Intel Network Router 811 User Manual

Release Notes for the Cisco 811 and 813 Routers

for Cisco IOS Release 12.1(2)XF

February 20, 2002

These release notes describe new features and significant software components for the Cisco 811

and 813 Routers that support Cisco IOS Release 12.1(2)XF5. These release notes are updated as needed

to describe new memory requirements, new features, new hardware support, software platform

deferrals, microcode or modem code changes, related document changes, and any other important

changes. Use these release notes with the Cross-Platform Release Notes for Cisco IOS Release

12.1 located on Cisco.com and the Documentation CD-ROM.

For a list of the software caveats that apply to Release 12.1(2)XF5, refer to the section “Caveats” and

to the online Caveats for Cisco IOS Release 12.1 T document. The caveats document is updated for

every 12.1 T maintenance release and is located on Cisco.com and the Documentation CD-ROM.

Contents

These release notes discuss the following topics:

•

System Requirements, page 1

New and Changed Information, page 6

Limitations and Restrictions, page 7

Important Notes, page 9

Caveats, page 11

Related Documentation, page 13

Obtaining Documentation, page 21

Obtaining Technical Assistance, page 22

Co rp o ra t e He a d q u a rt e rs : Cis c o S ys t e m s , In c ., 1 7 0 We s t Ta s m a n Drive , S a n J o s e , CA 9 5 1 3 4 -1 7 0 6 US A

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System Requirements

Cisco 811 and 813 Routers

The Cisco 811 and 813 Routers provide the following key hardware features:

•

Flash memory: Default is 4 MB and is expandable to 12 MB. Additional Flash memory is installed

using Intel “Mini-Card” technology.

•

Dynamic RAM: Default is 8 MB and is expandable to 16 MB, which must be obtained from

Cisco Systems.

•

The central processing unit is a 33 MHz MPC 850 processor.

Routers mounted on a wall.

Determining Your Software Release

To determine the version of Cisco IOS software currently running on your Cisco 800 series router, log

in to the router and enter the show version EXEC command. The following sample output from the

show version command indicates the version number on the second output line:

router> show version

Cisco Internetwork Operating System Software

IOS (tm) 800 Software (c800-y6-mw), Version 12.1(2)XF5, RELEASE SOFTWARE

Additional command output lines include more information, such as processor revision numbers,

memory amounts, hardware IDs, and partition information.

Upgrading to a New Software Release

For information about upgrading to a new software release, refer to the Cisco IOS Upgrade Ordering

Instructions product bulletin located at the following URL:

http://www.cisco.com/warp/public/cc/cisco/mkt/ios/prodlit/957_pp.htm.

Alternatively, the Cisco IOS Software page on Cisco.com has a variety of information, including

upgrade information, organized by release. If you have a Cisco.com account and log in, you can go

directly to: http://www.cisco.com/kobayashi/sw-center/sw-ios.shtml.

If you have a Cisco.com account and log in, you can reach the new software release upgrade page by

going to www.cisco.com and following this path: Service & Support: Software Center: Cisco IOS

Software: Product Bulletins: Software: General System Software Bulletins: Cisco IOS Upgrade

Ordering Instructions, No. 957

You can also reach the IOS Upgrade Planner, which allows you more flexibility to browse for your

preferred software, by going to www.cisco.com and following this path: Service & Support: Software

Center: IOS Upgrade Planner.

Release Notes for the Cisco 811 and 813 Routers for Cisco IOS Release 12.1(2)XF

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System Requirements

Feature Set Tables

The Cisco IOS software is packaged in feature sets consisting of software images—depending on the

platform. Each feature set contains a specific set of Cisco IOS features. Release 12.1(2)XF5 supports

the same feature sets as Releases 12.1 and 12.1 T, but Release 12.1(2)XF5 can include new features

supported by the Cisco 811 and 813 Routers. Table 3 lists the feature sets supported by the Cisco 811

and 813 Routers.

Table 3

Feature Sets Supported by the Cisco 811 and 813 Routers

Image Name

Feature Set Matrix Terms

Software Image

c800-y6-mw

Platform

Cisco 800 Series IOS IP

Cisco 811 and 813

Cisco 800 Series IOS IP Plus

Cisco 800 Series IOS IP/IPX Plus

Cisco 800 Series IOS IP/FW

Cisco 800 Series IOS IP/FW Plus IPSec 56

Cisco 800 Series IOS IP/IPX/FW Plus IPSec 56

IP Plus

c800-sy6-mw

c800-nsy6-mw

c800-oy6-mw

IP/IPX Plus

IP/FW

IP/FW Plus IPSec 56

IP/IPX/FW Plus IPSec 56

c800-osy656i-mw Cisco 811 and 813

c800-nosy656i-mw Cisco 811 and 813

Table 4 lists the features and feature sets supported by the Cisco 811 and 813 Routers in Cisco IOS

Release 12.1(2)XF5. The table uses the following conventions:

•

Yes—The feature is supported in the software image.

No—The feature is not supported in the software image.

Note

These feature set tables only contain a selected list of features. These tables are not

cumulative—nor do they list all the features in each image.

Table 4

Feature List by Feature Set for the Cisco 811 and 813 Routers

Feature Sets

IP/FW

Plus

IPSec 56 IPSec 56

IP/IPX/FW

Plus

IP/IPX

Plus

Features

IP Plus

IP/FW

Address Conservation

NAT

Yes

Ease of Use and Deployment

Auto SPID/SWITCH Connection

Cisco Fast Step Software, Version 2.5

Configuration Express

Easy IP Phase I and II

TFTP Client Server

Yes

INS 64 Telephone Features (813 model only)

Call Blocking on Caller ID

Caller ID

Yes

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System Requirements

Table 4

Feature List by Feature Set for the Cisco 811 and 813 Routers

Feature Sets

IP/FW

Plus

IPSec 56 IPSec 56

IP/IPX/FW

Plus

IP/IPX

Plus

Features

IP Plus

Yes

IP/FW

Yes

Call Waiting

Yes

Distinctive Ringing

E Ya Yo

I Number

ISDN Voice Priority

Nariwake

Troublesome Call Refusing

Voice Warp

Voice Warp Select

LAN

Yes

IPX

NetBIOS Access Lists, Name Caching

Transparent Bridging

Yes

Management

CiscoView

Yes

SNMP, Telnet, Console Port

SNTP

Syslog

TACACS+

Routing

IP Enhanced IGRP

IP Multicast (Relay Only)

IP-Policy Routing

Yes

IPX WAN

RIP, RIPv2, Triggered RIP

Yes

Security (Basic)

GRE Tunneling

Yes

NAT

Yes

PAP, CHAP, Local Password, MSCHAP

Route and Router Authentication

Token Card Authentication

Release Notes for the Cisco 811 and 813 Routers for Cisco IOS Release 12.1(2)XF

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System Requirements

Table 4

Feature List by Feature Set for the Cisco 811 and 813 Routers

Feature Sets

IP/FW

Plus

IPSec 56 IPSec 56

IP/IPX/FW

Plus

IP/IPX

Plus

Features

IP Plus

IP/FW

Security (Enhanced)

Cisco IOS Firewall

Yes

Context Based Access Control Lists

Denial of Service Detection

IPSec Encryption w/ 56-bit DES

Java Blocking

Yes

Real-time Alerts

Voice Features (Supplementary)

Call Conference

Yes

Call Hold / Retrieve

Call Transfer

Voice Priority

WAN

Frame Relay (Leased Line Only)

ISDN

Yes

ISDN Lease Line

ML-PPP, PPP Compression

WAN Optimization

BOD

Yes

DDR

IPX and SPX Spoofing

ISDN Caller ID Callback

Snapshot Routing

Yes

STAC Compression

Weighted Fair Queuing Quality of Service

X.25 ID

Release Notes for the Cisco 811 and 813 Routers for Cisco IOS Release 12.1(2)XF

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System Requirements

New and Changed Information

The following sections list the new hardware and software features supported by the Cisco 800 series

for Release 12.1 T:

New Hardware and Software Features in Release 12.1(2)XF3

The following sections list the new hardware and software features supported by the Cisco Cisco 811

and 813 Routers for Release 12.1(2)XF3.

Cisco 811 and 813 Routers

Cisco 800 series routers provide network connectivity for small offices and corporate telecommuters.

The Cisco 811 and 813 routers additionally supply value-added services, such as virtual private

networks (VPNs), managed network services, point of sale (POS) applications, and secure Internet

access.

New Software Features in Release 12.1(1)

For information regarding the features supported in Cisco IOS Release 12.1, refer to the Cross-Platform

Release Notes and New Feature Documentation links at the following location on Cisco.com:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/index.htm

This URL is subject to change without notice. If it changes, point your web browser to Cisco.com, and

click on the following path:

Service & Support: Technical Documents: Documentation Home Page: Cisco IOS Software

Configuration: Cisco IOS Release 12.1: Cisco IOS Release 12.1

Limitations and Restrictions

Supported MIBs

Table 5 lists the MIBs supported by the Cisco 800 series routers. Each group of MIBs corresponds to a

specific group of images.

Table 5

MIBs Supported by the Cisco 800 Series Routers

Image Names

MIBs

c800-sy6-mw

CISCO-IPMROUTE-MIB

CISCO-SYSLOG-MIB

ENTITY-MIB (added)

IPMROUTE-MIB

c800-osy6-mw

c800-osy656i-mw

c800-nsy6-mw

c800-nosy656i-mw

c800-osy6-mw

RFC1382-MIB (X25MIB)

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System Requirements

Table 5

MIBs Supported by the Cisco 800 Series Routers

Image Names

MIBs

c800-nsy6-mw

c800-nosy656i-mw

NOVELL-IPX-MIB

NOVELL-RIPSAP-MIB

OLD-CISCO-NOVELL-MIB

CISCO-IP-ENCRYPTION-MIB

c800-osy656i-mw

c800-nosy656i-m

c800-y6-mw

CISCO-BULK-FILE-MIB

CISCO-CALL-HISTORY-MIB

CISCO-CAR-MIB

c800-oy6-mw

c800-sy6-mw

CISCO-IMAGE-MIB (added)

CISCO-IP-STAT-MIB

CISCO-ISDN-MIB

c800-osy6-mw

c800-osy656i-mw

c800-nsy6-mw

c800-nosy656i-mw

CISCO-ISDNU-IF-MIB

CISCO-MEMORY-POOL-MIB

CISCO-PING-MIB

CISCO-SNAPSHOT-MIB

CISCO-TCP-MIB

OLD-CISCO-CHASSIS-MIB

OLD-CISCO-CPU-MIB

OLD-CISCO-FLASH-MIB (added)

OLD-CISCO-INTERFACES-MIB

OLD-CISCO-IP-MIB

OLD-CISCO-MEMORY-MIB

OLD-CISCO-SYSTEM-MIB

OLD-CISCO-TCP-MIB

IF-MIB

ISDN-MIB

SNMPv2-MIB

TCP-MIB

UDP-MIB

RFC1213-MIB (MIBII)

RFC1381-MIB (LAPBMIB)

RFC1398-MIB (ETHERMIB)

Release Notes for the Cisco 811 and 813 Routers for Cisco IOS Release 12.1(2)XF

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System Requirements

Important Notes

The following sections contain important notes about Cisco IOS Release 12.1(2)XF5 that can apply to

the Cisco 811 and 813 Routers. (Also, see the “Caveats” section on page 11.)

Caveat CSCdr91706 and IOS HTTP Vulnerability

A defect in multiple releases of Cisco IOS software causes a Cisco router or switch to halt and reload

if the IOS HTTP service is enabled and you browse to http://router-ip/anytext?/ and enter the enable

password when it is requested. This defect can be exploited to produce a denial of service (DoS) attack.

This vulnerability can only be exploited if the enable password is known or not set.

The vulnerability, identified as Cisco bug ID CSCdr91706, affects virtually all mainstream Cisco

routers and switches running Cisco IOS software releases 12.0 through 12.1, inclusive. This is not the

same defect as CSCdr36952.

The vulnerability has been corrected and Cisco is making fixed releases available for free to replace all

affected IOS releases. Cisco urges all customers to upgrade to releases that are not vulnerable to this

defect as listed in the complete advisory, which is available at: http://www.cisco.com/warp/public/707/

ioshttpserverquery-pub.shtml. You are strongly encouraged to read the complete advisory.

B Channel Activation

When a call comes in, a B channel is activated. If the amount of traffic on the B channel exceeds a

threshold, the other B channel is activated. If the amount of traffic falls below the threshold, one of the

B channels is deactivated. The B channel that is initially activated when the call comes in is not

necessarily B1 nor is the B channel that is deactivated when the traffic level lessens necessarily B2.

Cisco 800 Series Router Clock—CSCdp09409

To run IPSec successfully, the Cisco 800 series router clock needs to be set accurately. Cisco 800 series

router clocks are set and maintained using Simple Network Time Protocol (SNTP). For best results, set

up a Network Time Protocol (NTP) server to periodically send time information messages to Cisco 800

series routers. See the SNTP configuration and command reference documentation for configuration

instructions. If you do not have an NTP server, you must reset the Cisco 800 series router clock using

the clock set command each time you restart the router.

The SNTP configuration documentation is available in the chapter “Monitoring the Router and

Network” in the “System Management” volume of the Configuration Fundamentals Configuration

Guide in the Cisco IOS documentation set. The SNTP command reference documentation is available

in the chapter “Router and Network Monitoring Commands” in the “System Management Commands”

volume of the Configuration Fundamentals Command Reference manual in the Cisco IOS

documentation set.

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System Requirements

CiscoView Application Support

The CiscoView application supports the Cisco 800 series routers. The CiscoView application provides

dynamic status, statistics, and comprehensive configuration information for Cisco switches, routers,

concentrators, and adapters. It displays a graphical view of Cisco devices. This network management

tool also provides configuring and monitoring functions and offers basic troubleshooting tips.

Dial Peer Limitation

The isdn answer1 and isdn answer2 commands determine which called telephone numbers, for

example, 555-1111 and 555-2222, a Cisco 800 series router can answer. Using these commands limits

a router to using the two dial peers that contain the telephone numbers 555-1111 and 555-2222. (When

not using these commands, a router can use up to six dial peers.) A sample scenario in which the isdn

answer1 and isdn answer2 commands are used is when a Cisco 801 or Cisco 803 router is connected

with other ISDN devices to an ISDN S-bus.

Downloading Images

Before attempting to download new images, you must first delete files in the router Flash memory. Be

sure to use the delete command, not command erase, to free up space. Entering erase removes all files,

including the configuration.

Excessive ISDN Line Activation

The following protocols send updates that can cause an ISDN line to be activated excessively, thereby

increasing your monthly ISDN line cost:

•

User Datagram Protocol (UDP)

IPX

Cisco Discovery Protocol (CDP)

Simple Network Time Protocol (SNTP)

See the Cisco 800 Series Routers Software Configuration Guide to set up extended access lists to

prevent IP, UDP, IPX, and SNTP updates from activating the ISDN line. For CDP, make certain that you

enter the no cdp enable command to disable CDP.

Hanging During Boot

If an illegal console configuration is issued to the router, the console fails the POST tests during boot

and causes the router to halt. The only way to recover from this state is to pull apart the soldered boot

Flash and re-burn the Boot ROM. This problem has been resolved in TinyROM version 1.0(3), a

downloadable ROM upgrade available from Cisco.com. Contact Cisco to upgrade to this version or

later, and prevent this problem from occurring.

Release Notes for the Cisco 811 and 813 Routers for Cisco IOS Release 12.1(2)XF

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System Requirements

Phone Mate Answering Machine Model 9200

A Phone Mate answering machine model 9200 failed to recognize the ringing signal sent by AMD R79

ringing SLIC. This was confirmed by testing against Phone Mate model 3750 and newer model 9300.

PPP over Frame Relay Support (RFC-1973)

Cisco 800 series routers do not support PPP protocol over Frame Relay.

TACACS+ with AAA

Cisco 800 series routers now support the Terminal Access Controller Access Control System Plus

(TACACS+) protocol through Telnet. TACACS+ is a Cisco proprietary authentication protocol that

provides remote access authentication and related network security services, such as event logging.

User passwords are administered in a central database, rather than in individual routers. TACACS+ also

supports separate modular authentication, authorization, and accounting (AAA) facilities that are

configured at individual routers.

For information on how to configure TACACS+, refer to the “Configuring TACACS+” chapter in the

Security Configuration Guide. For information on TACACS+ commands, refer to the “TACACS,

Extended TACACS, and TACACS+ Commands” chapter in the Security Command Reference.

Cisco 800 series routers do not support the following protocols:

•

TACACS, an older access protocol now deprecated by Cisco, or Extended TACACS, an extension

to the TACACS protocol.

•

RADIUS or Kerberos protocols.

ROM Monitor set stop-bits Parameter

This release supports the setting of 1 only, for the ROM monitor set stop-bits parameter.

Caveats

Caveats describe unexpected behavior or defects in Cisco IOS software releases. Severity 1 caveats are

the most serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious

of these three severity levels.

All caveats in Release 12.1(2)T are also in Release 12.1(2)XF5. For information on caveats in Cisco

IOS Release 12.1(2)T, refer to the Caveats for Cisco IOS Release 12.1 T document. For information on

caveats in Cisco IOS Release 12.1, refer to the Caveats for Cisco IOS Release 12.1 document. These

publications list severity 1 and 2 caveats, and are located on Cisco.com and the Documentation

CD-ROM.

Note

If you have an account with Cisco.com, you can also use the Bug Toolkit to find select caveats of

any severity. To reach the Bug Toolkit, log in toCisco.com and click Service & Support: Technical

Assistance Center: Tool Index: Bug Toolkit. Another option is to go to

http://www.cisco.com/cgi-bin/Support/Bugtool/launch_bugtool.pl.

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System Requirements

Resolved Caveats - Release 12.1(2)XF5

This section describes unexpected behavior that is fixed in Release 12.1(2)XF5.

Management

CSCdw65903

An error can occur with management protocol processing. Please use the following URL for

further information:

http://www.cisco.com/cgi-bin/bugtool/onebug.pl?bugid=CSCdw65903

Caveats Resolved in Release 12.1(2)XF4

This section describes possibly unexpected behavior by software Release 12.1(2)XF4.

CSCdt11503

CSCdt96253

CSCdt93862

CSCdt57231

An unexpected router reset might occur when OID fields larger than 256 are received.

CRC-32 compensation vulnerability.

Access level issue while using the Web interface.

SSH SSH_MSG_IGNORE messages for terminal echo tests.

Open Caveats—Release 12.1(2)XF3

This section describes possibly unexpected behavior by Release 12.1(2)XF3.

CSCds04747

CSCds32217

Connection setup improvements.

D-write community string readable with read-only community, Cisco IOS.

Release Notes for the Cisco 811 and 813 Routers for Cisco IOS Release 12.1(2)XF

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System Requirements

Resolved Caveats—Release 12.1(2)XF2

This section describes possibly unexpected behavior by software releases prior to Release 12.1(2)XF2

that have been resolved in Release 12.1(2)XF2 and above.

CSCds05811

If secondary IP addresses are configured on either an Ethernet or FastEthernet interface and the

running-config is saved to NVRAM, when the router is reloaded the secondary IP addresses disappear

from the configuration. This caveat is identical to the caveats: CSCdr51651, CSCdr72866,

CSCdr72868, and CSCdr77724, as well as cases A445655, A519050, and A466616. The problem was

originally found in Release 12.1(2)T. This caveat is fixed in Cisco IOS Release 12.1(2)XF2.

Open Caveats—Release 12.1(2)XF1

This section describes possibly unexpected behavior by Release 12.1(2)XF1.

CSCds37736

Cisco 801 through 804 router initialization ignores the CPU type and always loads the micro code for

the MPC850.

Open Caveats—Release 12.1(2)XF

This section describes possibly unexpected behavior by Release 12.1(2)XF.

CSCdr49075

On a Cisco 800 series router, the configuration for the second POTS port might not take effect if a called

party number for an incoming call on an ISDN line is not provided.

Related Documentation

The following sections describe the documentation available for the Cisco 811 and 813 Routers.

Typically, these documents consist of hardware and software installation guides, Cisco IOS

configuration and command references, system error messages, feature modules, and other documents.

Documentation is available as printed manuals or electronic documents, except for feature modules,

which are available online on Cisco.com and the Documentation CD-ROM.

Use these release notes with the documents listed in the following sections:

•

Release-Specific Documents

Platform-Specific Documents

Feature Modules

Cisco IOS Software Documentation Set

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System Requirements

Release-Specific Documents

The following documents are specific to Release 12.1. They are located on Cisco.com and the

Documentation CD-ROM:

•

Release Notes for Cisco IOS Release 12.1

–

To reach the Cross-Platform Release Notes for Cisco IOS Release 12.1 from Cisco.com, click

on this path (under the heading Service & Support):

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration:

Cisco IOS Release 12.1: Release Notes: Cross-Platform Release Notes

–

To reach the Cross-Platform Release Notes for Cisco IOS Release 12.1 on the Documentation

CD-ROM, click on this path:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS

Release 12.1: Release Notes: Cross-Platform Release Notes

•

Product bulletins, field notices, and other release-specific documents

To reach these documents from Cisco.com, click on this path (under the heading

Service & Support):

Technical Documents: Product Bulletins

Caveats for Cisco IOS Release 12.1 and 12.1 T

The Caveats for Cisco IOS Release 12.1 and Caveats for Cisco IOS Release 12.1 T documents

contain caveats applicable to all platforms for all maintenance releases of Release 12.1.

–

To reach the caveats document from Cisco.com, click on this path (under the heading

Service & Support):

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration:

Cisco IOS Release 12.1: Caveats

–

To reach the caveats document on the Documentation CD-ROM, click on this path:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS

Release 12.1: Caveats

Note

If you have an account with Cisco.com, you can also use the Bug Toolkit to find

select caveats of any severity. To reach the Bug Toolkit, log in toCisco.com and

click Service & Support: Technical Assistance Center: Tool Index: Bug

Toolkit. Another option is to go to

http://www.cisco.com/cgi-bin/Support/Bugtool/launch_bugtool.pl.

Platform-Specific Documents

These documents are available for the Cisco 811 and 813 Routers on Cisco.com and the

Documentation CD-ROM:

Cisco 811 and 813 Routers

•

Cisco 811 and Cisco 813 Routers Hardware Installation Guide

Quick Start Guide: Setting Up Cisco 811 and Cisco 813 Routers

•

Release Notes for the Cisco 811 and 813 Routers for Cisco IOS Release 12.1(2)XF

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System Requirements

•

Cisco 800 Series Routers Software Configuration Guide

Release Notes for Cisco 800 Routers

On Cisco.com at:

–

Technical Documents: Documentation Home Page: Access Servers and Access Routers:

Fixed Configuration Access Routers: Cisco 811 and Cisco 813 Routers

–

Technical Documents: Documentation Home Page: Access Servers and Access Routers:

Fixed Configuration Access Routers: Cisco 801–804 Routers

On the Documentation CD-ROM at:

–

Cisco Product Documentation: Access Servers and Access Routers: Fixed Configuration

Access Routers: Cisco 811 and Cisco 813 Routers

–

Cisco Product Documentation: Access Servers and Access Routers: Fixed Configuration

Access Routers: Cisco 801–804 Routers

Feature Modules

Feature modules describe new features supported by Release 12.1 and are updates to the Cisco IOS

documentation set. A feature module consists of a brief overview of the feature, benefits, configuration

tasks, and a command reference. As updates, the feature modules are available online only. Feature

module information is incorporated in the next printing of the Cisco IOS documentation set.

To reach the Release 12.1 feature modules:

•

From Cisco.com, click on this path (under the heading Service & Support):

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration:

Cisco IOS Release 12.1: New Feature Documentation: New Features in 12.1-Based Limited

Lifetime Releases: New Features in 12.1X Releases: New Features in 12.1(1)X Releases

•

From the Documentation CD-ROM, click on this path:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1:

New Feature Documentation: New Features in 12.1-Based Limited Lifetime Releases: New

Features in 12.1X Releases: New Features in 12.1(1)X Releases

Feature Navigator

Feature Navigator is a web-based tool that enables you to quickly determine which Cisco IOS software

images support a particular set of features and which features are supported in a particular Cisco IOS

image. Feature Navigator is available 24 hours a day, 7 days a week.

To access Feature Navigator, you must have an account on Cisco.com. If you have forgotten or lost your

account information, e-mail the Contact Database Administration group at [email protected]. If

you do not have an account on Cisco.com, go to http://www.cisco.com/register and follow the directions

to set up an account.

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System Requirements

To use Feature Navigator, you must have a JavaScript-enabled web browser such as Netscape 3.0 or

later, or Internet Explorer 4.0 or later. Internet Explorer 4.0 always has JavaScript enabled. To enable

JavaScript for Netscape 3.x or Netscape 4.x, follow the instructions provided with the web browser. For

JavaScript support and enabling instructions for other browsers, check with the browser vendor.

Feature Navigator is updated when major Cisco IOS software releases and technology releases occur.

You can access Feature Navigator at the following URL:

http://www.cisco.com/go/fn

Cisco IOS Software Documentation Set

The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS

command references, and several other supporting documents that are shipped with your order in

electronic form on the Documentation CD-ROM—unless you specifically ordered printed versions.

Documentation Modules

Each module in the Cisco IOS documentation set consists of two types of books: a configuration guide

and a corresponding command reference. Chapters in a configuration guide describe protocols,

configuration tasks, Cisco IOS software functionality, and contain comprehensive configuration

examples. Chapters in a command reference provide complete command syntax information. Use each

configuration guide with its corresponding command reference. The Cisco IOS software documentation

set is available on Cisco.com and on the Documentation CD-ROM.

On Cisco.com at:

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS

Release 12.1: Configuration Guides and Command References

On the Documentation CD-ROM at:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1:

Configuration Guides and Command References

Release 12.1 Documentation Set

Table 6 describes the contents of the Cisco IOS Release 12.1 software documentation set, which is

available in both electronic and printed form.

Note

You can find the most current Cisco IOS documentation on Cisco.com and the

Documentation CD-ROM. These electronic documents may contain updates and

modifications made after the hard-copy documents were printed.

On Cisco.com at:

Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS

Release 12.1

On the Documentation CD-ROM at:

Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1

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System Requirements

Table 6

Cisco IOS Software Release 12.1 Docum entation Set

Chapter Topics

Books

•

Cisco IOS Configuration Fundamentals Configuration Configuration Fundamentals Overview

Guide

Using the Command-Line Interface (CLI)

Using Configuration Tools

Configuring Operating Characteristics

Managing Connections, Menus, and System Banners

Using the Cisco Web Browser

•

Cisco IOS Configuration Fundamentals Command

Reference

Using the Cisco IOS File System

Modifying, Downloading, & Maintaining Configuration Files

Loading and Maintaining System Images

Maintaining Router Memory

Rebooting a Router

Configuring Additional File Transfer Functions

Monitoring the Router and Network

Troubleshooting a Router

Performing Basic System Management

System Management Using System Controllers

Web Scaling Using WCCP

Managing Dial Shelves

•

Cisco IOS Apollo Domain, Banyan VINES, DECnet,

ISO CLNS, and XNS Configuration Guide

Overview of Apollo Domain, Banyan VINES, DECNET, ISO

CLNS, and XNS

Configuring Apollo Domain

Configuring Banyan VINES

Configuring DECnet

Cisco IOS Apollo Domain, Banyan VINES, DECnet,

ISO CLNS, and XNS Command Reference

Configuring IOS CLNS

Configuring XNS

•

Cisco IOS AppleTalk and Novell IPX Configuration

Guide

AppleTalk and Novel IPX Overview

Configuring AppleTalk

Configuring Novell IPX

•

Cisco AppleTalk and Novell IPX Command Reference

Cisco IOS Bridging and IBM Networking

Configuration Guide

Overview of SNA Internetworking

Overview of Bridging

Configuring Transparent Bridging

Configuring Source-Route Bridging

Configuring Token Ring Inter-Switch Link

Configuring Token Ring Route Switch Module

Overview of IBM Networking

•

Cisco IOS Bridging and IBM Networking Command

Reference, Volume I

Cisco Bridging and IBM Networking Command

Reference, Volume II

Configuring Remote Source-Route Bridging

Configuring Data-Link Switching Plus+

Configuring Serial Tunnel and Block Serial Tunnel

Configuring LLC2 and SDLC Parameters

Configuring IBM Network Media Translation

Configuring Frame Relay Access Support

Configuring NCIA Server

Configuring the Airline Product Set

Configuring DSPU and SNA Service Point Support

Configuring SNA Switching Services

Configuring Cisco Transaction Connection

Configuring Cisco Mainframe Channel Connection Adapters

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Table 6

Cisco IOS Software Release 12.1 Docum entation Set (continued)

Books

Chapter Topics

(Continued)

Configuring CLAW and TCP/IP Offload Support

Configuring CMPC and CSNA

Configuring CMPC+

Configuring the TN3270 Server

•

Cisco IOS Bridging and IBM Networking

Configuration Guide

Cisco IOS Bridging and IBM Networking Command

Reference, Volume I

Cisco Bridging and IBM Networking Command

Reference, Volume II

Cisco IOS Dial Services Configuration Guide:

Terminal Services

Large-Scale Dial Solutions

Cost-Control Solutions

Virtual Private Networks

X.25 on ISDN Solutions

Telco Solutions

Dial-Related Addressing Services

Internetworking Dial Access Scenarios

Preparing for Dial Access

Cisco IOS Dial Services Configuration Guide:

Network Services

Cisco IOS Dial Services Command Reference

Modem Configuration and Management

ISDN and Signalling Configuration

PPP Configuration

Dial-on-Demand Routing Configuration

Dial-Backup Configuration

Terminal Service Configuration

•

Cisco IOS Interface Configuration Guide

Cisco IOS Interface Command Guide

Interface Configuration Overview

Configuring LAN Interfaces

Configuring Serial Interfaces

Configuring Logical Interfaces

•

Cisco IOS IP and IP Routing Configuration Guide

Cisco IOS IP and IP Routing Command Reference

IP Overview

Configuring IP Addressing

Configuring DHCP

Configuring IP Services

Configuring Mobile IP

Configuring On-Demand Routing

Configuring RIP

Configuring IGRP

Configuring OSPF

Configuring IP Enhanced IGRP

Configuring Integrated IS-IS

Configuring BGP

Configuring Multicast BGP (MBGP)

Configuring IP Routing Protocol-Independent Features

Configuring IP Multicast Routing

Configuring Multicast Source Discovery Protocol

Configuring PGM Router Assist

Configuring Unidirectional Link Routing

Using IP Multicast Tools

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Table 6

Cisco IOS Software Release 12.1 Docum entation Set (continued)

Books

Chapter Topics

•

Cisco IOS Multiservice Applications Configuration

Guide

Multiservice Applications Overview

Configuring Voice over IP

Configuring Gatekeepers (Multimedia Conference Manager)

Configuring Voice over Frame Relay

Configuring Voice over ATM

•

Cisco IOS Multiservice Applications Command

Reference

Configuring Voice over HDLC

Configuring Voice-Related Support Features

Configuring PBX Signaling

Configuring Store and Forward Fax

Configuring Video Support

Configuring Head-End Broadband Access Router Features

Configuring Subscriber-End Broadband Access Router

Features

Configuring Synchronized Clocking

•

Cisco Quality of Service Solutions Configuration

Guide

Quality of Service Overview

Classification Overview

Configuring Policy-Based Routing

Configuring QoS Policy Propagation via Border Gateway

Protocol

Cisco IOS Quality of Service Solutions Command

Reference

Configuring Committed Access Rate

Congestion Management Overview

Configured Weighted Fair Queueing

Configuring Custom Queueing

Configuring Priority Queueing

Congestion Avoidance Overview

Configuring Weighted Random Early Detection

Policing and Shaping Overview

Configuring Generic Traffic Shaping

Configuring Frame Relay and Frame Relay Traffic Shaping

Signalling Overview

Configuring RSVP

Configuring Subnetwork Bandwidth Manager

Configuring RSVP-ATM Quality of Service Internetworking

Link Efficiency Mechanisms Overview

Configuring Link Fragmentation and Interleaving for Multilink

PPP

Configuring Compressed Real-Time Protocol

IP to ATM CoS Overview

Configuring IP to ATM CoS

QoS Features for Voice Introduction

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Table 6

Cisco IOS Software Release 12.1 Docum entation Set (continued)

Books

Chapter Topics

•

Cisco IOS Security Configuration Guide

TACACS+ Commands

Access Control Lists: Overview and Guidelines

Cisco Secure Integrated Software Firewall Overview

Configuring Lock-and-Key Security (Dynamic Access Lists)

Configuring IP Session Filtering (Reflexive Access Lists)

Configuring TCP Intercept (Prevent Denial-of-Service Attacks)

Configuring Context-Based Access Control

Configuring Cisco Secure Integrated Software Intrusion

Detection System

Cisco IOS Security Command Reference

Configuring Authentication Proxy

Configuring Port to Application Mapping

IP Security and Encryption Overview

Configuring IPSec Network Security

Configuring Certification Authority Interoperability

Configuring Internet Key Exchange Security Protocol

Configuring Passwords and Privileges

Neighbor Router Authentication: Overview and Guidelines

Configuring IP Security Options

•

Cisco IOS Switching Services Configuration Guide

Cisco IOS Switching Services Command Reference

Configuring MPLS

Configuring IP Multilayer Switching

Configuring IP Multicast Multilayer Switching

Configuring IPX Multilayer Switching

Configuring Multicast Distributed Switching

Routing Between VLANs Overview

Configuring Routing Between VLANs with ISL Encapsulation

Configuring Routing Between VLANs with IEEE 802.10

Encapsulation

Configuring Routing Between VLANs with IEEE 802.1Q

Encapsulation

LAN Emulation Overview

Configuring LAN Emulation

Configuring Token Ring LANE

MPOA Overview

Configuring the MPOA Client

Configuring the MPOA Server

Configuring Token Ring LANE for MPOA

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Table 6

Cisco IOS Software Release 12.1 Docum entation Set (continued)

Books

Chapter Topics

•

Cisco IOS Wide-Area Networking Configuration Guide Wide-Area Networking Overview

Configuring ATM

Cisco IOS Wide-Area Networking Command Reference

Frame Relay

Frame Relay-ATM Internetworking

Configuring SMDS

Configuring X.25 and LAPB

•

Cisco IOS Configuration Guide Master Index

Cisco IOS Command Reference Master Index

Cisco IOS Command Summary

Cisco IOS Debug Command Reference

Cisco IOS Dial Services Quick Configuration Guide

Cisco IOS New Features Index

(Cisco.com and Documentation CD only)

•

Cisco IOS System Error Messages

Note

Cisco Management Information Base (MIB) User Quick Reference is no longer published.

If you have an account with Cisco.com, you can find latest list of MIBs supported by

Cisco. To reach the Cisco Network Management Toolkit, press Login at Cisco.com and go

to Software Center: Network Mgmt Products: Cisco Network Management Toolkit.

Obtaining Documentation

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at http://www.cisco.com,

http://www-china.cisco.com, or http://www-europe.cisco.com.

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. Therefore, it is probably more current

than printed documentation. The CD-ROM package is available as a single unit or as an annual

subscription.

Ordering Documentation

Registered Cisco.com users can order the Documentation CD-ROM and other Cisco Product

documentation through our online Subscription Services at

http://www.cisco.com/cgi-bin/subcat/kaojump.cgi.

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Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco’s corporate headquarters (California, USA) at 408 526-4000 or, in North America, call

800 553-NETS (6387).

Obtaining Technical Assistance

Cisco provides Cisco.com as a starting point for all technical assistance. Warranty or maintenance

contract customers can use the Technical Assistance Center. All customers can submit technical

feedback on Cisco documentation using the web, e-mail, a self-addressed stamped response card

included in many printed documents, or by sending mail to Cisco.

Cisco.com

Cisco continues to revolutionize how business is done on the Internet. 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’s broad range of features and services helps customers and partners to streamline business

processes and improve productivity. Through Cisco.com, you will find information about Cisco and our

networking solutions, services, and programs. In addition, you can resolve technical issues with online

support services, 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 may order products, check on the status of an order and view benefits

specific to their relationships with Cisco.

You can access Cisco.com in the following ways:

•

WWW: www.cisco.com

Telnet: cco.cisco.com

Modem using standard connection rates and the following terminal settings: VT100 emulation;

8 data bits; no parity; and 1 stop bit.

–

From North America, call 408 526-8070

From Europe, call 33 1 64 46 40 82

You can e-mail questions about using Cisco.com to [email protected].

Technical Assistance Center

The Cisco Technical Assistance Center (TAC) is available to warranty or maintenance contract

customers who need technical assistance with a Cisco product that is under warranty or covered by a

maintenance contract.

To display the TAC web site that includes links to technical support information and software upgrades

and for requesting TAC support, use www.cisco.com/techsupport.

To contact by e-mail, use one of the following:

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System Requirements

Language

E-mail Address

English

[email protected]

Hanzi (Chinese)

Kanji (Japanese)

Hangul (Korean)

Spanish

[email protected]

Thai

[email protected]

In North America, TAC can be reached at 800 553-2447 or 408 526-7209. For other telephone numbers

and TAC e-mail addresses worldwide, consult the following web site:

http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.

Software Configuration Tips on the Cisco Technical Assistance Center

Home Page

If you have a Cisco.com log-in account, you can access the following URL, which contains links and

tips on configuring your Cisco products:

http://www.cisco.com/public/technotes/tech_sw.html

This URL is subject to change without notice. If it changes, point your Web browser to

Cisco.com, press Login, and click on this path: Technical Assistance Center: Technical Tips.

The following sections are provided from the Technical Tips page:

•

Access Dial Cookbook—Contains common configurations or recipes for configuring various

access routes and dial technologies.

Field Notices—Notifies you of any critical issues regarding Cisco products and includes problem

descriptions, safety or security issues, and hardware defects.

Frequently Asked Questions—Describes the most frequently asked technical questions about Cisco

hardware and software.

•

Hardware—Provides technical tips related to specific hardware platforms.

Hot Tips—Describes popular tips and hints gathered from the Cisco Technical Assistance Center

(TAC). Most of these documents are available from the TAC Fax-on-demand service. To reach

Fax-on-demand and receive documents at your fax machine from the United States, call

888-50-CISCO (888-502-4726). From other areas, call 650-596-4408.

•

Internetworking Features—Lists tips on using Cisco IOS software features and services.

Sample Configurations—Provides actual configuration examples that are complete with topology

and annotations.

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.

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You can e-mail your comments to [email protected].

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 and value your comments.

This document is to be used in conjunction with the documents listed in the “Related Documentation” section on page 13.

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All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship

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