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Cisco Systems 78-6897-01 manuel d'utilisation

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  • Page 1

    Feedback on the ATM Switch Router Quick Software Configuration Guide 78-6897-01 Thank you for taking the time to fill out this response card. Your input is important to us and helps us to provide you with better documentation. If you have comments about this document, please complete this self-addressed response card and mail it to us. We also enco[...]

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    170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Cisco Systems, Inc. Corporate Headquarters Tel: 800 553-NETS (6387) Fax: 408 526-4000 408 526-4100 ATM Switch Router Quick Software Configuration Guide For the Catalyst 8540 MSR, Catalyst 8510 MSR, and LightStream 1010 Customer Order Number: DOC-786897= Text Part Number: 78-6897[...]

  • Page 4

    THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE [...]

  • Page 5

    EtherChannel, EtherSwitch, FastHub, FastLink, FastPAD, FastSwitch, IOS, IP/TV, IPX, LightStream, LightSwitch, MICA, NetRanger, R egistrar, Strat aV iew Plus, Stratm, TeleRouter, and VCO are registered trademarks of Cisco Systems, Inc. in the U.S. and certain other countries. All other trademarks mentioned in this document are the property of their [...]

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    Contents v CONTENTS About This Guid e ix Purpos e ix Audienc e ix Organizatio nx Related Documentatio nx Convention s xi Cisco Connection Onlin e xii Documentation CD-RO M xiii Chapter 1 Using the Command-Line Interfac e 1-1 Getting Hel p 1-2 Understanding Command Mode s 1-2 Understanding Interface Numberin g 1-3 Card Numberin g 1-4 Subcard Numberi[...]

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    ATMSwitch Router Quick Software Configuration Guide vi Chapter 3 Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnel s 3-1 Configuring SVC s 3-1 Configuring the Route r 3-2 C onfiguring Signaling on t he R oute r s 3-3 C onfiguring the IP Address and ESI Addres s 3-4 Determining the NSAP Addres s 3-6 Configure a Map Group and Map Lis t 3-7 Configu[...]

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    Contents vii LANE Configuration Example s 4-9 Verifying Connectivit y 4-15 Confirming Connectivity between the ATM Switch Router and the Router s 4-16 Displaying the LANE Client Configuration on the ATM Switch Route r 4-17 Chapter 5 Configuring Tag Switchin g 5-1 Software Restriction s 5-1 C onfiguring Tag Switching on an ATM Switch Route r 5-2 Ena[...]

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    ATMSwitch Router Quick Software Configuration Guide viii[...]

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    About This Guide ix About This Guide This preface describes the purpose, audience, organization, and conventions of this AT M Switch Router Quick Software Configuration Guide, and provides information on how to obtain related documentation. Purpose This guide is intended as a starting place for configuring the ATM switch router. Only a small subset[...]

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    Organization ATMSwitch Router Quick Software Configuration Guide x Organization This guide is organized as follows: Related Documentation This guide is part of the ATM switch router software documentation set, which includes: • Guide to ATM Technology • AT M Switch Router Software Configuration Guide • AT M Switch Router Command Reference Cha[...]

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    About This Guide xi Conventions Conventions This document uses the following conventions: Notes use the following conventions: Note Means reader take note . Notes contain helpful suggestions or references to material not covered in the publication. Convention Description boldface font Commands and keywords are in boldface . italic font Arguments fo[...]

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    Cisco Connection Online ATMSwitch Router Quick Software Configuration Guide xii Timesavers use the following conventions: Timesaver Means the described action saves time . You can save time by performing the action described in the paragraph. Tips use the following conventions: Tips Means the following are useful tips. Cautions use the following co[...]

  • Page 14

    About This Guide xiii Documentation CD-ROM You can access CCO in the following ways: • WWW : http://www.cisco.com • WWW : http://www-europe.cisco.com • WWW : http://www-china.cisco.com • Telnet : cco.cisco.com • Modem : From North America, 408526-8070; from Europe, 33164464082. Use the following terminal settings: VT100 emulation; databit[...]

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    Documentation CD-ROM ATMSwitch Router Quick Software Configuration Guide xiv[...]

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    CHAPTER Using the Command-Line Interface 1-1 1 Using the Command-Line Interface This chapter describes what you need to know about the Cisco IOS software (the software that runs the ATM switch router) before you begin to configure it, and includes the following sections: • Getting Help • Understanding Command Modes • Understanding Interface N[...]

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    Getting Help ATMSwitch Router Quick Software Configuration Guide 1-2 Getting Help You can use the question mark (?) and arrow keys to help you enter commands. For a list of available commands, type the question mark: Switch> ? To complete a command, type a few known characters followed by the question mark (with no space): Switch> s? For a li[...]

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    Using the Command-Line Interface 1-3 Understanding Interface Numberin g Tips If you are having difficulty entering a command, check the prompt and then enter the question mark (?) for a list of available commands. You might be in the wrong command mode or using the wrong syntax. Understanding Interface Numberin g Before you can configure a software[...]

  • Page 19

    Understanding Interface Numberin g ATMSwitch Router Quick Software Configuration Guide 1-4 Card Numbering Card numbering starts at 0 and increments by 1 from top to bottom, as shown in Figure1-1. The card number slots are silkscreened on the left side of each slot. Figure1-1 Card Numbering (Catalyst8540MSR Shown)[...]

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    Using the Command-Line Interface 1-5 Subcard Numbering Subcard Numbering Subcards are numbered from 0 to 1, left to right. Subcards include half-width port adapters and full-width interface modules (such as an OC-12 interface module). Two half-width port adapters can occupy one chassis slot. Figure1-2 shows that the two half-width port adapters in [...]

  • Page 21

    Understanding Interface Numberin g ATMSwitch Router Quick Software Configuration Guide 1-6 Processor Card Numbering The CPU interface on the processor card is addressed as either ethernet 0 or atm 0 , depending on the type of configuration. The other interfaces on the processor card start with 0 and increment by 1. See Figur e 1-3. Figure1-3 Proces[...]

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    Using the Command-Line Interface 1-7 Example of Interface Numbering Example of Interface Numbering Figure1-5 shows a Catalyst8540MSR chassis populated with several half-width port adapters and full-width interface modules. In this example, 12/0/3 is called out in the last interface module installed in the chassis. The 12/0/3 interface number is der[...]

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    Undoing a Command or Feature ATMSwitch Router Quick Software Configuration Guide 1-8 Undoing a Command or Feature If you want to undo a command you entered or disable a feature, you can enter the keyword no before most commands; for example, no atm router pnni . Displaying the Configuration You can display various aspects of the ATM switch router c[...]

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    Using the Command-Line Interface 1-9 Saving Configuration Changes To see a complete list of available more commands, enter the more ? command: Switch# more ? access-lists List access lists accounting Accounting data for active sessions aliases Display alias commands arp ARP table async Information on terminal lines used as router interfaces atm ATM[...]

  • Page 25

    Where to Go Next ATMSwitch Router Quick Software Configuration Guide 1-10 Where to Go Next Now that you have learned some CiscoIOS software basics, you can begin to configure the ATM switch router. Remember that: • You can use the question mark (?) and arrow keys to help you enter commands. • Each command mode restricts you to a set of commands[...]

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    CHAPTER Getting Started 2-1 2 Getting Started This chapter describes basic software configuration of the ATM switch router, and includes the following sections: • Naming the ATM Switch Router • Assigning a Password • Setting Up Remote Administrative Access Note For more software configuration information, refer to the AT M Switch Router Softw[...]

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    Naming the ATM Switch Router ATMSwitch Router Quick Software Configuration Guide 2-2 Take these steps: Example Switch> enable Switch# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)# hostname Nevada_Switch Nevada_Switch(config)# Verify Switch# more system:running-config ! version xx.x no service pad[...]

  • Page 28

    Getting Started 2-3 Assigning a Password Assigning a Password Configure an administrative password on the ATM switch router to prevent unauthorized configuration changes. Take these steps: Example Switch> enable Switch# configure terminal Switch(config)# enable password guessme Switch(config)# exit Switch# Verify Switch# exit Switch con0 is now [...]

  • Page 29

    Setting Up Remote Administrative Access ATMSwitch Router Quick Software Configuration Guide 2-4 Setting Up Remote Administrative Access You can configure the Ethernet interface on the processor card (CPU card) so that you can Telnet to the ATM switch router and configure it remotely. This section describes how to configure the Ethernet port for rem[...]

  • Page 30

    Getting Started 2-5 Setting Up Remote Administrative Access Example Switch> enable Switch# configure terminal Switch(config)# ip route 172.20.52.0 255.255.255.0 ethernet 0 Switch(config)# interface ethernet 0 Switch(config-if)# ip address 172.20.52.20 Switch(config-if)# end Switch# Verify Switch# show interface ethernet 0 Ethernet0 is up, line p[...]

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    Setting Up Remote Administrative Access ATMSwitch Router Quick Software Configuration Guide 2-6[...]

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    CHAPTER Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-1 3 Configuring SVCs, PVCs, Sof t PVCs, PVPs, and V P Tunnels This chapter describes how to configure switched virtual circuits (SVCs), permanent virtual circuits (PVCs), s oft PVCs, permanent virtual paths (PVPs), and VP tunnels, a nd includes the following sections: • Configuring S[...]

  • Page 33

    Configuring SVCs ATM Switch Router Quick Software Configuration Guide 3-2 If the SVC terminates on a router, ho wever, configuration is required on the r outer w here the SVC terminates. For your convenience, t he router configuration is d escribed in this section. Figure3-1 shows an example network that illustrates how to set up SVCs. This example[...]

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    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-3 Configuring the Router C onfiguring Signaling on t he R oute rs Configure PVCs for QSAAL and ILMI signaling on the main ATM interfaces of both the source and destination routers that terminate the SVC. Note On the ATM switch router , the signaling and ILMI channels are set up by default and [...]

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    Configuring SVCs ATM Switch Router Quick Software Configuration Guide 3-4 Example Router> enable Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)# interface atm 0 Router(config-if)# atm pvc 1 0 5 qsaal Router(config-if)# atm pvc 2 0 16 ilmi Router(config-if)# end Router# Verify Switch# show a[...]

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    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-5 Configuring the Router Example Router> enable Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)# interface atm 0.1 multipoint Router(config-subif)# ip address 193.153.185.33 255.255.255.224 Router(config-subif)# atm esi-address 99999988[...]

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    Configuring SVCs ATM Switch Router Quick Software Configuration Guide 3-6 Determining the NSAP Address Determine the ATM network service access point (NSAP) address for both the source and destination routers. The NSAP addresses is required to complete the SVC. Enter the 20-byte NSAP address of each router in the space provided below in Table3-1. S[...]

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    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-7 Configuring the Router Example Switch# show interface atm 0.1 ATM0.1 is up, line protocol is up Hardware is ATMizer BX-50 Internet address is 192.153.185.65/27 MTU 4470 bytes, BW 155520 Kbit, DLY 100 usec, rely 255/255, load 1/255 NSAP address: 47.0091810000000061E5B5C01.555555555555.00 Enca[...]

  • Page 39

    Configuring SVCs ATM Switch Router Quick Software Configuration Guide 3-8 Exampl e Router> enable Router# configure terminal Router(config)# interface atm 0.1 multipoint R outer(config- subif) # map-group hawaii Router(config- subif) # no shutdown Router(config-subif)# exit Router(config)# map-list hawaii Router(config-map-list)# ip 192.153.185.[...]

  • Page 40

    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-9 Configuring PVCs Configuring PVCs A PVC is a permanent logical connection that you must configure manually, from source to destination, through the ATM network. Once configured, the ATM network maintains the connection at all times, regardless of traffic flow. That is, the connection is alwa[...]

  • Page 41

    Configuring PVCs ATM Switch Router Quick Software Configuration Guide 3-10 Table3-2 describes the in and out interfaces and associated VPIs/VCIs for the PVC shown in Figur e 3-2 . Configuring the ATM Switch Router Take these steps: Table3-2 VPI/VCIs for the Example PVC Router A Switch B Switch B Switch C Switch C Router D Out In Out In Out In Inter[...]

  • Page 42

    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-11 Configuring the ATM Switch Router Note If the PVC terminates on an A TM switch router, you must terminate the connection on the route processor interface ATM 0 . Th e atm pvc 0 any-vci command allocates the next available VCI value on the route processor interface ATM 0, although you can sp[...]

  • Page 43

    Configuring PVCs ATM Switch Router Quick Software Configuration Guide 3-12 Configuring the Router If the PVC terminates on a router, you must configure a PVC from the router to the ATM switch router. Take these steps: Step Command Purpose 1 Router> enable Router# Enter privileged EXEC mode. 2 Router# configure terminal Router(config)# Enter glob[...]

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    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-13 Configuring Soft PVCs Example Router> enable Router# configure terminal Router(config)# interface atm 0.10 multipoint Router(config-subif)# ip address 192.153.185.33 255.255.255.224 (source router) Router(config-subif)# atm pvc 2 0 50 aal5snap Router(config-subif)# map-group cal Router(c[...]

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    Configuring Soft PVCs ATM Switch Router Quick Software Configuration Guide 3-14 Figure3-3 illustrates how to set up soft PVCs. This example network is used throughout this section. Figure3-3 Example Network for Configuring Soft PVCs Configuring the ATM Switch Router Perform the following tasks on the ATM switch router to set up a soft PVC: • Dete[...]

  • Page 46

    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-15 Configuring the ATM Switch Router Determining t he Destination ATM Switch Router NSAP Address Determine the destination ATM switch router NSAP address for the interface. See the ATM switch router C in Figure3-3. Take these steps: Example Switch# show atm address Switch Address(es): 47.00918[...]

  • Page 47

    Configuring Soft PVCs ATM Switch Router Quick Software Configuration Guide 3-16 Verify Not applicable. Configuring the Source ATM Switch Router Most of the configuration for the soft PVC occurs on the source switch. See the ATM switch router B in Figure3-3. Take these steps: Exampl e S witch# configure terminal Switch(config)# interface atm 3/0/1 S[...]

  • Page 48

    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-17 Configuring the Router Verify The following example displays the soft VC configuration of sw itch B, on interface 3/0/1 out to the ATM network: Switch# show atm vc interface atm 0/0/0 Interface VPI VCI Type X-Interface X-VPI X-VCI Encap Status ATM0/0/0 0 5 PVC ATM0 0 52 QSAAL DOWN ATM0/0/0 [...]

  • Page 49

    Configuring Soft PVCs ATM Switch Router Quick Software Configuration Guide 3-18 Example Router> enable Router# configure terminal Router(config)# interface atm 0.10 Router(config-subif)# ip address 192.153.185.33 255.255.255.224 (source router) Router(config-subif)# atm pvc 2 0 50 aal5snap Router(config-subif)# map-group cal Router(config-subif)[...]

  • Page 50

    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-19 Configuring PVPs Configuring PVPs A VP connection is like a bundle of VCs, transporting all cells with a common VPI, rather than a specific VPI and VCI. A PVP is a provisioned VP (like a PVC). Figure3-4 illustrates how to set up PVPs. This example network is used throughout this section. Fi[...]

  • Page 51

    Configuring PVPs ATM Switch Router Quick Software Configuration Guide 3-20 Take these steps: Example The following example shows how to configure the internal cross c onnect (within the switch) PVP on ATM switch router B between interface 3/0/1, VPI = 2 and interface 3/0/2, VPI = 3: Switch# configure terminal Enter configuration commands, one per l[...]

  • Page 52

    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-21 Configuring VP Tunnels Configuring VP Tunnels A VP tunnel is a method of linking two private ATM networks across a public network that does not support SVCs. The VP tunnel provides a permanent path through the public network. The public network transparently trunks the entire collection of [...]

  • Page 53

    Configuring VP Tunnels ATM Switch Router Quick Software Configuration Guide 3-22 Take these steps: Example The following example shows how to configure the VP tunnel on VPI=99. Switch# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)# interface atm 3/0/2 Switch(config-if)# atm pvp 99 Switch(config-if)# [...]

  • Page 54

    Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels 3-23 Configuring VP Tunnels Verify When the VP tunnel is configured on both ends and the connection is up, the AutoCfgState displays “completed.” Switch# show atm interface atm 3/0/2.99 Interface: ATM3/0/2.99 Port-type: vp tunnel IF Status: UP Admin Status: up Auto-config: enabled AutoCfgSta[...]

  • Page 55

    Configuring VP Tunnels ATM Switch Router Quick Software Configuration Guide 3-24[...]

  • Page 56

    CHAPTER Configuring LANE 4-1 4 Configuring LANE This chapter describes how to configure LAN Emulation (LANE) on the ATM switch router, and includes the following sections: • Understanding LANE on ATM • Understanding LANE Components • Implementing LANE • Configuring a LEC • Configuring the LECS • Configuring the LES/BUS • LANE Configur[...]

  • Page 57

    Understanding LANE on ATM ATMSwitch Router Quick Software Configuration Guide 4-2 Understanding LANE on ATM LANE is a protocol that allows devices attached to traditional LANs (such as Ethernet and Token Ring) to connect to ATM networks. That is, LANE allows legacy LAN users to take advantage of the benefits of ATM without modifying end station har[...]

  • Page 58

    Configuring LANE 4-3 Implementing LANE • LANE server (LES)—A server that registers LECs to join the ELAN. In LANE 1.0, without Simple Server Redundancy Protocol (SSRP), each ELAN has only one Cisco LES, which handles LAN Emulation Address Resolution Protocol (LE_ARP) requests. • Broadcast-and-unknown server (BUS) —A server that floods unkno[...]

  • Page 59

    Implementing LANE ATMSwitch Router Quick Software Configuration Guide 4-4 Assigning Components to Interfaces and Subinterfaces The following rules apply to assigning LANE components to the major ATM interface and its subinterfaces: • The LECS always runs on the major ATM interface. If you assign any other component to the major interface, it is i[...]

  • Page 60

    Configuring LANE 4-5 Configuring a LEC Configuring a LEC This section describes how to configure a LANE client connection from a remote ATM switch router to the processor card (CPU) of a local switch. This connection allows you to configure the ATM switch router remotely. Note This connection is for switch management only. Take these steps: For exa[...]

  • Page 61

    Configuring the LECS ATMSwitch Router Quick Software Configuration Guide 4-6 Configuring the LECS This section describes how to configure the LECS, and includes the following procedures: • Configuring the ATM Address of the LECS • Configuring the LECS Database You must configure the ATM address of the LECS on the ATM switch router. Configuring [...]

  • Page 62

    Configuring LANE 4-7 Configuring the LECS Database For examples of these commands, see the section “LANE Configuration Examples” at the end of this chapter. Configuring the LECS Database Take these steps: 6 Switch(config)# atm address address Configure a new ATM address. 7 Switch(config)# no atm address address Disable the old default ATM addre[...]

  • Page 63

    Configuring the LES/BUS ATMSwitch Router Quick Software Configuration Guide 4-8 For examples of these commands, see the section “LANE Configuration Examples” at the end of this chapter. Configuring the LES/BUS In Cisco’s implementation of LANE, the LES and BUS are treated as one LANE component. You configure the LES and BUS together as one co[...]

  • Page 64

    Configuring LANE 4-9 LANE Configuration Examples LANE Configuration Examples The following examples show how to configure one Cisco 7505 router, one ATM switch router, and one Catalyst 5500 switch for a single ELAN. The ATM switch router contains the LECS, LES, BUS, and a LEC. The remaining router and Catalyst5500 switch each contain an LEC for the[...]

  • Page 65

    LANE Configuration Examples ATMSwitch Router Quick Software Configuration Guide 4-10 ATM Switch Router ATM_Switch# show lane default-atm-addresses interface ATM0: LANE Client: 47.00918100000000E04FACB401.00E04FACB402.** LANE Server: 47.00918100000000E04FACB401.00E04FACB403.** LANE Bus: 47.00918100000000E04FACB401.00E04FACB404.** LANE Config Server:[...]

  • Page 66

    Configuring LANE 4-11 LANE Configuration Examples ATM_Switch# show lane config LE Config Server ATM0 config table: eng_dbase Admin: up State: operational LECS Mastership State: active master list of global LECS addresses (42 seconds to update): 47.00918100000000E04FACB401.00E04FACB405.00 ATM Address of this LECS: 47.00918100000000E04FACB401.00E04FA[...]

  • Page 67

    LANE Configuration Examples ATMSwitch Router Quick Software Configuration Guide 4-12 ATM_Switch# configure terminal Enter configuration commands, one per line. End with CNTL/Z. ATM_Switch(config)# interface atm 0.1 ATM_Switch(config-subif)# lane client ethernet eng_elan ATM_Switch(config-subif)# end ATM_Switch# show lane client LE Client ATM0.1 ELA[...]

  • Page 68

    Configuring LANE 4-13 LANE Configuration Examples Current configuration: ! version 12.0 <Information deleted> ! interface ATM3/0 no ip address atm pvc 1 0 5 qsaal atm pvc 2 0 16 ilmi ! interface ATM3/0.1 multipoint lane client ethernet eng_elan ! <Information deleted> ! end router1# show inter atm 3/0.1 ATM3/0.1 is up, line protocol is [...]

  • Page 69

    LANE Configuration Examples ATMSwitch Router Quick Software Configuration Guide 4-14 ATM# configure terminal Enter configuration commands, one per line. End with CNTL/Z. ATM(config)# interface atm 0 ATM(config-if)# atm pvc 1 0 5 qsaal ATM(config-if)# atm pvc 2 0 16 ilmi ATM(config-if)# end ATM# ATM# configure terminal Enter configuration commands, [...]

  • Page 70

    Configuring LANE 4-15 Verifying Connectivity Verifying Connectivity The following example shows how to use the show lane and ping commands to confirm the connection between the ATM switch router, routers, and LAN switches: ATM Switch Router Switch# show lane LE Config Server ATM0 config table: eng_dbase Admin: up State: operational LECS Mastership [...]

  • Page 71

    LANE Configuration Examples ATMSwitch Router Quick Software Configuration Guide 4-16 LE Client ATM0.1 ELAN name: eng_elan Admin: up State: operational Client ID: 1 LEC up for 1 hour 34 minutes 46 seconds ELAN ID: 0 Join Attempt: 1 HW Address: 00e0.4fac.b402 Type: ethernet Max Frame Size: 1516 ATM Address: 47.00918100000000E04FACB401.00E04FACB402.01[...]

  • Page 72

    Configuring LANE 4-17 Verifying Connectivity Success rate is 100 percent (5/5), round-trip min/avg/max = 1/202/1000 ms ATM_Switch# ping 172.16.0.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.16.0.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/202/1000 ms Displaying the LANE Clie[...]

  • Page 73

    LANE Configuration Examples ATMSwitch Router Quick Software Configuration Guide 4-18[...]

  • Page 74

    CHAPTER Configuring Tag Switching 5-1 5 Configuring Tag Switching This chapter describes how to configure tag switching, and includes the following sections: • Software Restrictions • Configuring Tag Switching on an ATM Switch Router • Configuring Tag Switching on a Router • Tag Switching Configuration Example Note For more software configu[...]

  • Page 75

    Configuring Tag Switching on an ATM Switch Router ATMSwitch Router Quick Software Configuration Guide 5-2 C onfiguring Tag Switching on an ATM Switch Router This section describes how to configure tag switching on an ATM switch router, and includes the following procedures: • Enabling Tag Switching on the ATM Interface • Configuring the Routing[...]

  • Page 76

    Configuring Tag Switching 5-3 Enabling Tag Switching on the ATM Interface Examples Switch(config-if)# interface atm 1/0/1 Switch(config-if)# ip unnumbered loopback 0 Switch(config-if)# tag-switching ip Switch(config-if)# exit Switch(config)# Switch(config)# interface atm 0/0/3 Switch(config-if)# ip address 1.3.11.3 255.255.0.0 Switch(config-if)# ta[...]

  • Page 77

    Configuring Tag Switching on an ATM Switch Router ATMSwitch Router Quick Software Configuration Guide 5-4 Configuring the Routing Protocol Enable the routing protocol ( O SPF ) on the ATM switch router so that it can create routing tables, which identify routes through the network. Then add the addresses and associated routing areas to the routing [...]

  • Page 78

    Configuring Tag Switching 5-5 Configuring the Routing Protocol Example Note An IP address of 1.1.1.1 with a subnet mask of 255.255.255.0 is entered as an IP network prefix of 1.1.1.0 with a subnet mask of 0.0.0.255. Likewise, an IP address of 1.2.1.1 with a subnet mask of 255.255.255.0 is entered as an IP network prefix of 1.2.1.0 with a subnet mas[...]

  • Page 79

    Configuring Tag Switching on a Router ATMSwitch Router Quick Software Configuration Guide 5-6 Configuring Tag Switching on a Router This section describes how to configure tag switching between a router and an ATM switch router. Take these steps: Example Router# configure terminal Router(config)# interface atm 2/0.1 Router(config- sub if)# ip addre[...]

  • Page 80

    Configuring Tag Switching 5-7 Tag Switching Configuration Example Verify Router# show tag-switching interface Interface IP Tunnel Operational ATM2/0.1 Yes No Ye s (ATM tagging) Tag Switching Configuration Example Figure5-1 shows an example tag switching network. Figure5-1 Example Network for Tag Switching Router 5-1 Configuration The configuration [...]

  • Page 81

    Tag Switching Configuration Example ATMSwitch Router Quick Software Configuration Guide 5-8 Router 5-2 Configuration The configuration between router R5-1, interface e0/1, and R5-2, interface e0/1, follows: router_R5-2# configure terminal router_R5-2(config)# ip cef switch router_R5-2(config)# tag-switching advertise-tags router_R5-2(config)# inter[...]

  • Page 82

    Configuring Tag Switching 5-9 Tag Switching Configuration Example The configuration of router R5-3, interface a2/0.1, follows: router_R5-3# configure terminal router_R5-3(config)# interface a2/0.1 router_R5-3(config-if)# ip address 189.25.12.13 255.255.0.0 router_R5-3(config-if)# tag-switching ip router_R5-3(config-if)# no shutdown router_R5-3(conf[...]

  • Page 83

    Tag Switching Configuration Example ATMSwitch Router Quick Software Configuration Guide 5-10 ATM Switch Router A6-4 Configuration The configuration of ATM switch router A6-4, interface a0/1/1, follows: atm_A6-4# configure terminal atm_A6-4(config)# interface a0/1/1 atm_A6-4(config-if)# no shutdown atm_A6-4(config-if)# ip address 189.24.14.12 255.25[...]

  • Page 84

    Index 1 INDEX A administrative access, configuring 2-4 B baud rate, for terminal emulation 1-1 BUS 4-3, 4-8 C card/subcard/port, defined 1-3 changes, saving 1-9 CLI, using 1-1to 1-10 command modes, understanding 1-2 CPU card 2-4 D data bits, for terminal emulation 1-1 disabling a command or feature 1-8 displaying the configuration 1-8 E ELAN 4-2 ES[...]

  • Page 85

    ATMSwitch Router Quick Software Configuration Guide Index 2 LEC 4-2, 4-5 LECS 4-2, 4-6 LES 4-3, 4-8 LES/BUS 4-8 M MAC addresses 4-2 modes, command 1-2 N naming the ATM switch router 2-1 numbering, card/subcard/port 1-3 O OSPF 5-1 P parity, for terminal emulation 1-1 password, creating 2-3 port numbering 1-3 processor card 2-4 prompt, changing 2-1 P[...]

  • Page 86

    Index 3 U unauthorized access, preventing 2-3 undo See disabling V viewing the configuration 1-8 VP tunnels 3-21[...]

  • Page 87

    ATMSwitch Router Quick Software Configuration Guide Index 4[...]