Interface Configuration Quick Start T o configur e OSPF on a CSS IP interf ace, see the steps in Ta b l e 3 - 2 . In the most basic IP interface conf iguration, you need t[...]

  • Page 94

    Chapter 3 Config uring Open Shortest Path First CSS OSPF Configuration Quick Start 3-10 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 The follo wing running-configurat ion example sh ows the resul ts of entering the commands in Ta b l e 3 - 2 . !************************** CIRCUIT ************************** ci[...]

  • Page 95

    3-11 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First CSS OSPF Configuration Quick Start Verifying Your Configuration T o verify the OSPF global and interface configurations, use the show ospf command and its options. F or example: • T o show the OSPF global config[...]

  • Page 96

    Chapter 3 Config uring Open Shortest Path First Configuring O SPF on the CSS 3-12 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring OSPF on the CSS This section includes the following topics: • Configuri ng the OSPF Router ID • Enabling OSPF • Config uring an Area • Config uring Equal-Cost Rou[...]

  • Page 97

    3-13 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on the CSS Enabling OSPF After you assign the router ID to the C SS, globally enable OSPF on the CSS. Use the ospf enable command to enable OSPF . For example: (config)# ospf enable T o disable OS[...]

  • Page 98

    Chapter 3 Config uring Open Shortest Path First Configuring O SPF on the CSS 3-14 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o propagate summary LSAs in the stub area, include the send-summaries option. F or example: (config)# ospf area 0.0.0.1 stub send-summaries Removing an Area T o remove an OSPF area[...]

  • Page 99

    3-15 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on the CSS Define an address range by specifying an IP addres s and subnet mask that represents networ ks in the area bein g summarized. Enter the IP address and subnet mask in dotted-decimal no t[...]

  • Page 100

    Chapter 3 Config uring Open Shortest Path First Configuring O SPF on the CSS 3-16 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o advertise a route as OSPF ASE through all OSPF int erfaces or generate a default ro ute, see the follo w ing sections. • Advertising a Rout e as an OSPF ASE Route • Advertisi[...]

  • Page 101

    3-17 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on the CSS Star t Is OSPF Enabled? Ye s N o No VIP IS NO T advertised Are OSPF advertisements configured? Address IS NO T advertised 96931 Address IS NO T advertised VIP IS NO T advertised VIP IS [...]

  • Page 102

    Chapter 3 Config uring Open Shortest Path First Configuring O SPF on the CSS 3-18 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 The ASBR can perform ext ernal route summarization to consolidate mul tiple routes into a singl e advertisement. F or a CSS, this consolidation is useful when you want to adv ertise [...]

  • Page 103

    3-19 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on the CSS Optionally , you can def ine any of the follo wing: • The network cost for the route b y including the metric opt ion. Enter a numbe r from 1 to 16777215. The d efault is 1. • A 32-[...]

  • Page 104

    Chapter 3 Config uring Open Shortest Path First Configuring O SPF on the CSS 3-20 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 !************************** SERVICE ************************** service c100 ip address 1.1.1.100 !IP address for critical service active service s1 ip address 2.1.1.1 !IP address for[...]

  • Page 105

    3-21 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on the CSS Optionally , you can def ine any of the follo wing: • The network cost for an OSPF default route b y including the metric option. If a defaul t route metric is defi ned, the router ad[...]

  • Page 106

    Chapter 3 Config uring Open Shortest Path First Configuring OSPF on a CSS IP Interface 3-22 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Optionally , you can def ine any of the follo wing: • The network cost for the route b y including the metric opt ion. Enter a numbe r from 1 to 16,7 77,215. The default [...]

  • Page 107

    3-23 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on a CSS IP Interface Configuring the CSS IP Interface as an OSPF Interface An OSPF interface is an IP interf ace that you configure to send and recei ve OSPF traf fic. T o configure the CSS IP i [...]

  • Page 108

    Chapter 3 Config uring Open Shortest Path First Configuring OSPF on a CSS IP Interface 3-24 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Assigning an OSPF Area to the Interface After you configure the IP interface as an O SPF interf ace, assign it to the area that you globally conf igured to the CSS. The def[...]

  • Page 109

    3-25 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on a CSS IP Interface • Setting the Priority of th e CSS • Setting the Retransmission Interv al • Setting the T ransit-Link Delay Setting the Cost T o set the cost for sending a data packet [...]

  • Page 110

    Chapter 3 Config uring Open Shortest Path First Configuring OSPF on a CSS IP Interface 3-26 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Setting the Hello Packet Interval Router interfaces periodically transmit hello pack ets to identify and mai ntain communications with thei r neighbors. When a rout er dete[...]

  • Page 111

    3-27 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Configuring OSPF on a CSS IP Interface Setting the Poll Interval The poll interv al is the length of time, in seconds, between the transmittal of hello packets b y the CSS to an assumed inacti ve neighbo r router [...]

  • Page 112

    Chapter 3 Config uring Open Shortest Path First Configuring OSPF on a CSS IP Interface 3-28 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o reset the router priority to the default v alue of 1, enter: (config-circuit-ip[VLAN6-3.1.2.2])# no ospf priority Setting the Retransmission Interval The retransmission[...]

  • Page 113

    3-29 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Showing OSPF Information Showing OSPF Information Use the show ospf co mmand to vie w OSPF information on the CSS. This command is a vai lable in all modes. This section i ncludes the follo wing topics: • Show i[...]

  • Page 114

    Chapter 3 Config uring Open Shortest Path First Showing OSPF Information 3-30 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Showing Global Statistics T o sho w OSPF global statistics, enter: # show ospf global Ta b l e 3 - 4 describes the f i elds in the show ospf global co mmand output. LSAs The number of li[...]

  • Page 115

    3-31 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Showing OSPF Information Showing IP Interface Information T o show OSPF interfaces, enter: # show ospf interfaces Ta b l e 3 - 5 describes the f i elds in the show ospf interfaces command output. T able 3-5 Field [...]

  • Page 116

    Chapter 3 Config uring Open Shortest Path First Showing OSPF Information 3-32 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 State The functional lev el of a n interface. The state determines whether full adjacencies are allowed to form ov er the interface. The states include: • Down - The initial interf ace[...]

  • Page 117

    3-33 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Showing OSPF Information Priority The priority ass igned to t he interface advertise d in the he llo packets. When tw o routers attached to a netw ork both attempt to become the desi gnated router , the router wit[...]

  • Page 118

    Chapter 3 Config uring Open Shortest Path First Showing OSPF Information 3-34 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Showing Link-State Databases Y ou can show the entire OSPF link-state database (LSDB) or its specif ic entry types with the show ospf lsdb c om m a nd . The option s for the show ospf ls[...]

  • Page 119

    3-35 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Showing OSPF Information T o sho w the entire database, enter: # show ospf lsdb Ta b l e 3 - 6 describes the f i elds in the show ospf lsdb command output . T ab le 3-6 Field Descriptions for the sho w ospf lsdb C[...]

  • Page 120

    Chapter 3 Config uring Open Shortest Path First Showing OSPF Information 3-36 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 AD V Router This f i eld specifi es the OSPF Router ID of the LSA originator , as follows: • ASB-Summary LSAs, the originat ors are the ABRs • AS-external LSAs, the originators are A[...]

  • Page 121

    3-37 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Showing OSPF Information Showing ASE Entries T o sho w AS-extern al (ASE) entries in the LSDB, enter: # show ospf ase T o fi nd specific entri es, pipe the output thr ough the grep command. For e xample: show ospf[...]

  • Page 122

    Chapter 3 Config uring Open Shortest Path First Showing OSPF Information 3-38 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 For e xample: # show ospf advertise 192.168.11.1/24 Ta b l e 3 - 8 describes the f i elds in the show ospf adve rtise command output. T able 3 -8 Field Descr iptions for th e show ospf a[...]

  • Page 123

    3-39 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Showing OSPF Information Showing the Redistribution Policy T o sho w the confi gured redistrib ution policy into OSPF , enter: # show ospf redistribute Ta b l e 3 - 9 describes the f i elds in the show ospf re dis[...]

  • Page 124

    Chapter 3 Config uring Open Shortest Path First Showing OSPF Information 3-40 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Showing Summary Route Configuration Information T o sho w the summary-route con figur ation information, en ter: # show ospf range Ta b l e 3 - 1 0 describes the fields in the sho w ospf[...]

  • Page 125

    3-41 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First Showing OSPF Information Prio The router priority of the ne ighboring router . Co ntained in the neighbor’ s hello packets, this v alu e is used by OSPF to select the designated router for the attached netwo rk.[...]

  • Page 126

    Chapter 3 Config uring Open Shortest Path First Showing OSPF Information 3-42 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 State/Dr (cont.) • Exchange - In this state, th e CSS sends DD packets to the neighbor to describe it s entire link-state database. Each DD packet has a DD sequen ce number and is expl[...]

  • Page 127

    3-43 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 3 Con figuring Open Shortest Path First OSPF Config uration in a Star tup-Configur ation File OSPF Configuration in a Startup-Configuration File The follo wing exampl e shows an OSPF conf iguration in a start up-configuration file. !********************[...]

  • Page 128

    Chapter 3 Config uring Open Shortest Path First OSPF Configuration in a Star tup-Configuration File 3-44 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02[...]

  • Page 129

    CH A P T E R 4-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 4 Configuring the Address Resolution Protocol This chapter descri bes how to configure Address Resolution Proto col (ARP) to statically configure the IP to Media Ac cess Control (MA C) translations necessary for the CSS to send data to network node [...]

  • Page 130

    Chapter 4 Configuring the Address Resolutio n Protocol ARP Configuration Quick Start 4-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 ARP Configuration Quick Start Ta b l e 4 - 1 pro vides a quick o vervie w of the steps required to co nfigu re a static ARP map. Each step includes the CLI command req uired t[...]

  • Page 131

    4-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 4 Configuring the Address Re solution Protocol Configuri ng ARP Configuring ARP T o define a static ARP mapping, use the arp command. The syntax for this global confi guration mode command is: arp ip_or_host mac_addr ess interface { vlan } The v ariables[...]

  • Page 132

    Chapter 4 Configuring the Address Resolutio n Protocol Immediately Refres hing the Bridge Forwardin g Table for a MAC Dow n Event 4-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Immediately Refreshing the Bridge Forwarding Table for a MAC Down Event By default, when the CSS recei ves a Do w n e vent f or a [...]

  • Page 133

    4-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 4 Configuring the Address Re solution Protocol Configuring ARP Wait T o restore the default timeout v alue of 14400 seconds, enter: (config)# no arp timeout T o remov e all entries with the old t imeout v alue, enter the clear a rp cache command. Configu[...]

  • Page 134

    Chapter 4 Configuring the Address Resolutio n Protocol Showing ARP Information 4-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Use the clear arp cache command to delete dynamic entries from the ARP cache. T o specify an address for the single ARP entry you want to remo ve from the ARP cache, use the clear a[...]

  • Page 135

    4-7 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 4 Configuring the Address Re solution Protocol Showing ARP Information • summary - Displays the total numb er of static entries, total n umber of dynamic entries, and total numb er of entries in the ARP resoluti on table, exclud ing the entries from th[...]

  • Page 136

    Chapter 4 Configuring the Address Resolutio n Protocol Showing ARP Information 4-8 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o display the global ARP con figurat ion, enter: # show arp config Ta b l e 4 - 4 describes the f i elds in the show arp conf ig command output. T o display the host IP addr esses[...]

  • Page 137

    4-9 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 4 Configuring the Address Re solution Protocol Showing ARP Information Ta b l e 4 - 5 describes the f i elds in the show arp management- port command output. T o display the resolutio n for a host IP address, enter: # show arp 192.50.1.6 T o display the [...]

  • Page 138

    Chapter 4 Configuring the Address Resolutio n Protocol Showing ARP Information 4-10 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02[...]

  • Page 139

    CH A P T E R 5-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 5 Configuring Routing Information Protocol The CSS enables you to conf igure global Routing Information Protocol (RIP) attributes used to adv ertise routes on the CSS. By default, RIP advertises RIP routes and local routes for interfaces running RIP[...]

  • Page 140

    Chapter 5 Configuring Routing Informatio n Protocol RIP Configuration Quick Start 5-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 RIP Configuration Quick Start Ta b l e 5 - 1 pro vides a quick o vervie w of the steps required to configure gl obal RIP attrib utes for the CSS. Each step includes the CLI comma[...]

  • Page 141

    5-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 5 Configuring Routing Information Protocol Configuring RIP Advertise Configuring RIP Advertise T o advertise a route through RIP on the CSS, use the rip advertise command. The syntax for this command is: rip advertise ip_addr ess subnet_mask { metric } T[...]

  • Page 142

    Chapter 5 Configuring Routing Informatio n Protocol Configuring Equal- Cost RIP Routes 5-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 The options and v ariables for this command are as follows: • fi re w a l l - Advertises fi rew all routes through RIP . • local - Ad vertises local rout es (interfaces [...]

  • Page 143

    5-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 5 Configuring Routing Information Protocol Showing RIP Configurations Showing RIP Configurations Use the show rip command to show a RIP conf iguration for one IP address or all IP addresses conf igured in the CSS. This command pro vides the follo wing op[...]

  • Page 144

    Chapter 5 Configuring Routing Informatio n Protocol Showing RIP Configurations 5-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T o display global RIP statistics, enter: # show rip globals Ta b l e 5 - 3 describes the f i elds in the show rip global s command output. T o display the RIP interface st atistics[...]

  • Page 145

    5-7 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 5 Configuring Routing Information Protocol Showing RIP Configurations Ta b l e 5 - 4 describes the f i elds in the show rip stat istics command output. T able 5 -4 Field Descr iptions for th e show r ip statistics Command Field Description System Route C[...]

  • Page 146

    Chapter 5 Configuring Routing Informatio n Protocol Showing RIP Configurations 5-8 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02[...]

  • Page 147

    CH A P T E R 6-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 6 Configuring the Internet Protocol This chapter pro vides information to conf igure the Internet Protocol (IP) for the CSS and contains the follo wing major sections: • IP Confi guration Quick Start • Config uring an IP Route • Disabling an I[...]

  • Page 148

    Chapter 6 Configur ing the Internet Protocol IP Configuration Quick Start 6-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 IP Configuration Quick Start Ta b l e 6 - 1 provides a quick overvie w of the steps require d to setup the IP configuration for the CSS. Each step includes the CLI command required to co[...]

  • Page 149

    6-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Configuring an IP Route The follo wing running-configurat ion example sh ows the resul ts of entering the commands in Ta b l e 6 - 1 . !*************************** GLOBAL *************************** ip no-implicit-ser[...]

  • Page 150

    Chapter 6 Configur ing the Internet Protocol Configuring an IP Route 6-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Use the ip route command to conf igure an IP route. Y ou can configure a static route, a default static IP r oute, a blackhole route (where t he CSS drops any packets addressed to the route),[...]

  • Page 151

    6-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Configuring an IP Route • fi re w a l l - Configures a f irewall route. The fir e w a l l option instructs th e CSS to use firewall load balancin g for this ro ute. Y o u can optiona lly set the administrativ e dist[...]

  • Page 152

    Chapter 6 Configur ing the Internet Protocol Disabling an Implicit Service fo r the Static Route Next Hop 6-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Disabling an Implicit Service for the Static Route Next Hop By default, the CSS establi shes an implicit (or internal) servi ce for the gate way address w[...]

  • Page 153

    6-7 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Configuring an IP Source Rou te For e xample: (config)# ip no-implicit-service T o reset th e default settin g, enter: (config)# no ip no-implicit-service Configuring an IP Source Route T o enable the CSS to process f[...]

  • Page 154

    Chapter 6 Configur ing the Internet Protocol Configuring the IP Record Route 6-8 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Configuring the IP Record Route T o enable the C SS to process frames with the IP addres s of each rout er along a path, use the ip record-r oute command. For e xample: (config)# ip r[...]

  • Page 155

    6-9 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Configuring IP Equal-Cost Multipath Configuring IP Equal-Cost Multipath T o set the equal-cost multipath (ECMP) selection algorithm and the pr eferred re verse e gress path, use the ip ecmp co mmand. The CSS supports [...]

  • Page 156

    Chapter 6 Configur ing the Internet Protocol Forwarding IP Subne t Broadcast Addressed Frames 6-10 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Forwarding IP Subnet Broadcast Addressed Frames T o enable the CSS t o forward sub net broadcast addressed frames, use the ip subnet-br oadcast command. For e xample[...]

  • Page 157

    6-11 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Configuring IP Opportunistic Layer 3 Forw arding T o restore the default behavior of the CSS, enter: (config)# no ip uncond-bridging Configuring IP Opportunistic Layer 3 Forwarding The CSS opportunistic Layer 3 forw [...]

  • Page 158

    Chapter 6 Configur ing the Internet Protocol Configuring IP Opportuni stic Layer 3 Forwarding 6-12 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Using opportu nistic Layer 3 forwarding, th e CSS inspects the IP packet header t o determine the destination IP address. Ins tea d of forwarding the packet to Route[...]

  • Page 159

    6-13 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Configuring Advanced Route Re mapping Configuring Advanced Route Remapping T o configure a CSS to remap flo ws using the best av ailable route, use the ip advanced-r oute-remap command. Th e syntax of this gl obal co[...]

  • Page 160

    Chapter 6 Configur ing the Internet Protocol Showing IP Configur ation Information 6-14 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Showing IP Global Configuration Parameters Use the show ip config command to display IP global configurati on parameters. These parameters sho w the state (enabled or disabled)[...]

  • Page 161

    6-15 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Showing IP Configuration Infor mation Showing IP Interface Information Use the show ip interf aces command to display conf igured IP interf aces on the CSS. The display includes the circuit state, IP address, broadca[...]

  • Page 162

    Chapter 6 Configur ing the Internet Protocol Showing IP Configur ation Information 6-16 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Showing IP Routing Information Use the show ip routes comman d to display IP rout ing information. The synt ax and options for thi s command are as follo ws: • show ip r oute[...]

  • Page 163

    6-17 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Showing IP Configuration Infor mation Showing IP Statistics Use the show ip statistics command to display aggregat e TCP statistics for the CSS or module in a CSS 1150 3 or 11506 chassi s. The syntax for this co mman[...]

  • Page 164

    Chapter 6 Configur ing the Internet Protocol Showing IP Configur ation Information 6-18 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Output D atagrams The total num ber of flow-related UDP datagrams sent from the CSS. Input Errors The numbe r of recei ve d UDP datagrams that could not be deli vered for reaso[...]

  • Page 165

    6-19 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Showing IP Configuration Infor mation Passi ve Opens The number of times TCP connections ha ve made a direct tran sition to th e SYN-RCVD state from the LISTEN state. Resets The number of t imes TCP connections hav e[...]

  • Page 166

    Chapter 6 Configur ing the Internet Protocol Showing IP Configur ation Information 6-20 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T imestamp Reply The number of sent ICMP T imestamp Reply messages. Information Reply The number of recei ved ICMP information reply packets. Mask Reply The number of recei ved[...]

  • Page 167

    6-21 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 6 Configuring the Int ernet Protocol Showing IP Configuration Infor mation Resetting IP Statistics T o set the global IP (TCP/UDP) statistics fo r the CSS to zero, use the zero ip statistics command in any mode. This command sets the TCP/UDP stat istics[...]

  • Page 168

    Chapter 6 Configur ing the Internet Protocol Showing IP Configur ation Information 6-22 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 T able 6 -6 Field Descr iptions for the show ip summary Command Field Description Reachable Routes The current number of reachable routes. T otal Routes The current number of r[...]

  • Page 169

    CH A P T E R 7-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 7 Configuring the Cisco Discovery Protocol The Cisco Discovery Protocol (CD P) is a medium-indep endent protoc ol that runs ov er Layer 2 (the data link layer) on the CSS and other Cisco manuf a ctured equipment, such as routers, sw itches, bridges,[...]

  • Page 170

    Chapter 7 Configuring the Cisco Discovery Protocol CDP Configuration Quick Start 7-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 This chapter contains t he follo wing major sections: • CDP Config uration Quick Start • Enabling CDP • Setting the CDP Hold T ime • Setting the CDP T ransmission Rate •[...]

  • Page 171

    7-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 7 Configuring the Cisco Disc overy Protocol Enabling CDP The follo wing running-configurat ion example sh ows the resul ts of entering the commands in Ta b l e 7 - 1 . !*************************** GLOBAL *************************** cdp run cdp holdTime 2[...]

  • Page 172

    Chapter 7 Configuring the Cisco Discovery Protocol Setting the CDP Transmission Rate 7-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Setting the CDP Transmission Rate By de fa ult , th e frequency at which the CSS transmits CDP pack ets to all recei v ing CD P - co mp a t ib l e d ev ic e s is 60 seconds. T[...]

  • Page 173

    CH A P T E R 8-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 8 Configuring the DHCP Relay Agent The Dynamic Host Conf iguration Protoc ol (DHCP) servers pro vide configuration parameters to DHCP clients. When DHCP clients and associated servers do not reside on the same IP n etwork or subn et, a DHCP relay a [...]

  • Page 174

    Chapter 8 Con figuring the DHCP Re lay Agent DHCP Relay Agent Config uration Quick Start 8-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 DHCP Relay Agent Configuration Quick Start Ta b l e 8 - 1 pro vides a quick ov erview of the st eps required to conf igure the DHCP relay agent for the cir cuit. Each step[...]

  • Page 175

    8-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 8 Configuring the DHCP Rela y Agent Adding a DHCP Destination on a Circuit Adding a DHCP Destination on a Circuit A CSS circuit acts as the DHCP relay ag ent. F or each circuit on the CSS, you can confi gure a maximum of f iv e DHCP destinations. The ini[...]

  • Page 176

    Chapter 8 Con figuring the DHCP Re lay Agent Defining the Hops Field Value for Forwarding DHCP Messages 8-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 Defining the Hops Field Value for Forwarding DHCP Messages The CSS forwards or discards a DHCP message based on the hops field value in the BOO T P header .[...]

  • Page 177

    8-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Chapter 8 Configuring the DHCP Rela y Agent Displaying the DHCP Relay Configuration Circuit The circui t config ured for DHCP . IfAddress The interface a ddress fo r the circuit. DHCP State The DHCP relay agent stat e on the circui t (Enabled or Disabled). Relay[...]

  • Page 178

    Chapter 8 Con figuring the DHCP Re lay Agent Displaying the DHCP Relay Configuration 8-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02[...]

  • Page 179

    IN-1 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 INDEX A aging time, configurin g for bridging 2-3 ARP clearing parameters 4-5 configuring for CSS 4-3 displaying info rmation 4-6 immediatel y refreshing the br idge forwardi ng table for a MAC Dow n event 4-4 running-config examp le 4-2 timeout, configurin g 4[...]

  • Page 180

    Index IN-2 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 circuit configuring 1-31 configuring DHCP relay destination 8-3 displaying D HCP relay info rmation 8-4 enabling or disabling DHCP relay ag ent 8-3 IP address, removing from circuit 1-32 IP interfa ce, configuring 1-31 overview 1-1 quick start 1-4 route[...]

  • Page 181

    IN-3 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Index ARP, configuring for CSS 4-3 CDP, configuring 7-1 opportunistic layer 3 forw arding 6-11 RIP, configuring 5-1 D default IP ro ute, configuri ng 6-3 default VLAN, re storing 1-11, 1-13 DHCP. See Dynamic Host Configuration Protocol disabling bridge spanning[...]

  • Page 182

    Index IN-4 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 I ICMP redirect message transmission, disabling 1-33 implicit service, disa bling 6-6 interface auto-neg otiate 1-8 bridging to VLA N 1-11 configuring 1-6, 1-7 configuring Port Fast 1-16 describing 1-7 displayin g statistics 1-24 duplex and speed, conf [...]

  • Page 183

    IN-5 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Index OSPF advertising other rout es through OSPF 3-21 area border routers 3-5 areas 3-4 autonomous system 3-4 autonomous system bo undary routers 3-5 basic networ k topology 3-3 configuring global parameters 3-12 configuring IP inter face parameters 3-22 CSS I[...]

  • Page 184

    Index IN-6 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 P packet storms, preventing 2-5 panning-tree bridging running-config examp le 2-3 pathcost, confi guring for bridging 1-15 port analyzing 1-44 auto-neg otiate 1-8 configuring Port Fast 1-16 DSPAN 1-44 enabling BPDU guard 1-17 enabling Port Fast 1-17 int[...]

  • Page 185

    IN-7 Cisco Content Services Switch Routing and Bridgi ng Config uration Guide OL-8241-02 Index router-discovery max-adver tisement-interval default valu e 1-36 router discovery preference 1-34 RIP advertise, configuring 5-3 advertise, stopping 5-3, 7-3, 7-4 default-route, co nfiguring 1-40 displayin g configurati ons 1-41, 5-5 equal cost, configuri[...]

  • Page 186

    Index IN-8 Cisco Content Services Switch Ro utin g and Bridg ing Configuration Guid e OL-8241-02 OSPF redistribution policy 3-39 OSPF summary-route configuration 3-40 RIP 5-5 shutting down all interfaces 1-29 interface stack layer 1-29 smurf attacks caution 6-10 SPAN configuring 1-46 displaying info rmation 1-47 example 1-45 overview 1-44 verifying[...]