Cisco Systems 78-6897-01 User Manual

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ATM Switch Router

Quick Software

Configuration Guide

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ATM Switch Router Quick Software Configuration Guide

Copyright © 1999, Cisco Systems, Inc.
All rights reserved.

About This Guideix

Purposeix
Audienceix
Organizationx
Related Documentationx
Conventionsxi
Cisco Connection Onlinexii
Documentation CD-ROMxiii

Chapter 1 Using the Command-Line Interface1-1

Getting Help1-2
Understanding Command Modes1-2
Understanding Interface Numbering1-3

Card Numbering1-4
Subcard Numbering1-5
Processor Card Numbering1-6
Port Numbering1-6
Example of Interface Numbering1-7

CONTENTS

Undoing a Command or Feature1-8
Displaying the Configuration1-8
Saving Configuration Changes1-9
Where to Go Next1-10

Chapter 2 Getting Started2-1

Naming the ATM Switch Router2-1
Assigning a Password2-3
Setting Up Remote Administrative Access2-4

Contents v

Chapter 3 Configuring SVCs, PVCs, SoftPVCs, PVPs, and VPTunnels3-1

Configuring SVCs3-1

Configuring the Router3-2

Configuring Signaling on t he Routers3-3
Configuring the IP Address and ESI Address3-4
Determining the NSAP Address3-6
Configure a Map Group and Map List3-7

Configuring PVCs3-9

Configuring the ATM Switch Router3-10
Configuring the Router3-12

Configuring Soft PVCs3-13

Configuring the ATM Switch Router3-14

Determining the Destination ATM Switch Router NSAP
Address3-15
Configuring the Source ATM Switch Router3-16

Configuring the Router3-17
Configuring PVPs3-19
Configuring VP Tunnels3-21

Chapter 4 Configuring LANE4-1

Understanding LANE on ATM4-2
Understanding LANE Components4-2
Implementing LANE4-3

Supporting LAN Protocols4-3

Addressing4-3

Assigning Components to Interfaces and Subinterfaces4-4

Configuring LANE Router and LAN Switch Requirements4-4
Configuring a LEC4-5
Configuring the LECS4-6

Configuring the ATM Address of the LECS4-6

Configuring the LECS Database4-7
Configuring the LES/BUS4-8

ATMSwitch Router Quick Software Configuration Guidevi

LANE Configuration Examples4-9

Verifying Connectivity4-15

Confirming Connectivity between the ATM Switch Router and the
Routers4-16
Displaying the LANE Client Configuration on the ATM Switch
Router4-17

Chapter 5 Configuring Tag Switching5-1

Software Restrictions5-1
Configuring Tag Switching on an ATM Switch Router5-2

Enabling Tag Switching on the ATM Interface5-2

Configuring the Routing Protocol5-4
Configuring Tag Switching on a Router5-6
Tag Switching Configuration Example5-7

Index

Contents vii

ATMSwitch Router Quick Software Configuration Guideviii

Purpose

Audience

About This Guide

This preface describes the purpose, audience, organization, and conventions of this
ATMSwitch Router Quick Software Configuration Guide, and provides information on
how to obtain related documentation.

This guide is intended as a starting place for configuring the ATM switch router.
Only a small subset of features are described in this guide. For complete configuration
information, refer to the ATMSwitch Router Software Configuration Guide.

This guide provides quick configuration instructions for experienced network
administrators or engineers who are responsible for the initial configuration of the ATM
switch router.

About This Guide ix

Organization

Organization

This guide is organized as follows:

Chapter Title Description

Chapter 1 Using the Command-Line

Chapter 2 Getting Started Describes how to name the ATM switch

Chapter 3 Configuring SVCs, PVCs,

Chapter 4 Configuring LANE Describes how to configure LANE
Chapter 5 Configuring Tag Switching Describes how to configure tag switching

1 SVCs = switched virtual circuits.
2 PVCs = permanent virtual circuits.
3 LANE = LAN Emulation.

Interface

SoftPVCs, PVPs, and
VPTunnels

Describes what you need to know about the
Cisco IOS software before you begin to
configure the ATM switch router

router, assign a password, and set up remote
administrative access

Describes how to configure the following
virtual connections: SVCs1, PVCs2, soft
PVCs, PVPs, and VP tunnels

3

Related Documentation

This guide is part of the ATM switch router software documentation set, which includes:

• Guide to ATM Technology

• ATMSwitch Router Software Configuration Guide

• ATMSwitch Router Command Reference

ATMSwitch Router Quick Software Configuration Guidex

Conventions

This document uses the following conventions:

Convention Description

boldface font Commands and keywords are in boldface.

italic font Arguments for which you supply values are in italics.
[] Elements in square brackets are optional.
{ x | y | z } Alternative keywords are grouped in braces and separated by vertical

[ x | y | z ] Optional alternative keywords are grouped in brackets and separated

string A nonquoted set of characters. Do not use quotation marks around the

screen font Terminal sessions and information the system displays are in screen

boldface screen font Information you must enter is in boldface screen font.

italic screen font Arguments for which you supply values are in italic screen font.

^ The symbol ^ represents the key labeled Control—for example, the

<> Nonprinting characters, such as passwords are in angle brackets.

Conventions

bars.

by vertical bars.

string or the string will include the quotation marks.

font.

This pointer highlights an important line of text in
an example.

key combination ^D in a screen display means hold down the Control
key while you press the D key.

Notes use the following conventions:

Note Means reader take note. Notes contain helpful suggestions or references to material

not covered in the publication.

About This Guide xi

Cisco Connection Online

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 conventions:

Caution Means reader be careful. In this situation, you might do something that could

result in equipment damage or loss of data.

Cisco Connection Online

Cisco Connection Online (CCO) is Cisco Systems’ primary, real-time support channel.
Maintenance customers and partners can self-register on CCO to obtain additional
information and services.

Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and
value-added services to Cisco’s customers and business partners. CCO services include
product information, product documentation, software updates, release notes, technical
tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings,
and download access to public and authorized files.

CCO serves a wide variety of users through two interfaces that are updated and enhanced
simultaneously: a character-based version and a multimedia version that resides on the
World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit,
Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over
lower bandwidths. The WWW version of CCO provides richly formatted documents with
photographs, figures, graphics, and video, as well as hyperlinks to related information.

ATMSwitch Router Quick Software Configuration Guidexii

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; databits: 8; parity: none; stop bits: 1; and
connection rates up to 28.8kbps.

For a copy of CCO’s Frequently Asked Questions (FAQ), contact [e-mail].
For additional information, contact [e-mail].

Note If you are a network administrator and need personal technical assistance with a

Cisco product that is under warranty or covered by a maintenance contract, contact Cisco’s
Technical Assistance Center (TAC) at 800553-2447, 408526-7209, or [e-mail]. To
obtain general information about Cisco Systems, Cisco products, or upgrades, contact
800553-6387, 408526-7208, or [e-mail].

Documentation CD-ROM

Cisco documentation and additional literature are available in a CD-ROM package, which
ships with your product. The Documentation CD-ROM, a member of the Cisco Connection
Family, is updated monthly. Therefore, it might be more current than printed
documentation. To order additional copies of the Documentation CD-ROM, contact your
local sales representative or call customer service. The CD-ROM package is available as a
single package or as an annual subscription. You can also access Cisco documentation on
the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or
http://www-europe.cisco.com.

If you are reading Cisco product documentation on the World Wide Web, you can submit
comments electronically. Click Feedback in the toolbar and select Documentation. After
you complete the form, click Submit to send it to Cisco. We appreciate your comments.

About This Guide xiii

Documentation CD-ROM

ATMSwitch Router Quick Software Configuration Guidexiv

CHAPTER

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 Numbering

• Undoing a Command or Feature

• Displaying the Configuration

• Saving Configuration Changes

Understanding these concepts will save you time later on. If you have never used the
Cisco IOS software or need a refresher, take a few minutes to read this chapter before you
proceed to the next chapter.

If you are already familiar with the CiscoIOS software, skip this chapter and proceed to the
next chapter, “Getting Started.”

Note This document assumes you have already connected all necessary external devices

to the ATM switch router and configured your PC terminal emulation program for
9600baud, 8 data bits, no parity, and 2 stop bits .

Using the Command-Line Interface 1-1

Getting Help

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 list of command variables, type the command followed by a space and a question
mark:

Switch> show ?

To redisplay a command you previously entered, press the up arrow key. Continue to press
the up arrow key for more commands.

Understanding Command Modes

You use many different command modes when you configure the ATM switch router. Each
command mode restricts you to a subset of commands.

In the following example, notice how the prompt changes after each command to indicate
a new command mode:

Switch> enable
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# line vty 1 4
Switch(config-line)# atm router pnni
Switch(config-atm-router)# exit
Switch(config)# end
Switch#

ATMSwitch Router Quick Software Configuration Guide1-2

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 interface, you need to know how the physical location
of the port adapter or interface module in the chassis corresponds to how it is addressed
(referred to) in the software. In interface configuration mode, you must enter the
card/subcard/port number to configure an interface:

• card—Card number

• subcard—Subcard number

• port—Port number

Card, subcard, and port numbering all start at 0 and increment by 1, from top to bottom, and
from left to right.

Understanding Interface Numbering

Note In the subsections that follow, the Catalyst8540MSR chassis is shown because it is

the most robust system. The Catalyst8540MSR chassis has 13 slots and supports
redundant route processors and switch cards. The Catalyst8510MSR and
LightStream1010 chassis have only 5 slots and do not support redundant route processors
or switch cards. But the numbering scheme concept is the same, regardless of which chassis
you have.

Using the Command-Line Interface 1-3

Understanding Interface Numbering

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)

ATMSwitch Router Quick Software Configuration Guide1-4

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 slot 0 are numbered subcards 0 and 1, from left to right. The port
adapter in the left slot is numbered subcard 0, and the port adapter in the right slot is
numbered subcard 1.

When you apply this numbering scheme to full-width interface modules, the subcard
number is 0, because only one full-width interface module fits in a card slot. See Figure1-2.

So, the subcard portion of the card/subcard/port CLI variable is either 0 or 1 for half-width
port adapters, and 0 only for full-width interface modules. For example, in 0/0/1 the second
0 represents subcard 0.

Figure1-2 Subcard Numbering

Subcard Numbering

Using the Command-Line Interface 1-5

Understanding Interface Numbering

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 Figure1-3.

Figure1-3 Processor Card Numbering (Catalyst8540MSR Route Processor

Shown)

Port Numbering

Port numbering for each subcard starts with 0 and increments by 1, from left to right, as
shown in Figure1-4.

Figure1-4 Port Numbering

ATMSwitch Router Quick Software Configuration Guide1-6

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 derived by:

• Card (12)—The interface module is in the thirteenth slot of the chassis; therefore, the

card number is 12. (Card numbering starts at 0 and increments by 1 from top to bottom.)

• Subcard (0)—The full-width interface module is the only subcard within the twelfth

slot; therefore, the subcard number is 0.

• Port (3)—The callout points to the fourth port on the interface module; therefore, the

port number is 3. (Port numbering starts at 0 and increments by 1 from left to right.)

Figure1-5 Interface Numbering Example (Catalyst8540MSR Shown)

Example of Interface Numbering

Using the Command-Line Interface 1-7

Undoing a Command or Feature

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 configuration by entering more
commands. You can only use more commands in user EXEC and privileged EXEC modes.

To display the current running (unsaved) configuration, enter the more
system:running-config command:

Switch# more system:running-config
Building configuration...

Current configuration:
!
version XX.X
<<Information omitted>>
!
line con 0
line vty 0 4
no login
!
end

To display the saved configuration (stored in nonvolatile random-access memory
[NVRAM]), enter the more nvram:startup-config command.

ATMSwitch Router Quick Software Configuration Guide1-8

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 information
boot Boot and related environment variable
buffers Buffer pool statistics
calendar Display the hardware calendar
cdp CDP information

<<Information omitted.>>

Saving Configuration Changes

Enter the copy system:running-config nvram:startup-config command to save your
configuration changes to NVRAM so that they will not be lost if there is a system reload or
power outage:

Switch# copy system: running-config nvram:startup-config
Building configuration...

Saving Configuration Changes

Depending on the size and complexity of the configuration file, it might take a minute or
two to save the configuration to NVRAM. After the configuration has been saved, the
following displays:

[OK]
Switch#

The ATM switch router contains two types of configuration files: the running configuration
and the startup configuration. The running configuration is the current (unsaved)
configuration that reflects the most recent configuration changes. The startup configuration
is the saved configuration in NVRAM and is used when the system initializes. The two
configuration files provide a safeguard against configuration mistakes. If you make a
mistake while configuring the ATM switch router, you can revert back to the saved startup
configuration by entering the copy nvram: startup-config system:running-config
command. Or you can reboot the ATM switch router (without saving the configuration
changes) to use the startup configuration in NVRAM.

Using the Command-Line Interface 1-9

Where to Go Next

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. If you have 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.

• If you want to disable a feature, enter the keyword no before the command; for example,

no atm router pnni.

• You need to save your configuration changes to NVRAM so that they will not be lost if

a system reload or power outage occurs.

Proceed to the next chapter, “Getting Started,” to begin configuring the ATM switch router.

ATMSwitch Router Quick Software Configuration Guide1-10

CHAPTER

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 ATMSwitch Router

Software Configuration Guide. Refer to the ATMSwitch Router Command Reference

publication for command syntax.

Naming the ATM Switch Router

You can name the ATM switch router to distinguish it from other Cisco devices in your
network. This feature is especially useful when you have multiple console windows open
and you need to distinguish one Cisco device from another. Naming the switch changes the
default prompt (Switch>) to a prompt name of your choice; for example, Nevada_Switch>.

Getting Started 2-1

Naming the ATM Switch Router

Take these steps:

Step Command Purpose

1 Switch> enable
2 Switch# configure terminal

Switch(config)#

3 Switch(config)# hostname name

Name(config)#

4 Name(config)# end

Name#

Example

Switch> enable
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# hostname Nevada_Switch
Nevada_Switch(config)#

Enter privileged EXEC mode.
Enter global configuration mode.

Enter the host name for the switch. Note
that the prompt changes to match the host
name.

Note The pound sign (#) that follows the

host name indicates the current mode of
operation and is added automatically.

Return to privileged EXEC mode.

Verify

Switch# more system:running-config
!
version xx.x
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Nevada_Switch
!
<<Information omitted.>>

ATMSwitch Router Quick Software Configuration Guide2-2