cisco 2800 software guide

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Corporate Headquarters:

Copyright 2004 Cisco Systems, Inc. All rights reserved.

Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

Preface

This preface describes the objectives, audience, organization, and conventions of the software

configuration documentation for your router. It contains the following sections:

Objectives, page 1

Audience, page 1

Conventions, page 1

Obtaining Documentation, page 2

Documentation Feedback, page 3

Obtaining Technical Assistance, page 3

Obtaining Additional Publications and Information, page 5

ObjectivesThese documents explains how to configure and maintain your Cisco router.

AudienceThese documents are designed for the person installing, configuring, and maintaining the Cisco router,

who should be familiar with networking technology and terminology.

ConventionsThese documents use the conventions listed in Table 1to convey instructions and information.


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Obtaining Documentation

Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the

manual.

Timesaver Means the described action saves time. You can save time by performing the action described in the

paragraph.

Tip 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.

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

damage or loss of data.

Obtaining DocumentationCisco documentation and additional literature are available on Cisco.com. Cisco also provides several

ways to obtain technical assistance and other technical resources. These sections explain how to obtain

technical information from Cisco Systems.

Cisco.com

You can access the most current Cisco documentation at this URL:

http://www.cisco.com/cisco/web/support/index.html

Table 1 Command Conventions

Convention Description

boldface font Commands and keywords.

italic font Variables for which you supply values.

[ ] Optional keywords or arguments appear in square brackets.

{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 italics are not available.

[ ] Default responses to system prompts appear in square brackets.
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Documentation Feedback

You can access the Cisco website at this URL:

http://www.cisco.com

You can access international Cisco websites at this URL:

http://www.cisco.com/public/countries_languages.shtml

Ordering Documentation

For information on obtaining documentationsee the monthly Whats New in Cisco Product

Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

You can order Cisco documentation in these ways:

Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from

the Ordering tool:

http://www.cisco.com/web/ordering/root/index.html

Nonregistered Cisco.com users can order documentation through a local account representative bycalling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in

North America, by calling 1 800 553-NETS (6387).

Documentation FeedbackFor your convenience a documentation feedback form is located at the bottom of every online document

You can submit comments by using the response card (if present) behind the front cover of your

document or by writing to the following address:

Cisco SystemsAttn: Customer Document Ordering170 West Tasman DriveSan Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical AssistanceFor all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco

Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical

Support Website on Cisco.com features extensive online support resources. In addition, Cisco TechnicalAssistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service

contract, contact your reseller.
http://www.cisco.com/http://www.cisco.com/public/countries_languages.shtmlhttp://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.htmlhttp://www.cisco.com/web/ordering/root/index.htmlhttp://www.cisco.com/web/ordering/root/index.htmlhttp://www.cisco.com/public/countries_languages.shtmlhttp://www.cisco.com/http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html


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Obtaining Technical Assistance

Cisco Technical Support Website

The Cisco Technical Support Website provides online documents and tools for troubleshooting and

resolving technical issues with Cisco products and technologies. The website is available 24 hours a day,

365 days a year, at this URL:

http://www.cisco.com/techsupport

Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password.

If you have a valid service contract but do not have a user ID or password, you can register at this URL:

http://tools.cisco.com/RPF/register/register.do

Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting

a web or phone request for service. You can access the CPI tool from the Cisco Technical Support

Website by clicking the Tools & Resourceslink under Documentation & Tools.Choose Cisco Product

Identification Toolfrom the Alphabetical Index drop-down list, or click the Cisco Product

Identification Toollink under Alerts & RMAs. The CPI tool offers three search options: by product ID

or model name; by tree view; or for certain products, by copying and pasting showcommand output.

Search results show an illustration of your product with the serial number label location highlighted.Locate the serial number label on your product and record the information before placing a service call.

Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3

and S4 service requests are those in which your network is minimally impaired or for which you require

product information.) After you describe your situation, the TAC Service Request Tool provides

recommended solutions. If your issue is not resolved using the recommended resources, your service

request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone.

(S1 or S2 service requests are those in which your production network is down or severely degraded.)

Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business

operations running smoothly.

To open a service request by telephone, use one of the following numbers:

Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227) EMEA: +32 2 704 55 55 USA: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity

definitions.

Severity 1 (S1)Your network is down, or there is a critical impact to your business operations. You

and Cisco will commit all necessary resources around the clock to resolve the situation.
http://www.cisco.com/techsupporthttp://tools.cisco.com/RPF/register/register.dohttp://www.cisco.com/techsupport/servicerequesthttp://www.cisco.com/techsupport/contactshttp://www.cisco.com/techsupport/contactshttp://www.cisco.com/techsupport/servicerequesthttp://tools.cisco.com/RPF/register/register.dohttp://www.cisco.com/techsupport


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Obtaining Additional Publications and Information

Severity 2 (S2)Operation of an existing network is severely degraded, or significant aspects of your

business operation are negatively affected by inadequate performance of Cisco products. You and Cisco

will commit full-time resources during normal business hours to resolve the situation.

Severity 3 (S3)Operational performance of your network is impaired, but most business operations

remain functional. You and Cisco will commit resources during normal business hours to restore service

to satisfactory levels.Severity 4 (S4)You require information or assistance with Cisco product capabilities, installation, or

configuration. There is little or no effect on your business operations.

Obtaining Additional Publications and InformationInformation about Cisco products, technologies, and network solutions is available from various online

and printed sources.

Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit

Cisco Marketplace, the company store, at this URL:

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

The Cisco Products and Services Indexdescribes the networking products offered by

Cisco Systems, as well as ordering and customer support services. Access the Products and Services

Indexat this URL:

http://www.cisco.com/en/US/products/index.html

Cisco Presspublishes a wide range of general networking, training and certification titles. Both new

and experienced users will benefit from these publications. For current Cisco Press titles and other

information, go to Cisco Press at this URL:

http://www.ciscopress.com

Internet Protocol Journalis a quarterly journal published by Cisco Systems for engineering

professionals involved in designing, developing, and operating public and private internets and

intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/ipj

World-class networking training is available from Cisco. You can view current offerings at

this URL:

http://www.cisco.com/en/US/learning/index.html
http://www.cisco.com/go/marketplace/http://www.cisco.com/en/US/products/index.htmlhttp://www.ciscopress.com/http://www.cisco.com/ipjhttp://www.cisco.com/en/US/learning/index.htmlhttp://www.cisco.com/en/US/learning/index.htmlhttp://www.cisco.com/ipjhttp://www.ciscopress.com/http://www.cisco.com/en/US/products/index.htmlhttp://www.cisco.com/go/marketplace/


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Obtaining Additional Publications and Information

Copyright 2004 Cisco Systems, Inc. All rights r eserved.

CCVP, the Cisco logo, and Welcome to the Human Network are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is

a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco

Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity,

Enterprise/Solver, EtherChannel, EtherFast, EtherSwitch, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS,

iPhone, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, iQuick Study, LightStream, Linksys, MeetingPlace, MGX, Networkers,

Networking Academy, Network Registrar, PIX, ProConnect, ScriptShare, SMARTnet, StackWise, The Fastest Way to Increase Your Internet Quotient,

and TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

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

partnership relationship between Cisco and any other company. (0711R)


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Overview

Cisco 2800 series integrated service routers provide a range of models in which you can install a variety

of modules. The number and type of modules vary by platform. Examples of these modules include

WAN interface cards (WICs), voice interface cards (VICs), voice/WAN interface cards (VWICs),

high-speed WAN interface cards (HWICs.), packet voice data modules (PVDMs), network modules

enhanced (NME), advanced integration modules (AIMs), and extension voice modules (EVMs).

These routers feature the following:

The Cisco 2801 router supports two HWIC/WIC/VIC/VWIC slots, capable of supporting both

single-wide and double-wide HWICs, one WIC/VIC/VWIC slot, one VIC/VWIC (voice only) slot,

two Fast Ethernet connections, optional inline power output of up to 120 Watts, and two advanced

integration module (AIM) slots.

The Cisco 2811 router, in addition to the features in the Cisco 2801, supports one single-wide

network module enhanced (NME), four single-width or two double-wide HWICs, and optional

inline power output of up to 160 Watts.

In Cisco 2821 routers, in addition to the features in the Cisco 2811, the network module slot adds

support for a single-wide network module enhanced extended (NME-X), and an additional slot

supports an extension voice module (EVM). Three PVDMs are supported, the LAN ports support

Gigabit Ethernet, and optional inline power output of up to 240 Watts is provided.

In Cisco 2851 routers, in addition to the features in the Cisco 2821, the network module slot adds

support for network module double-wide (NMDs) and network module enhanced extended

double-wide (NME-XDs), and optional inline power output of up to 360 Watts is provided.

Note The interface numbering and asynchronous line numbering on Cisco 2800 series routers are different

from the numbering schemes used on other Cisco modular routers. For details, see the hardware

installation documentation for your router.


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Cisco 2800 Series Software Configuration Documentation

Cisco 2800 Series Software Configuration DocumentationUnlike traditional documentation, wherein all of the information appears within one printed book, the

Cisco 2800 series routers software configuration documentation takes advantage of the capabilities

inherent in web-based presentation. This includes extensive hyperlinking to other information, tools, and

many other resources on Cisco.com.

Instead of chapters, each topic area can be accessed independently. At the top level, available at

Cisco 2800 Series Software Configuration,the main software configuration topics include:

Basic Software Configuration

Basic Software Configuration Using the Setup Command Facility

Basic Software Configuration Using the Cisco IOS Command-Line Interface

Finding Feature Documentation

Configuration Examples

Troubleshooting and Maintenance

Upgrading the System Image

Using CompactFlash Memory Cards

Using the ROM Monitor

Changing the Configuration Register Settings

Troubleshooting Links

Note Besides the setup facility and the IOS command-line interface, a third way of configuring Cisco routers

is through the Cisco Router and Security Device Manager. Additional information about SDM features,

is available at this URL: http://www.cisco.com/go/sdm

Note You must have an account on Cisco.com to access many of the available tools. If you do not have an

account or have forgotten your username or password, click Cancelat the login dialog box and follow

the instructions.

ContentsFollowing is a list of the main topics covered in the remainder of this overview:

Performing Initial Configuration, page 3

Using the Cisco IOS Startup Sequence, page 8
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/index.htmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/basic/index.htmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/basic/index.htmhttp://www.cisco.com/en/US/docs/routers/access/1800/1841/software/configuration/guide/iosfeat.htmlhttp://www.cisco.com/en/US/docs/routers/access/1800/1841/software/configuration/guide/iosfeat.htmlhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/examples/index.htmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/examples/index.htmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/tac_tsa/index.htmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/tac_tsa/index.htmhttp://www.cisco.com/go/sdmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/examples/index.htmhttp://www.cisco.com/go/sdmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/tac_tsa/index.htmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/basic/index.htmhttp://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/2800/sw/index.htmhttp://www.cisco.com/en/US/docs/routers/access/1800/1841/software/configuration/guide/iosfeat.html


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Performing Initial Configuration

Performing Initial ConfigurationYou can configure your router by using one of the following methods:

Initial Configuration Using the Cisco Router and Security Device Manager, page 3

Initial Configuration Using the Setup Command Facility, page 4 Initial Configuration Using the Command-Line Interface, page 7

Initial Configuration Using the Cisco Router and Security Device Manager

Note We recommend that you use the Cisco Router and Security Device Manager to configure your router.

Built-in verification systems and sanity checks help to ensure both correct configurations and robust

security practices.

The Cisco Router and Security Device Manager (SDM) is an easy-to-use device management tool that

allows you to configure Cisco IOS security features and network connections through an intuitive

web-based graphical user interface.You can use SDM wizards to:

Configure additional LAN and WAN connections

Create firewalls

Configure Virtual Private Network (VPN) connections

Perform security audits

SDM also provides an advanced mode, through which you can configure advanced features, such as

Firewall Policy, Network Address Translation (NAT), VPNs, routing protocols, and other options.

For More Information About SDM and About Your Router

For additional information about SDM features, refer to the SDM online help. Additional information

about SDM is also available at this URL:

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

Here you can find detailed information about SDM, including an SDM FAQ, data sheet, customer

presentation, Flash demo, and links to technical documentation and product updates.

Refer to the quick start guide for your router for other procedures, such as connecting a PC to the router

console port so that you can use the CLI when you need to, and using the router LEDs to verify

installation. The quick start guide may also contain important warranty information.

Obtaining the Latest Version of SDM

SDM is regularly enhanced to provide new features. If you are already running SDM on the router, you

can update SDM automatically by clicking on the Tools menu and selecting Update SDM. SDM will

determine whether there is a more recent version available and enables you to download and install it on

the router.

If you have a supported router that does not have SDM installed, you can download the latest version of

SDM free of charge. Instructions for installing it on your router can be found at this URL:

http://www.cisco.com/pcgi-bin/tablebuild.pl/sdm
http://www.cisco.com/go/sdmhttp://www.cisco.com/pcgi-bin/tablebuild.pl/sdmhttp://www.cisco.com/pcgi-bin/tablebuild.pl/sdmhttp://www.cisco.com/go/sdm


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You should consult the SDM release notes to determine if SDM is supported for the router on which you

want to install it.

If the following messages appear at the end of the startup sequence, Cisco Router and Security Device

Manager (SDM) is installed on your router:

yourname con0 is now available

Press RETURN to get started.

Tip If these messages do not appear, SDM was not shipped with your router. If you want to use SDM, you

can download the latest version of SDM and instructions for installing it on your router from the

following URL:http://www.cisco.com/pcgi-bin/tablebuild.pl/sdmTo obtain the SDM quick start guide, SDM release notes, and other SDM documentation, go to

http://www.cisco.com/go/sdmand click the Technical Documentation link.

For instructions on configuring your router by using SDM, refer to the Cisco Router and Security Device

Manager (SDM) Quick Start Guidethat shipped with your router.

Initial Configuration Using the Setup Command Facility

This section shows how to use the setup command facility to configure a host name for the router, set

passwords, and configure an interface for communication with the management network.

If the following messages appear at the end of the startup sequence, the setup command facility has been

invoked automatically:

--- System Configuration Dialog ---

At any point you may enter a question mark '?' for help.Use ctrl-c to abort configuration dialog at any prompt.

Default settings are in square brackets '[]'.

Would you like to enter the initial configuration dialog? [yes/no]:

The setup command facility prompts you for basic information about your router and network, and it

creates an initial configuration file. After the configuration file is created, you can use the CLI or

Security Device Manager to perform additional configuration.

The prompts in the setup command facility vary, depending on your router model, the installed interface

modules, and the software image. The following example and the user entries (in bold) are shown as

examples only.

Note If you make a mistake while using the setup command facility, you can exit and run the setup command

facility again. Press Ctrl-C, and enter the setupcommand at the privileged EXEC mode prompt

(Router#).

Step 1 To proceed using the setup command facility, enter yes:

Would you like to enter the initial configuration dialog? [yes/no]:yes
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Step 2 When the following messages appear, enter yes to enter basic management setup:

At any point you may enter a question mark '?' for help.

Use ctrl-c to abort configuration dialog at any prompt.


Basic management setup configures only enough connectivityfor management of the system, extended setup will ask you

to configure each interface on the system

Would you like to enter basic management setup? [yes/no]:yes

Step 3 Enter a hostname for the router (this example uses Router):

Configuring global parameters:Enter host name [Router]: Router

Step 4 Enter an enable secret password. This password is encrypted (more secure) and cannot be seen when

viewing the configuration:

The enable secret is a password used to protect access to

privileged EXEC and configuration modes. This password, after

entered, becomes encrypted in the configuration.Enter enable secret: xxxxxx

Step 5 Enter an enable password that is different from the enable secret password. This password is not

encrypted (less secure) and can be seen when viewing the configuration:

The enable password is used when you do not specify an

enable secret password, with some older software versions, andsome boot images.

Enter enable password: xxxxxx

Step 6 Enter the virtual terminal password, which prevents unauthenticated access to the router through ports

other than the console port:

The virtual terminal password is used to protect

access to the router over a network interface.Enter virtual terminal password: xxxxxx

Step 7 Respond to the following prompts as appropriate for your network:

Configure SNMP Network Management? [yes]:

Community string [public]:

A summary of the available interfaces is displayed.

Note The interface numbering that appears depends on the type of Cisco modular router platform and on the

installed interface modules and cards.

Current interface summary

Controller Timeslots D-Channel Configurable modes StatusT1 0/0 24 23 pri/channelized Administratively up

Any interface listed with OK? value "NO" does not have a valid configuration

Interface IP-Address OK? Method Status Prol

FastEthernet0/0 unassigned NO unset up upFastEthernet0/1 unassigned NO unset up dow


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Step 8 Select one of the available interfaces for connecting the router to the management network:

Enter interface name used to connect to the

management network from the above interface summary: fastethernet0/0


Configuring interface FastEthernet0/0:

Use the 100 Base-TX (RJ-45) connector? [yes]:yes

Operate in full-duplex mode? [no]: noConfigure IP on this interface? [yes]:yes

IP address for this interface: 172.1.2.3

Subnet mask for this interface [255.255.0.0] : 255.255.0.0 Class B network is 172.1.0.0, 26 subnet bits; mask is /16

Step 10 The configuration is displayed:

The following configuration command script was created:

hostname Router

enable secret 5 $1$D5P6$PYx41/lQIASK.HcSbfO5q1

enable password xxxxxxline vty 0 4

password xxxxxxsnmp-server community public!

no ip routing

!

interface FastEthernet0/0no shutdown

speed 100

duplex halfip address 172.1.2.3 255.255.0.0

!

interface FastEthernet0/1shutdown

no ip address

end

Step 11 Respond to the following prompts. Select [2] to save the initial configuration.

[0] Go to the IOS command prompt without saving this config.

[1] Return back to the setup without saving this config.

[2] Save this configuration to nvram and exit.

Enter your selection [2]: 2

Building configuration...

Use the enabled mode 'configure' command to modify this configuration.

Press RETURN to get started! RETURN

The user prompt is displayed.Router>

Step 12 Verify the initial configuration. See the Verifying the Initial Configuration section on page 8forverification procedures.

For more information, see the Basic Software Configuration Using the Setup Command Facilitysection,

available at this URL:

http://www.cisco.com/en/US/docs/routers/access/1800/1841/software/configuration/guide/b_setup.htm

l
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Initial Configuration Using the Command-Line Interface

This section describes briefly how to display a command-line interface (CLI) prompt for configuration

using the CLI.

You can use the CLI if the following messages appear at the end of the startup sequence:


At any point you may enter a question mark '?' for help.Use ctrl-c to abort configuration dialog at any prompt.



If these messages do not appear, SDM and a default configuration file were installed on the router at the

factory. To use SDM to configure the router, see the Initial Configuration Using the Cisco Router and

Security Device Manager section on page 3.

Note Be sure to save your configuration changes occasionally so that they are not lost during resets, power

cycles, or power outages. Use the copy running-config startup-configcommand at the privileged

EXEC mode prompt (Router#) to save the configuration to NVRAM.

Step 1 To proceed with manual configuration using the CLI, enter nowhen the power-up messages end:

Would you like to enter the initial configuration dialog? [yes/no]: no

Step 2 Press Returnto terminate autoinstall and continue with manual configuration:

Would you like to terminate autoinstall? [yes] Return

Several messages appear, ending with a line similar to the following:Copyright (c) 1986-2004 by cisco Systems, Inc.

Compiled by

Step 3 Press Returnto display the Router>prompt:

...flashfs[4]: Initialization complete.

Router>

Step 4 Enter privileged EXEC mode:

Router> enableRouter#

Step 5 Verify the initial configuration. See the Verifying the Initial Configuration section on page 8for

verification procedures.

For more information on using the CLI for router configuration, see the Basic Software Configuration

Using the Cisco IOS Command-Line Interfacesection, available at this URL:

http://www.cisco.com/en/US/docs/routers/access/1800/1841/software/configuration/guide/b_cli.html
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Using the Cisco IOS Startup Sequence

Verifying the Initial Configuration

To verify that the new interfaces are operating correctly, perform the following tests:

To verify that the interfaces are operating correctly and that the interfaces and line protocol are in

the correct stateup or downenter the show interfacescommand.

To display a summary status of the interfaces configured for IP, enter the show ip interface brief

command.

To verify that you configured the correct host name and password, enter the show configuration

command.

When you have completed and verified the initial configuration, your Cisco router is ready to configure

for specific functions.

Using the Cisco IOS Startup SequenceThis section explains how to use the IOS Startup sequence to configure your router, as an alternative to

using SDM.

Note Because SDM uses a default configuration file, if you have used SDM to configure your router, it will

not execute the standard Cisco IOS startup sequence.

Using the Cisco IOS setup utility enables you to use TFTP or BOOTP configuration download, or use

other features available through the standard Cisco IOS startup sequence.

The configuration file shipped with your router does the following:

Provides an IP address for your Fast Ethernet interface, enabling an interface to your LAN

Enables your routers HTTP/HTTPS server, allowing HTTP access from your LAN

Creates a default username (cisco) and password (cisco) with privilege level 15

Enables Telnet/SSM access to the router from your LAN

To erase the existing configuration and use the Cisco IOS startup sequence, perform the following steps.

Note SDM remains installed on the router. See the Enabling SDM on a Router Configured to Use the IOS

Startup Sequence section on page 9for instructions to reenable it.

Step 1 Connect the light blue console cable, included with your router, from the blue console port on your router

to a serial port on your PC. Refer to the hardware installation guide that came with your router for

instructions.

Step 2 Connect the power supply to your router, plug the power supply into a power outlet, and turn on your

router. Refer to the quick start guide that came with your router for instructions.

Step 3 Use Hyperterminal or a similar terminal emulation program on your PC, with the terminal emulation

settings of 9600 baud, 8 data bits, no parity, 1 stop bit, and no flow control, to connect to your router.


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Step 4 At the prompt, enter the enable command. The default configuration file does not configure an enable

password:

yourname> enable

yourname#

Step 5 Enter the erase startup-config command:

yourname# erase startup-config

Step 6 Confirm the command by pressing Enter.

Step 7 Enter the reload command:

yourname# reload

Step 8 Confirm the command by pressing Enter.

The router begins executing the standard startup sequence. If you want to use SDM to perform

subsequent configurations for the router, you must reconfigure the router manually to support web-based

applications, and the Telnet and Secure Shell (SSH) protocols. You must also create a user account with

a privilege level of 15. See the Enabling SDM on a Router Configured to Use the IOS Startup

Sequence section on page 9for information on doing this.

Enabling SDM on a Router Configured to Use the IOS Startup Sequence

If you erased the factory startup configuration to use the IOS startup sequence, you can still use SDM.

To do so, you must configure the router to support web-based applications, configure it with a user

account defined with privilege level 15, and then configure it to support the Telnet and SSH protocols.

These changes can be made using a telnet session or using a console connection.

Configuring the Router to Support Web-Based Applications, a User with Priv 15, and Telnet/SSH

Step 1 Enable the HTTP/HTTPS server on the router, using the following Cisco IOS commands in the global

configuration mode:

Router(config)#ip http server

Router(config)#ip http secure-server

Router(config)#ip http authentication local

If the router uses an IPSec IOS image, the HTTPS server is enabled. Otherwise only the HTTP server is

enabled.

Step 2 Create a user account with privilege level 15 (enable privileges, if necessary).

Router(config)#usernameprivilege15password0

Replace and with the username and password of your choosing.

Step 3 Configure SSH and Telnet for local login and privilege level 15:

line vty 0 4privilege level 15

login local

transport input telnet

transport input telnet ssh


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Step 4 (Optional) Enable local logging to support the log monitoring function:

Router(config)#logging buffered 51200 warning

To use SDM on a router that has received a manual configuration, see the Starting SDM on a Manually

Configured Router section on page 10.

Starting SDM on a Manually Configured Router

Note By default, the DHCP server is turned off on the Cisco 28xx series routers.

SDM is a web-based application that must be run from a PC that is connected to the router over a LAN.

If the router is configured as a DHCP server, the PC must be configured to receive an IP address

automatically. If the router is not configured as a DHCP server, you must configure the PC with a static

IP address on the same subnet as the router interface to which you are connecting the PC. For example,

if the router has the IP address 172.16.30.1, and the subnet mask is 255.255.255.248, you must configure

the PC to use a network address in the range 172.16.30.2 through 172.16.30.6, and use the same subnetmask as the router.

Step 1 Open a web browser on the PC, and enter the IP address for the router.

https://IP-address

The https://...specifies that the Secure Socket Layer (SSL) protocol will be used for a secure

connection. You can use http://... if SSL is not available.

Step 2 Enter the username and password that you specified in Step 2of Configuring the Router to Support

Web-Based Applications, a User with Priv 15, and Telnet/SSH.

To continue configuring your router, see the Initial Configuration Using the Cisco Router and Security

Device Manager section on page 3.

Copyright 2004 Cisco Systems, Inc. All rights r eserved.

CCVP, the Cisco logo, and Welcome to the Human Network are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is

a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco

Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity,

Enterprise/Solver, EtherChannel, EtherFast, EtherSwitch, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS,

iPhone, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, iQuick Study, LightStream, Linksys, MeetingPlace, MGX, Networkers,

Networking Academy, Network Registrar, PIX, ProConnect, ScriptShare, SMARTnet, StackWise, The Fastest Way to Increase Your Internet Quotient,

and TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

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

partnership relationship between Cisco and any other company. (0711R)


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Basic Software Configuration Using the SetupCommand Facility

You can configure your router by using the Cisco Router and Security Device Manager (SDM), the

Cisco IOS setup command facility, or the Cisco IOS command-line interface (CLI).

Note Wherever possible, we recommend that you use SDM to configure your router. For information on the

availability and use of SDM, see the quick start guide that shipped with your router.

The software configuration documentation describes how to perform configuration tasks by using the

CLI. However, this specific document describes how to perform basic configurations by using the

Cisco IOS setup command facility.

Contents Platforms Supported by This Document, page 1

Information About the Setup Command Facility, page 2

Using the Setup Command Facility to Perform Basic Configuration, page 2

Examples of Using the Setup Command Facility to Configure Interface Parameters, page 5

Completing the Configuration, page 25

Platforms Supported by This DocumentUse this document with the following platforms:

Cisco 1800 series routers




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Information About the Setup Command Facility

Information About the Setup Command FacilityThe setup command facility prompts you to enter the information that is needed to configure a router

quickly. The facility steps you through a basic configuration, including LAN and WAN interfaces. For

more general information about the setup command facility, see the following document:

Cisco IOS Configuration Fundamentals Configuration Guide, Release 12.2:Part 1: Cisco IOS User Interfaces:Using AutoInstall and Setuphttp://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/ffun_c/ffcprt1/fcf002.htm

Using the Setup Command Facility to Perform BasicConfiguration

This section shows how to configure a hostname for the router, set passwords, and configure an interface

for communication with the management network.

Note The messages that will be displayed will vary, depending on your router model, the installed interface


examples only.

Note If you make a mistake while using the setup command facility, you can exit and run the setup command

facility again. Press Ctrl-C, and enter the setupcommand in privileged EXEC mode (Router#).

Step 1 Enter the setup command facility by using one of the following methods: From the Cisco IOS CLI, enter the setupcommand in privileged EXEC mode:

Router> enable

Password:

Router# setup


Continue with configuration dialog? [yes/no]:

If your router reloads and does not already have a configuration file, you are prompted to enter the

setup command facility:


Step 2 To proceed using the setup command facility, enter yes.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/ffun_c/ffcprt1/fcf002.htmhttp://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/ffun_c/ffcprt1/fcf002.htm


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Using the Setup Command Facility to Perform Basic Configuration

Step 3 When the following messages appear, enter yes to enter basic management setup:

At any point you may enter a question mark '?' for help.

Use ctrl-c to abort configuration dialog at any prompt.Default settings are in square brackets '[]'.

Basic management setup configures only enough connectivity

for management of the system, extended setup will ask youto configure each interface on the system

Would you like to enter basic management setup? [yes/no]:yes

Step 4 Enter a hostname for the router (this example uses myrouter):

Configuring global parameters:

Enter host name [Router]: myrouter

Step 5 Enter an enable secret password. This password is encrypted (for more security) and cannot be seen

when viewing the configuration.

The enable secret is a password used to protect access toprivileged EXEC and configuration modes. This password, after

entered, becomes encrypted in the configuration.

Enter enable secret: xxxxxx

Step 6 Enter an enable password that is different from the enable secret password. This password is not

encrypted (and is less secure) and can be seen when viewing the configuration.

The enable password is used when you do not specify an

enable secret password, with some older software versions, and

some boot images.Enter enable password: xxxxxx

Step 7 Enter the virtual terminal password, which prevents unauthenticated access to the router through ports

other than the console port:

The virtual terminal password is used to protect

access to the router over a network interface.

Enter virtual terminal password: xxxxxx


Configure SNMP Network Management? [yes]:

Community string [public]:

A summary of the available interfaces is displayed.

Note The interface numbering that appears is dependent on the type of Cisco modular router platform

and on the installed interface modules and cards.

Current interface summary

Controller Timeslots D-Channel Configurable modes StatusT1 0/0 24 23 pri/channelized Administratively up

Any interface listed with OK? value "NO" does not have a valid configuration

Interface IP-Address OK? Method Status Prol

FastEthernet0/0 unassigned NO unset up up

FastEthernet0/1 unassigned NO unset up dow


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Using the Setup Command Facility to Perform Basic Configuration

Step 9 Select one of the available interfaces for connecting the router to the management network:

Enter interface name used to connect to the

management network from the above interface summary: fastethernet0/0


Configuring interface FastEthernet0/0:

Use the 100 Base-TX (RJ-45) connector? [yes]:yes

Operate in full-duplex mode? [no]: noConfigure IP on this interface? [yes]:yes


Subnet mask for this interface [255.255.0.0] : 255.255.0.0 Class B network is 172.1.0.0, 16 subnet bits; mask is /16

The configuration is displayed:

The following configuration command script was created:

hostname myrouterenable secret 5 $1$D5P6$PYx41/lQIASK.HcSbfO5q1

enable password xxxxxx

line vty 0 4password xxxxxx

snmp-server community public!no ip routing

!

interface FastEthernet0/0no shutdown

media-type 100BaseX

half-duplexip address 172.1.2.3 255.255.0.0

!

interface FastEthernet0/1shutdown

no ip address

!

end

Step 11 Respond to the following prompts. Select [2] to save the initial configuration:

[0] Go to the IOS command prompt without saving this config.

[1] Return back to the setup without saving this config.

[2] Save this configuration to nvram and exit.

Enter your selection [2]: 2

Building configuration...Use the enabled mode 'configure' command to modify this configuration.

Press RETURN to get started! RETURN

The user prompt is displayed:

myrouter>

After you complete the initial configuration tasks, you can start configuring your Cisco router for

specific functions.


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Examples of Using the Setup Command Facility to Configure Interface Parameters

Examples of Using the Setup Command Facility to ConfigureInterface Parameters

The setup command facility prompts vary and depend on which fixed or modular interfaces are in your

router. This section provides examples that use the setup command facility to perform the followingoperations:

Fast Ethernet Interface Configuration, page 5

Gigabit Ethernet Interface Configuration, page 6

1- or 2-Port Serial Interface Configuration, page 8

Asynchronous/Synchronous Serial InterfaceAsynchronous Configuration, page 11

Asynchronous/Synchronous Serial InterfaceSynchronous Configuration, page 11

ISDN Basic Rate Interface Configuration, page 13

Channelized E1/T1 ISDN PRI Interface Configuration, page 19

1-Port, 4-Wire, 56-kbps DSU/CSU Configuration, page 24

Note The messages that will be displayed will vary, depending on your router model, the installed interface


examples only.

Fast Ethernet Interface Configuration

The following is a brief example of configuring a Fast Ethernet interface by using the setup command

facility:

Do you want to configure FastEthernet0/0 interface [yes]:

Use the 100 Base-TX (RJ-45) connector? [yes]:

Operate in full-duplex mode? [no]:Configure IP on this interface? [no]:yes


Number of bits in subnet field [0]:Class A network is 6.0.0.0, 0 subnet bits, mask is /8

Configure IPX on this interface? [yes]:

IPX network number [1]:

Need to select encapsulation type [0] sap (IEEE 802.2)

[1] snap (IEEE 802.2 SNAP)

[2] arpa (Ethernet_II) [3] novell-ether (Novell Ethernet_802.3)

Enter the encapsulation type [2]:

Note Cisco 1841 and Cisco 2801 routers have a hardware limitation on the Fast Ethernet ports FE0/0 and

FE0/1. In half-duplex mode, when traffic reaches or exceeds 100% capacity (equal to or greater than

5 Mbps in each direction), the interface will experience excessive collisions and reset once per second.

To avoid this problem, traffic must be limited to less than 100% of capacity.


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Gigabit Ethernet Interface Configuration

The following is a brief example of configuring a Gigabit Ethernet interface by using the setup command

facility:

Note The Gigabit Ethernet interface is not supported on Cisco 1841, Cisco 2801, or Cisco 2811 routers.

Configuring interface GigabitEthernet0/0: Configure IP on this interface? [yes]:

IP address for this interface [192.168.200.215]: 1.0.0.1

Subnet mask for this interface [255.255.255.0] : 255.0.0.0 Class A network is 1.0.0.0, 8 subnet bits; mask is /8

Note On Cisco 3800 series routers, the port gig 0/0 supports both the small form-factor pluggable Gigabit

Ethernet Interface Converter (SFP GBIC) and RJ-45 media types. The port gig 0/1 supports only RJ-45.

To select between SFP or RJ-45 for port gig 0/0, use the media-typecommand. More details follow in

the Selecting the Port for the Gigabit Ethernet Interface section on page 6 .

The following are two examples of configurations for the Gigabit Ethernet (GE) interface. The first

example shows a sample configuration for RJ-45 mode, applicable to either port gig 0/0 or port gig 0/1:

interface GigabitEthernet0/0

ip address 1.3.153.13 255.0.0.0

duplex autospeed auto

media-type RJ-45

SFP mode (on Cisco 3800 seriers routers only) is available only on port gig 0/0:

interface GigabitEthernet0/0ip address 1.3.153.13 255.0.0.0

duplex auto

speed automedia-type sfp

Selecting the Port for the Gigabit Ethernet Interface

The SFP port is supported for the GE port 0 only. GE port 1 supports only RJ-45 (or copper mode)

operation.

To select SFP type for GE port 0, use the following commands from the command-line interface (CLI):

router(config)# int gigabitEthernet 0/0

router(config-if)#media-type sfp

GigabitEthernet0/0: Changing media to SFP.

Note The SFP port can only be set to 1000-Mbps or automatic speed. Duplex can be set to full-duplex or

automatic mode. Half-duplex communication is not supported.


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The following is a typical show running configcommand output for gig 0/0:

router# show run int gigabitEthernet 0/0

Building configuration...

Current configuration : 156 bytes

!interface GigabitEthernet0/0

no ip addressload-interval 30

shutdown

duplex autospeed auto

media-type sfp

no cdp enableend

Flow Control Capabilities

Both the RJ-45 (copper) and SFP (fiber) modes of operations suppot flow control. This means that

during congestion conditions, pause frames are sent to the far end by the Media Access Control (MAC)

hardware. Also, the MAC hardware will react to the pause frames received. There is no way in current

MAC hardware to track the number of pause frames received or sent.

Flow control is on by default

Currently, there is no command to turn off the flow control capability for any of the Gigabit Ethernet

ports in any of the RJ45 or SFP modes.

Speed/Duplex Settings for the Gigabit Ethernet Ports

Typically, speed and/or duplex communications are configured manually using the speedand/or duplex

CLI commands.

Note For the SFP port, the speed settings can be set to 1000 Mbps or auto only, and duplex can be set to full

or auto only.

The following examples show the available options:

interface gigabitEthernet 0/[0-1]

router(config-if)# speed ?

10 Force 10 Mbps operation


1000 Force 1000 Mbps operation auto Enable AUTO speed configuration

router(config-if)# duplex ?

auto Enable AUTO duplex configuration

full Force full duplex operation half Force half-duplex operation


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If the speed is set to 1000 Mbps, the CLI duplex options change as follows:

router(config-if)# speed 1000



full Force full duplex operation

Similarly, when duplex is set to half, the supported speeds are 10 Mbps, 100 Mbps, or auto as shown

here:



100 Force 100 Mbps operation auto Enable AUTO speed configuration

If the media type is SFP, the available speed and duplex settings are as follows:

router(config-if)#media-type sfp

GigabitEthernet0/0: Changing media to SFP.

You may need to update the speed and duplex settings for this interface.



auto Enable AUTO speed configuration



full Force full duplex operation

Note If the speed and duplex setting for g0/0 in SFP mode is speed=1000and duplex=full,

autonegotiation is in forced mode and autonegotation is turned off. For all other mode settings

of speed or duplex for SFP, autonegotiation is turned on.

If speed=1000and duplex=full modes are specified for both g0/0 and g0/1 interfaces in copper

mode (RJ-45), autonegotiation is still turned on. This is considered to be in forced mode for

speed=1000. This occurence is per the Annex 28D.5 extensions required for clause 40

(1000-BASE-T) IEEE 802.3.

When the speed and duplex modes are forced for 10/100, and full or half modes are forced for

g0/0 and g0/1 interfaces, autonegotiation is turned off. If the interfaces are not in forced mode

for 10/100 speeds, then autonegotation will be turned on.

1- or 2-Port Serial Interface Configuration

The following is a sample configuration for a 1- or 2-port serial interface:

Do you want to configure Serial0/0/0 interface? [yes]:

Some encapsulations supported are

ppp/hdlc/frame-relay/lapb/atm-dxi/smds/x25

Choose encapsulation type [ppp]:


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Note The following sections describe the prompts for each encapsulation type. For PPP and High-Level Data

Link Control (HDLC) encapsulation, no further configuration is needed.

No serial cable seen.

Choose mode from (dce/dte) [dte]:

If no cable is plugged in to your router, you must indicate whether the interface is to be used as DTE or

DCE. If a cable is present, the setup command facility determines the DTE/DCE status. If the serial cable

is DCE, you see the following prompt:

Serial interface needs clock rate to be set in dce mode.The following clock rates are supported on the serial interface.

0

1200, 2400, 4800, 9600, 19200, 38400

56000, 64000, 72000, 125000, 148000, 500000 800000, 1000000, 1300000, 2000000, 4000000, 8000000

Choose clock rate from above: [2000000]:Configure IP on this interface? [yes]:


Subnet mask for this interface [255.0.0.0]:

Class A network is 2.0.0.0, 8 subnet bits; mask is /8Configure IPX on this interface? [no]:yes


Frame Relay Encapsulation

The following is a sample configuration for Frame Relay encapsulation:

The following lmi-types are available to be set,

when connected to a frame relay switch

[0] none

[1] ansi [2] cisco

[3] q933a

Enter lmi-type [2]:

Note The setup command facility prompts you for the data-link connection identifier (DLCI) number only if

you specify nonefor the Local Management Interface (LMI) type. If you accept the default or specify

another LMI type, the DLCI number is provided by the specified protocol.

Enter the DLCI number for this interface [16]:

Do you want to map a remote machines IP address to dlci? [yes]:

IP address for the remote interface: 192.0.0.2

Do you want to map a remote machines IPX address to dlci? [yes]: IPX address for the remote interface: 40.1234.5678


0

1200, 2400, 4800, 9600, 19200, 38400 56000, 64000, 72000, 125000, 148000, 500000

800000, 1000000, 1300000, 2000000, 4000000, 8000000

choose speed from above: [2000000]: 1200

Configure IP on this interface? [yes]:

IP address for this interface: 192.0.0.1 Subnet mask for this interface [255.0.0.0]:


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Class A network is 2.0.0.0, 8 subnet bits; mask is /8

If Internetwork Packet Exchange (IPX) is configured on the router, the setup command facility prompts

you for the IPX map:

Do you want to map a remote machine's IPX address to dlci? [yes]:

IPX address for the remote interface: 40.0060.34c6.90ed

Link Access Procedure, Balanced Encapsulation

The following is a sample of configuration for Link Access Procedure, Balanced (LAPB) encapsulation,

selecting either DCE or DTE mode, with DTE as the default:

lapb circuit can be either in dce/dte mode.

Choose either from (dce/dte) [dte]:

X.25 EncapsulationThe following is an example of X.25 encapsulation:

x25 circuit can be either in dce/dte mode. Choose from either dce/dte [dte]:

Enter local x25 address: 1234

We will need to map the remote x.25 stations x25 address to the remote stations IP/IPX address

Enter remote x25 address: 4321

Do you want to map the remote machines x25 address to IP address? [yes]:


Do you want to map the remote machines x25 address to IPX address? [yes]: IPX address for the remote interface: 40.1234.5678

Enter lowest 2-way channel [1]:

Enter highest 2-way channel [64]:Enter frame window (K) [7]:

Enter Packet window (W) [2]:

Enter Packet size (must be powers of 2) [128]:

ATM Data Exchange Interface Encapsulation

The following is an example of asynchronous transfer mode data exchange interface (ATM-DXI)

encapsulation:

Enter VPI number [1]:

Enter VCI number [1]:

Do you want to map the remote machines IP address to vpi and vci? [yes]:


Do you want to map the remote machines IPX address to vpi and vci? [yes]:

IPX address for the remote interface: 40.1234.5678

Switched Multimegabit Data Service Encapsulation

The following is a sample configuration for switched multimegabit data service (SMDS) encapsulation:

Enter smds address for the local interface: c141.5556.1415

We will need to map the remote smds stations address

to the remote stations IP/IPX address

Enter smds address for the remote interface: c141.5556.1414


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Do you want to map the remote machines smds address to IP address? [yes]: IP address for the remote interface: 192.0.0.2

Do you want to map the remote machines smds address to IPX address? [yes]:


Asynchronous/Synchronous Serial InterfaceAsynchronous ConfigurationThe following is a sample configuration for asynchronous configuration for an

asynchronous/synchronous serial interface:

Do you want to configure Serial1/1 interface? [yes]:Enter mode (async/sync) [sync]: async


Configure IP unnumbered on this interface? [no]: IP address for this interface: 192.0.0.0



Configure LAT on this interface? [no]:Configure AppleTalk on this interface? [no]:

Configure DECnet on this interface? [no]:

Configure CLNS on this interface? [no]:Configure IPX on this interface? [no]:yes


Configure Vines on this interface? [no]:

Configure XNS on this interface? [no]:Configure Apollo on this interface? [no]:

Asynchronous/Synchronous Serial InterfaceSynchronous Configuration

The following is a sample configuration for synchronous configuration for an

asynchronous/synchronous serial interface:

Do you want to configure Serial1/0 interface? [yes]:Enter mode (async/sync) [sync]:

Some supported encapsulations areppp/hdlc/frame-relay/lapb/x25/atm-dxi/smds

Choose encapsulation type [hdlc]:

Note The following sections describe the prompts for each encapsulation type. For PPP and High-Level Data

Link Control (HDLC) encapsulation, no further configuration is needed.

No serial cable seen.Choose mode from (dce/dte) [dte]:

If no cable is plugged in to your router, you must indicate whether the interface is to be used as DTE or

DCE. If a cable is present, the setup command facility determines the DTE/DCE status. If the serial cable

is DCE, you see the following prompt:

Configure IP on this interface? [no]:yes

Configure IP unnumbered on this interface? [no]:IP address for this interface: 192.0.0.0


Class A network is 2.0.0.0, 0 subnet bits; mask is /8Configure LAT on this interface? [no]:


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The following lmi-types are available to be set,when connected to a frame relay switch:

[0] none

[1] ansi

[2] cisco [3] q933a

Enter lmi-type [2]:


you specify nonefor the Link Management Interface (LMI) type. If you accept the default or specify

another LMI type, the DLCI number is provided by the specified protocol.



IP address for the remote interface: 2.0.0.2Do you want to map a remote machines IPX address to dlci? [yes]:



0

1200, 2400, 4800, 9600, 19200, 38400 56000, 64000, 72000, 125000, 148000, 500000

800000, 1000000, 1300000, 2000000, 4000000, 8000000

choose speed from above: [2000000]: 1200Configure IP on this interface? [yes]:


Subnet mask for this interface [255.0.0.0]: Class A network is 2.0.0.0, 8 subnet bits; mask is /8



Do you want to map a remote machine's IPX address to dlci? [yes]: IPX address for the remote interface: 40.0060.34c6.90ed

LAPB Encapsulation

The following is an example of configuration for LAPB encapsulation, selecting either DCE or DTE

mode, with DTE as the default:

lapb circuit can be either in dce/dte mode.


X.25 Encapsulation

The following is a sample configuration for X.25 encapsulation:

x25 circuit can be either in dce/dte mode.

Choose from either dce/dte [dte]:


We will need to map the remote x.25 stations x25 address


Enter remote x25 address: 4321


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Do you want to map the remote machines x25 address to IP address? [yes]: IP address for the remote interface: 2.0.0.2

Do you want to map the remote machines x25 address to IPX address? [yes]:


Enter lowest 2-way channel [1]:

Enter highest 2-way channel [64]:

Enter frame window (K) [7]: Enter Packet window (W) [2]:

Enter Packet size (must be powers of 2) [128]:

ATM-DXI Encapsulation

The following is a sample configuration for asynchronous transfer mode, data exchange interface

(ATM-DXI) encapsulation:

Enter VPI number [1]:Enter VCI number [1]:

Do you want to map the remote machines IP address to vpi and vci? [yes]:

IP address for the remote interface: 2.0.0.2Do you want to map the remote machines IPX address to vpi and vci? [yes]:


SMDS Encapsulation

The following is a sample configuration for switched multimegabit data service (SMDS) encapsulation


We will need to map the remote smds stations address

to the remote stations IP/IPX addressEnter smds address for the remote interface: c141.5556.1414

Do you want to map the remote machines smds address to IP address? [yes]: IP address for the remote interface: 2.0.0.2

Do you want to map the remote machines smds address to IPX address? [yes]:


ISDN Basic Rate Interface Configuration

Valid Integrated Services Digital Network (ISDN) switch types are shown in Table 1.

Table 1 ISDN Switch Types

Country ISDN Switch Type Description

Australia basic-ts013 Australian TS013 switches

Europe basic-1tr6 German 1TR6 ISDN switches

basic-nwnet3 Norwegian NET3 ISDN switches (phase 1)

basic-net3 NET3 ISDN switches (UK and others)

basic-net5 NET5 switches (UK and others)

vn2 French VN2 ISDN switches

vn3 French VN3 ISDN switches

Japan ntt Japanese NTT ISDN switches


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The following is a sample configuration for ISDN basic rate communication:

BRI interface needs isdn switch-type to be configured Valid switch types are:

[0] none..........Only if you don't want to configure BRI.

[1] basic-1tr6....1TR6 switch type for Germany [2] basic-5ess....AT&T 5ESS switch type for the US/Canada

[3] basic-dms100..Northern DMS-100 switch type for US/Canada

[4] basic-net3....NET3 switch type for UK and Europe [5] basic-ni......National ISDN switch type

[6] basic-ts013...TS013 switch type for Australia

[7] ntt...........NTT switch type for Japan [8] vn3...........VN3 and VN4 switch types for France

Choose ISDN BRI Switch Type [2]:

Do you want to configure BRI0/0/0 interface? [yes]:

Some encapsulations supported are ppp/hdlc/frame-relay/lapb/x25

Choose encapsulation type [ppp]:

Note The following sections describe the prompts for each encapsulation type. No further configuration is

needed for HDLC encapsulation.

Do you have service profile identifiers (SPIDs) assigned? [no]: y

Enter SPID1: 12345 Enter SPID2: 12345

Note The setup command facility prompts you for the service profile identifier (SPID) number only if you

specify basic-5ess, basic-ni1, or basic-dms100 for the switch type.

Do you want to map the remote machine's IP address in dialer map? [yes]:

IP address for the remote interface: 192.0.0.1Do you want to map the remote machine's IP address in dialer map? [yes]:

IPX address of the remote interface: 40.0060.34c6.90ed

To get to 192.0.0.1 we will need to make a phone call.

Please enter the phone number to call: 1234567890Configure IP on this interface? [yes]:

Note If your router has at least one configured LAN interface, you can choose to use an unnumbered IP

address on the interface.

Configure IP unnumbered on this interface? [no]:y

Assign to which interface [Ethernet0/0]:

New Zealand basic-nznet3 New Zealand NET3 switches

North America basic-5ess AT&T basic rate switches

basic-dms100 NT DMS-100 basic rate switches

basic-ni1 National ISDN-1 switches

Table 1 ISDN Switch Types (continued)

Country ISDN Switch Type Description


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Note If your router does not have a configured LAN interface, you must use a numbered IP address.


Enter the subnet mask [255.0.0.0]:

Point-to-Point Protocol Encapsulation

The following is a sample configuration for point-to-point protocol (PPP) encapsulation:

Would you like to enable multilink PPP [yes]:

Enter a username for CHAP authentication [Router]:remote_routerEnter a password for CHAP authentication: secret

Note The password, which is used by the Challenge Handshake Authentication Protocol (CHAP)

authentication process, is case sensitive and must exactly match the password for the remote router.

Frame Relay EncapsulationThe following is a sample configuration for Frame Relay encapsulation:

The following lmi-types are available to be set, when connected to a frame relay switch

[0] none

[1] ansi [2] cisco

[3] q933a

Enter lmi-type [2]:

Note The setup command facility prompts you for the DLCI number only if you specify nonefor the LMI

type. If you accept the default or specify another LMI type, the DLCI number is provided by the

specified protocol.



IP address for the remote interface: 2.0.0.2Do you want to map a remote machines IPX address to dlci? [yes]:


Serial interface needs clock rate to be set in dce mode.

The following clock rates are supported on the serial interface.

0

1200, 2400, 4800, 9600, 19200, 38400 56000, 64000, 72000, 125000, 148000, 500000

800000, 1000000, 1300000, 2000000, 4000000, 8000000



IP address for this interface: 192.0.0.1 Subnet mask for this interface [255.0.0.0]:


Note If IPX is configured on the router, the setup command facility prompts you for the IPX map:



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ISDN BRI Line Configuration

Before using a router with an ISDN basic rate interface (BRI) interface, you must order a correctly

configured ISDN BRI line from your local telecommunications service provider.

The ordering process varies from provider to provider and from country to country. However, some

general guidelines apply: Ask for two channels to be called by one number.

Ask for delivery of calling line identification, also known as Caller IDor automated number

identification(ANI).

If the router will be the only device attached to the ISDN BRI line, ask for point-to-point service

and a data-only line.

If you plan to connect another ISDN device (such as an ISDN telephone) to the ISDN BRI line

through the router, ask for point-to-multipoint service (subaddressing is required) and a

voice-and-data line.

ISDN BRI Provisioning by Switch Type

ISDN BRI provisioningrefers to the types of services provided by the ISDN BRI line. Although

provisioning is performed by your ISDN BRI service provider, you must tell the provider what you want

Table 2lists the provisioning you that should order for the router, based on switch type.

Table 2 ISDN Provisioning by Switch Type

Switch Type Provisioning

5ESS Custom BRI For data only

2 B channels for data.Point to point.Terminal type = E.1 directory number (DN) assigned by service provider.MiniTerm (MTERM) = 1.Request delivery of calling line ID on Centrex lines. Set speed for ISDN calls to 56 kbps outside local exchange.

5ESS Custom BRI For voice and data

(Use these values only if you have an ISDN telephone connected.) 2 B channels for voice or data. Multipoint.Terminal type = D.2 directory numbers assigned by service provider.2 service profile identifiers (SPIDs) required, assigned by service provider. MTERM = 2.Number of call appearances = 1.Display = No.Ringing/idle call appearances = idle.Autohold= no.Onetouch = no.Request delivery of calling line ID on Centrex lines. Set speed for ISDN calls to 56 kbps outside local exchange. Directory number 1 can hunt to directory number 2.


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Defining ISDN Service Profile Identifiers

Some service providers assign service profile identifiers (SPIDs) to define the services subscribed to by

an ISDN device. If your service provider requires SPIDs, your ISDN device cannot place or receive calls

until it sends a valid SPID to the service provider when initializing the connection. A SPID is usually aseven-digit telephone number plus some optional numbers, but service providers may use different

numbering schemes. SPIDs have significance at the local access ISDN interface only; the SPID is never

sent to remote routers.

At present, only DMS-100 and NI-1 switch types require SPIDs. Two SPIDs are assigned for the

DMS-100 switch type, one for each B channel. The AT&T 5ESS switch type may support SPIDs, but

we recommend that you set up that ISDN service without SPIDs.

If your service provider assigns you SPIDs, you must define these SPIDs on the router. To define SPIDs

and the local directory number (LDN) on the router for both ISDN BRI B channels, use the following

isdn spidcommand in privileged EXEC mode:

Router(config-if)# isdn spid1spid-number[ldn]

Router(config-if)# isdn spid2spid-number[ldn]

Note Although the LDNis an optional parameter in the command, you may need to enter it so that the router

can answer calls made to the second directory number.

5ESS National ISDN

(NI-1) BRI

For voice and data

Terminal type = A.2 B channels for voice and data.2 directory numbers assigned by service provider.2 SPIDs required; assigned by service provider.Set speed for ISDN calls to 56 kbps outside local exchange. Directory number 1 can hunt to directory number 2.

DMS-100 BRI For voice and data

2 B channels for voice and data.2 directory numbers assigned by service provider.2 SPIDs required; assigned by service provider.Functional signaling.Dynamic terminal endpoint identifier (TEID) assignment.Maximum number of keys = 64.Release key = no, or key number = no. Ringing indicator = no.Electronic Key Telephone Set (EKTS) = no. Permanent Virtual Circuit (PVC) = 2. Request delivery of calling line ID on Centrex lines. Set speed for ISDN calls to 56 kbps outside local exchange. Directory number 1 can hunt to directory number 2.

Table 2 ISDN Provisioning by Switch Type (continued)

Switch Type Provisioning


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Channelized E1/T1 ISDN PRI Interface Configuration

Note Channelized E1/T1 ISDN PRI interfaces are not supported on Cisco 1841 routers.

The following is a sample configuration for a channelized E1/T1 ISDN PRI interface:

The following ISDN switch types are available:

[0] none............If you do not want to configure ISDN [1] primary-4ess....AT&T 4ESS switch type for US and Canada

[2] primary-5ess....AT&T 5ESS switch type for US and Canada

[3] primary-dms100..Northern Telecom switch type for US and Canada

[4] primary-net5....European switch type for NET5 [5] primary-ni......National ISDN Switch type for the U.S

[6] primary-ntt.....Japan switch type

[7] primary-ts014...Australian switch type Choose ISDN PRI Switch Type [2]:

Configuring controller T1 1/0 in pri or channelized mode

Do you want to configure this interface controller? [no]:

Will you be using PRI on this controller? [yes]:

E1/T1 PRI Mode

The following is a sample configuration for E1/T1 PRI mode:

The following framing types are available:

esf | sf

Enter the framing type [esf]:

The following linecode types are available:

ami | b8zs

Enter the line code type [b8zs]:Enter number of time slots [24]:

Do you want to configure Serial1/0:23 interface? [yes]:

Configuring the PRI D-channel

Would you like to enable multilink PPP? [yes]:

Configure IP on this interface? [no]:y Configure IP unnumbered on this interface? [no]:y

Assign to which interface [Ethernet0/0]:

All users dialing in through the PRI will need to be

authenticated using CHAP. The username and password are

case sensitive.Enter more username and passwords for PPP authentication? [no]:y

Enter the username used for dial-in CHAP authentication [Router]:

Enter the PPP password of the user dialing in on PRI:Enter more username and passwords for PPP authentication? [no]:

E1 Channelized Mode

The following is a sample configuration for E1 channelized mode:

The following framing types are available: no-crc4 | crc4

Enter the framing type [crc4]:


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The following linecode types are available: ami | hdb3

Enter the line code type [hdb3]:

Do you want to configure Serial1/1:0 interface?: [Yes]:

Configuring the Channelized E1/T1 serial channels

Some encapsulations supported are

ppp/hdlc/frame-relay/lapb/atm-dxi/smds/x25Choose encapsulation type [ppp]:

Configure IP on this interface? [no]:y

Configure IP unnumbered on this interface? [no]: IP address for this interface: 3.0.0.1



Note The following sections describe the prompts you for each encapsulation type. No further configuration

is needed for HDLC encapsulation.

PPP Encapsulation

The following is a sample configuration for PPP encapsulation:

Would you like to enable multilink PPP [yes]:

Enter a username for CHAP authentication [Router]:remote_router

Enter a password for CHAP authentication: secret

Note The password, which is used by the Challenge Handshake Authentication Protocol (CHAP)

authentication process, is case sensitive and must exactly match the password for the remote router.



The following lmi-types are available to be set,

when connected to a frame relay switch [0] none

[1] ansi

[2] cisco [3] q933a

Enter lmi-type [2]:


you specify nonefor the LMI type. If you accept the default or specify another Local Management

Interface (LMI) type, the DLCI number is provided by the specified protocol.


Do you want to map a remote machines IP address to dlci? [yes]: IP address for the remote interface: 2.0.0.2

Do you want to map a remote machines IPX address to dlci? [yes]:


Serial interface needs clock rate to be set in dce mode.

The following clock rates are supported on the serial interface.

0


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1200, 2400, 4800, 9600, 19200, 38400 56000, 64000, 72000, 125000, 148000, 500000

800000, 1000000, 1300000, 2000000, 4000000, 8000000




Subnet mask for this interface [255.0.0.0]: Class A network is 2.0.0.0, 8 subnet bits; mask is /8





LAPB Encapsulation

The following is a sample configuration for Link Access Procedure, Balanced (LAPB) encapsulation:

lapb circuit can be either in dce/dte mode


ATM-DXI Encapsulation

The following is a sample configuration for asynchronous transfer mode data exchange interface

(ATM-DXI) encapsulation:

Enter VPI number [1]:

Enter VCI number [1]:

Do you want to map the remote machine's IP address to vpi and vci? [yes]: IP address for the remote interface: 6.0.0.1

Do you want to map the remote machine's IPX address to vpi and vci? [yes]:


SMDS Encapsulation

The following is a sample configuration for switched multimegabit data service (SMDS) encapsulation


We will need to map the remote smds station's address to the remote stations IP address

Enter smds address for the remote interface: c141.5556.1414

Do you want to map the remote machine's smds address to IP address? [yes]:

IP address for the remote interface: 192.0.0.1Do you want to map the remote machine's smds address to IP address? [yes]:


X.25 Encapsulation

The following is an example configuration for X.25 encapsulation:x25 circuit can be either in dce/dte mode.Choose from either dce/dte [dte]:


We will need to map the remote x.25 station's x25 address


Do you want to map the remote machine's x25 address to IP address? [yes]: IP address for the remote interface: 6.0.0.1

Do you want to map the remote machine's x25 address to IPX address? [yes]:



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