Cisco 2611XM User manual

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Software Configuration Guide
For Cisco 2600 Series, Cisco 3600
Series, and Cisco 3700 Series Routers
Text Part Number: OL-1957-03

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Software Configuration Guide for the Cisco 2600 series, Cisco 3600 Series, and Cisco 3700 Series Routers
Copyright © 2002, Cisco Systems, Inc.
All rights reserved.

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CONTENTS
Preface xi
Objectives xi
Audience xi
Organization xii
Document Conventions xii
Additional Information xiii
Related and Referenced Documents xiii
To Access Online User Documentation (PDF and HTML Formats): xiv
Access User Documentation on the Documentation CD-ROM (HTML format only): xiv
Obtaining Documentation xvi
World Wide Web xvi
Documentation CD-ROM xvii
Ordering Documentation xvii
Documentation Feedback xvii
Obtaining Technical Assistance xvii
Cisco.com xviii
Technical Assistance Center xviii
Contacting TAC by Using the Cisco TAC Website xviii
Contacting TAC by Telephone xviii
CHAPTER 1Understanding Interface Numbering and Cisco IOS Software Basics 1-1
Understanding Interface Numbering 1-1
Cisco 2600 Series Interface Numbering 1-1
WAN and LAN Interface Numbering 1-2
Voice Interface Numbering in Cisco 2600 Series Routers 1-4
Cisco 3600 Series Interface Numbering 1-4
Cisco 3600 Series Router Slot Numbering 1-4
Cisco 3600 Series Router Unit Numbering 1-8
Cisco 3600 Series Routers Voice Interface Numbering 1-9
Cisco 3700 Series Interface Numbering 1-9
Cisco 3725 Router Slot Numbering 1-10
Cisco 3745 Router Slot Numbering 1-11
Cisco 3700 Series Routers Voice Interface Numbering 1-13
Understanding Cisco IOS Software Basics 1-13

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Getting Help 1-13
Understanding Command Modes 1-14
Undoing a Command or Feature 1-15
Saving Configuration Changes 1-15
Upgrading to a New Cisco IOS Release 1-15
Where to Go Next 1-15
CHAPTER 2Using the Setup Command Facility 2-1
Before Starting Your Router 2-1
Using the setup Command Facility 2-2
Configuring Global Parameters 2-2
Configuring Interface Parameters 2-6
Ethernet Interface Configuration 2-6
FastEthernet Interface Configuration 2-6
Token Ring Interface Configuration 2-7
Serial Interface Configuration 2-7
Frame Relay Encapsulation 2-8
LAPB Encapsulation 2-8
X.25 Encapsulation 2-9
ATM-DXI Encapsulation 2-9
SMDS Encapsulation 2-9
Serial Cisco IOS Commands Generated 2-9
Asynchronous/Synchronous Serial Interface Configuration 2-10
Synchronous Configuration 2-10
Asynchronous Configuration 2-12
ISDN BRI Interface Configuration 2-12
ISDN BRI Line Configuration 2-15
ISDN BRI Provisioning by Switch Type 2-16
Defining ISDN Service Profile Identifiers 2-17
E1/T1 ISDN PRI Configuration 2-18
E1/T1 PRI Mode 2-18
E1 Channelized Mode 2-18
T1 Channelized Mode 2-21
1-Port, 4-Wire 56-kbps DSU/CSU Configuration Setup 2-22
Choosing Circuit-Switched or Dedicated-Line Service 2-23
Switched Mode 2-23
Dedicated Mode 2-23
Completing the Configuration 2-24
Where to Go Next 2-25

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CHAPTER 3Configuring with the Command-Line Interface 3-1
Configuring the Host Name and Password 3-2
Verifying the Host Name and Password 3-3
Configuring 1-Port and 2-Port Ethernet Interfaces 3-3
Configuring Fast Ethernet Interfaces 3-4
Configuring Asynchronous/Synchronous Serial Network Modules or WAN Interface Cards 3-5
Configuring 16-Port and 32-Port Asynchronous Network Modules 3-9
Configuring ISDN BRI WAN Interface Cards 3-10
Configuring ISDN BRI Lines 3-12
ISDN BRI Provisioning by Switch Type 3-13
Defining ISDN Service Profile Identifiers 3-14
Configuring T1 and E1 Interfaces 3-15
Configuring T1 Interfaces 3-15
Configuring E1 Interfaces 3-16
Configuring TDM Connect (Data Pass-Through) 3-17
Configuring Codec Complexity 3-18
Configuring T1 (FT1) WAN Interface Cards 3-19
Default Configuration 3-19
Configuring ATM Interfaces 3-20
Configuring PVCs 3-21
Configuring SVCs 3-22
Configuring Inverse Multiplexing for ATM Interfaces 3-23
Configuring the ATM T1/E1 Interface 3-23
Configuring the IMA Interface 3-25
Checking the IMA Configuration 3-26
Configuring Analog Modem Interfaces 3-26
Checking the Modem Configuration 3-28
Configuring Wireless Multipoint Interfaces 3-29
Checking the Interface Configuration 3-29
Configuring 1-Port ADSL WAN Interface Card 3-29
Benefits 3-30
Restrictions 3-30
Prerequisites 3-31
Configuration Tasks 3-31
Configuring the ADSL Port on the ADSL WAN Interface Card 3-31
Verifying ATM Configuration 3-32
Configuration Examples 3-34
Configuring the NM-AIC-64, Contact Closure Network Module 3-34

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Serial Communication Channels 3-35
Serial Data Channel 3-36
Asynchronous Craft Port 3-36
Configuring the AIC 3-36
Configuration Tasks 3-37
Configuring the AIC 3-38
Accessing the AIC 3-40
Configuring the NOC IP Address 3-40
Configuring Alarms 3-41
Programming the Analog Contact Points 3-41
Programming the Discrete Contact Points 3-43
Verifying the IP Address 3-43
Troubleshooting Tips 3-45
Monitoring and Maintaining the NM-AIC-64 Contact Closure Network Module 3-45
Software Upgrade 3-45
Configuration Backup 3-46
Override 3-46
Configuration Examples 3-46
Configuring the 1-Port HSSI Network Module 3-46
Configuration Tasks 3-47
Specify a HSSI 3-47
Specify HSSI Encapsulation 3-47
Invoke ATM on a HSSI Line 3-48
Convert HSSI to Clock Master 3-48
Disable Fair Queueing 3-48
Configuration Examples 3-48
Configuring the Compression Network Module for the
Cisco 3600 Series Routers 3-49
Configuration Task 3-49
Configuration Example 3-50
Configuring the Digital Modem Network Module for the
Cisco 3640 Router 3-50
Prerequisites 3-51
Configuration Tasks 3-51
Configure the E1/T1 Network Module for ISDN PRI 3-52
Configure Channelized E1 ISDN PRI 3-52
Configure Channelized T1 ISDN PRI 3-53
Configure the ISDN D-Channel Serial Interfaces 3-53
Configure the ISDN D-Channel Serial Interface for E1 Modules 3-54
Configure the ISDN D-Channel Serial Interface for T1 Modules 3-54

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Configure the Loopback Interface 3-55
Configure the LAN Interface 3-55
Create the Group Asynchronous Interface 3-55
Configure the ISDN Dialer Interface 3-56
Configure the Default IP Pool Information 3-57
Configure Modem Lines for Dial-In and Dial-Out 3-57
Configure the Modem for Dial-In 3-58
Configure the Modem for Dial-Out 3-58
Configuration Example 3-58
Configuring 1-Port G.SHDSL WAN Interface Card 3-58
Restrictions 3-60
Prerequisites 3-60
Configuration Tasks 3-60
Configuring G.SHDSL on a Cisco Router 3-60
Configuring ILMI on the DSLAM Connected to the ADSL WAN 3-62
Verifying ATM Configuration 3-62
Configuration Examples 3-64
Saving Configuration Changes 3-65
Where to Go Next 3-65
CHAPTER 4Configuring Voice-over-IP 4-1
Voice-over-IP Prerequisites 4-1
Configuring the Voice Interface 4-2
Voice-over-IP Configuration Examples 4-3
FXS-to-FXS Connection Using RSVP 4-4
Configuration for Router RLB-1 4-4
Configuration for Router RLB-w 4-5
Configuration for Router R12-e 4-5
Configuration for Router RLB-2 4-6
Linking PBX Users with E&M Trunk Lines 4-6
Router SJ Configuration 4-7
Router SLC Configuration 4-8
PSTN Gateway Access Using FXO Connection 4-8
Router SJ Configuration 4-9
Router SLC Configuration 4-9
PSTN Gateway Access Using FXO Connection (PLAR Mode) 4-10
Router SJ Configuration 4-10
Router SLC Configuration 4-11
Configuring Direct-Inward Dialing on a BRI Port 4-11

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Router 1 Configuration 4-12
Router 2 Configuration 4-12
Router 3 Configuration 4-12
Where to Go Next 4-12
APPENDIX AConfiguration Examples A-1
Cisco 2600 Series Router Configuration Example A-1
Cisco 3631 Router Configuration Example A-6
Cisco 3725 Router Configuration Example A-10
1-Port ADSL WAN Interface Card Configuration Examples A-11
VoATM over AAL2 on the ATM Interface Configuration Example A-12
VoATM over AAL5 on the ATM Interface Configuration Example A-14
NM-AIC-64, Contact Closure NetworkConfiguration Examples A-16
AIC IP Address Configuration Example A-16
IP Route to the AIC Configuration Examples A-20
With an Unnumbered IP Address A-20
Without an Unnumbered IP Address A-21
AIC CLI Configuration for Alarms A-22
Discrete Alarm A-22
Analog Alarm Monitoring Current A-22
Analog Alarm Monitoring Current Configured as a Discrete A-22
Cisco 3640 Central Site Configuration to Support ISDN and Modem Calls A-23
Configuration in CPE Mode Example A-25
Configuration in CO Mode Example A-27
APPENDIX BFormatting the Compact Flash Memory Cards B-1
Formatting Procedures for Compact Flash Memory Cards B-1
Formatting Procedures B-1
Determining the File System on a Compact Flash Memory Card B-1
Formatting Compact Flash Memory as a Class B Flash File System B-3
Formatting Compact Flash Memory as a Class C File System B-4
File and Directory Operations B-4
Operations for Use With Class B Flash File System B-4
Operations for Use with Class C Flash File System B-7
File Operations for Class C Flash File System B-7
Directory Operations for Class C Flash File System B-10
B-12

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APPENDIX CUsing the ROM Monitor C-1
Entering the ROM Monitor Mode C-1
Configure C-1
Verify C-1
ROM Monitor Commands C-2
ROM Monitor Syntax Conventions C-2
Command Descriptions C-3
Debugging Commands C-5
Configuration Register Commands C-5
Using the show rom-monitor command C-6
Using the upgrade rom-monitor Command C-7
Procedures for Recovering Boot and System Images C-8
Using the xmodem Command C-8
Using the tftpdnld Command C-8
I NDEX

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Preface
This preface discusses the objectives, audience, organization, and conventions of this software
configuration guide, and where to get the latest version of this guide.
Objectives
After installing the router, use this guide to complete a basic router configuration using the setup
command facility. It also contains information on using the Cisco IOS software to perform other
configuration tasks, such as configuring a Voice-over-IP interface and other features.
This guide does not provide complete configuration instructions. Refer to the Cisco IOS configuration
guides and command references for detailed configuration instructions. These publications are available
on the Documentation CD-ROM that came with your router and on Cisco.com. See the “Obtaining
Documentation” section on page xvi for more information.
Audience
This publication is designed for the person who will be responsible for configuring your router. This
guide is intended primarily for the following audiences:
•Customers with technical networking background and experience
•System administrators who are familiar with the fundamentals of router-based internetworking, but
who might not be familiar with Cisco IOS software
•System administrators who are responsible for installing and configuring internetworking
equipment, and who are familiar with Cisco IOS software

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Preface
Organization
Organization
The major sections of this software configuration guide include:
Document Conventions
This publication uses the following conventions to convey instructions and information:
Chapter Title Description
Chapter 1 Understanding Interface
Numbering and Cisco IOS
Software Basics
Provides an overview of the interface numbering
conventions for the Cisco routers. Also provides a basic
understanding of the Cisco IOS software.
Chapter 2 Using the Setup Command
Facility
Describes how to use the setup command facility to
configure your router.
Chapter 3 Configuring with the
Command-Line Interface
Describes how to use the Cisco IOS software
command-line interface (CLI) to configure basic router
functionality.
Chapter 4 Configuring Voice-over-IP Describes how to configure voice network modules
with recEive and transMit (E&M), Foreign Exchange
Office (FXO), and Foreign Exchange Station (FXS)
interfaces for your router.
Appendix A Configuration Examples Provides configuration examples of the Cisco 2600
series, Cisco 3600 series, and Cisco 3700 series routers.
Appendix B Appendix B, “Formatting
the Compact Flash Memory
Cards”
Provides configuration information for the Cisco Flash
memory.
Appendix C Appendix C, “Using the
ROM Monitor”
Describer how the ROM Monitor works in the Cisco
2600 series, Cisco 3600 series, and Cisco 3700 series
routers.
Convention Description
boldface font Commands and keywords.
italic font Variables for which you supply values.
[ ] Keywords or arguments that appear within square brackets are optional.
{x| y | z} A choice of required keywords appears in braces separated by vertical bars.
You must select one.
screen font Examples of information displayed on the screen.
boldface
screen font
Examples of information you must enter.
< > Nonprinting characters, for example passwords, appear in angle brackets in
contexts where italic font is not available.
[ ] Default responses to system prompts appear in square brackets.

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Preface
Additional Information
Note This symbol means reader take note. Notes contain helpful suggestions or references to additional
information and material.
Timesaver This symbol means the described action saves time. You can save time by performing the action
described in the paragraph.
Caution This symbol means reader be careful.In this situation, you might do something that could result in
equipment damage or loss of data.
Tip This symbol means the following information will help you solve a problem.The tips information
might not be troubleshooting or even an action, but could be useful information, similar to a
Timesaver.
Additional Information
This guide does not contain the following:
•Network design information
•Application case studies
•Troubleshooting information
•A comprehensive reference to access services
For l information about any of the above topics, refer to the following resources:
•Cisco.com
•Documentation CD-ROM
•Cisco Technical Assistance Center (TAC)
Related and Referenced Documents
The documents described here are available online and on the documentation CD-ROM that you received
with your router. To be sure of obtaining the latest information, you should access the online
documentation.
To print a document in its original page format, access the online document, and click on the PDF icon.
You can also order printed copies of documents. See the Ordering Documentation.

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Preface
Related and Referenced Documents
To Access Online User Documentation (PDF and HTML Formats):
From Cisco.com at http://www.cisco.com, under Service & Support, select Technical Documents and
select Cisco Product Documentation.
Access User Documentation on the Documentation CD-ROM (HTML format only):
On the Documentation CD-ROM, select Cisco Product Documentation.
Paths to specific documents are provided below, starting at Cisco Product Documentation.
Tip To navigate up to the next higher level in the documentation hierarchy, click on CONTENTS in the
navigation bar at the top of each page.
Table 1 Related and Referenced Documents
Cisco Product Document Title
Cisco 2600 series routers •Cisco 2600 Series Routers Hardware
Installation Guide
•Cisco 2600 Series Modular Routers Quick
Access Guide
•Cisco Network Modules Hardware
Installation Guide
•Cisco WAN Interface Cards Hardware
Installation Guide
•Regulatory Compliance and Safety
Information
Cisco 3600 series routers •Cisco 3600 Series Routers Hardware
Installation Guide
•Cisco 3620 and Cisco 3640 Modular Access
Routers Quick Start Guide
•Cisco 3660 Modular Access Router Quick
Start Guide
•Cisco Network Modules Hardware
Installation Guide
•Cisco WAN Interface Cards Hardware
Installation Guide
•Cisco RPS Hardware Installation Guide
•Regulatory Compliance and Safety
Information

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Preface
Related and Referenced Documents
Cisco 3700 series routers •Cisco 3700 Series Routers Hardware
Installation Guide
•Cisco 3725 and Cisco 3745 Modular Access
Routers Quick Start Guide
•Cisco Network Modules Hardware
Installation Guide
•Cisco WAN Interface Cards Hardware
Installation Guide
•Regulatory Compliance and Safety
Information
Cisco IOS software
Note Refer to the modular reference
publication that corresponds to the
Cisco IOS software release installed on
your server.
•Cisco IOS Configuration Fundamentals
Configuration Guide
•Cisco IOS Configuration Fundamentals
Command Reference
•Cisco IOS Dial Technologies Configuration
Guide
•Cisco IOS Wide-Area Networking
Configuration Guide
•Cisco IOS IP Configuration Guide
Release 12.2
•Cisco IOS Wide-Area Networking Command
Reference
•Debug Command Reference
•System Error Messages
•Cisco IOS Software Command Summary
•Cisco IOS Release notes for your release
Table 1 Related and Referenced Documents (continued)
Cisco Product Document Title

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Preface
Obtaining Documentation
Obtaining Documentation
The following sections provide sources for obtaining documentation from Cisco Systems.
World Wide Web
You can access the most current Cisco documentation on the World Wide Web at the following sites:
•http://www.cisco.com
•http://www-china.cisco.com
•http://www-europe.cisco.com
Other documents •Information about TL1 commands can be
found in the Telcordia Technology (formerly
Bellcore) document Network Maintenance:
Network Element and Transport Surveillance
Messages, GR-833-CORE, Issue 5,
November 1996. For a reference of
security-related commands (ACT-USER and
CANC-USER) refer to Telcordia
Technology’s Operations Applications
Messages-Network Element and Network
System Security Admin Messages,
TR-NWT-000835, Issue 2, January 1993.
•Information about the PRI network module,
refer to the 1-Port and 2-Port ISDN-PRI
Network Module Configuration Note. For
information on how to install an Ethernet
module, refer to the 1-Port Ethernet Network
Module Configuration Note or the 4-Port
Ethernet Network Module Configuration
Note.
•For information on how to correctly install
and configure the Digital Network module
and the PRI module, refer to the Digital
Modem Network Module Configuration Note.
•To configure the router for voice traffic, refer
to the Voice over IP Configuration document
•To configure DLAMs, refer to the
Configuration Guide for DSLAs with NI-2.
Table 1 Related and Referenced Documents (continued)
Cisco Product Document Title

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Preface
Obtaining Technical Assistance
Documentation CD-ROM
Cisco documentation and additional literature are available in a CD-ROM package, which ships
with your product. The Documentation CD-ROM is updated monthly and may be more current than
printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.
Ordering Documentation
Cisco documentation is available in the following ways:
•Registered Cisco Direct Customers can order Cisco Product documentation from the Networking
Products MarketPlace:
http://www.cisco.com/cgi-bin/order/order_root.pl
•Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription
Store:
http://www.cisco.com/go/subscription
•Nonregistered Cisco.com users can order documentation through a local account representative by
calling Cisco corporate headquarters (California, USA) at 408 526-7208 or, in North America, by
calling 800 553-NETS(6387).
Documentation Feedback
If you are reading Cisco product documentation on the World Wide Web, you can submit technical
comments electronically. Click Feedback in the toolbar and select Documentation. After you complete
the form, click Submit to send it to Cisco.
You can e-mail your comments to [e-mail].
To submit your comments by mail, for your convenience many documents contain a response card
behind the front cover. Otherwise, you can mail your comments to the following address:
Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883
We appreciate your comments.
Obtaining Technical Assistance
Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can
obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com
registered users, additional troubleshooting tools are available from the TAC website.

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Obtaining Technical Assistance
Cisco.com
Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open
access to Cisco information and resources at anytime, from anywhere in the world. This highly
integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.
Cisco.com provides a broad range of features and services to help customers and partners streamline
business processes and improve productivity. Through Cisco.com, you can find information about Cisco
and our networking solutions, services, and programs. In addition, you can resolve technical issues with
online technical support, download and test software packages, and order Cisco learning materials and
merchandise. Valuable online skill assessment, training, and certification programs are also available.
Customers and partners can self-register on Cisco.com to obtain additional personalized information and
services. Registered users can order products, check on the status of an order, access technical support,
and view benefits specific to their relationships with Cisco.
To access Cisco.com, go to the following website:
http://www.cisco.com
Technical Assistance Center
The Cisco TAC website is available to all customers who need technical assistance with a Cisco product
or technology that is under warranty or covered by a maintenance contract.
Contacting TAC by Using the Cisco TAC Website
If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC
website:
http://www.cisco.com/tac
P3 and P4 level problems are defined as follows:
•P3—Your network performance is degraded. Network functionality is noticeably impaired, but most
business operations continue.
•P4—You need information or assistance on Cisco product capabilities, product installation, or basic
product configuration.
In each of the above cases, use the Cisco TAC website to quickly find answers to your questions.
To register for Cisco.com, go to the following website:
http://www.cisco.com/register/
If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users
can open a case online by using the TAC Case Open tool at the following website:
http://www.cisco.com/tac/caseopen
Contacting TAC by Telephone
If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and
immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following
website:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml

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Preface
Obtaining Technical Assistance
P1 and P2 level problems are defined as follows:
•P1—Your production network is down, causing a critical impact to business operations if service is
not restored quickly. No workaround is available.
•P2—Your production network is severely degraded, affecting significant aspects of your business
operations. No workaround is available.

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Preface
Obtaining Technical Assistance