Chapter 1 Basic Router Configuration

Configuring Basic Parameters

Configure Global Parameters

Perform these steps to configure selected global parameters for your router:

 

Command

Purpose

Step 1

 

 

configure terminal

Enters global configuration mode, when using the

 

 

console port.

 

Example:

If you are connecting to the router using a remote

 

 

 

Router> enable

terminal, use the following:

 

Router# configure terminal

 

 

Router(config)#

telnet router name or address

 

 

Login: login id

 

 

Password: *********

 

 

Router> enable

Step 2

 

 

hostname name

Specifies the name for the router.

 

Example:

 

 

Router(config)# hostname Router

 

 

Router(config)#

 

Step 3

 

 

enable secret password

Specifies an encrypted password to prevent

 

 

unauthorized access to the router.

 

Example:

 

 

Router(config)# enable secret cr1ny5ho

 

 

Router(config)#

 

Step 4

 

 

no ip domain-lookup

Disables the router from translating unfamiliar

 

 

words (typos) into IP addresses.

 

Example:

 

 

Router(config)# no ip domain-lookup

 

 

Router(config)#

 

 

 

 

For complete information on the global parameter commands, see the Cisco IOS Release 12.3 documentation set.

Configure Fast Ethernet LAN Interfaces

The Fast Ethernet LAN interfaces on your router are automatically configured as part of the default VLAN and as such, they are not configured with individual addresses. Access is afforded through the VLAN. You may assign the interfaces to other VLANs if desired. For more information about creating VLANs, see Chapter 5, “Configuring a LAN with DHCP and VLANs.”

Configure WAN Interfaces

The Cisco Secure Router 520 Ethernet-to-Ethernet routers have one Fast Ethernet interface for WAN connection. The Cisco Secure Router 520 ADSL-over-POTS and Cisco Secure Router 520 ADSL-over-ISDN routers have one ATM interface for WAN connection.

Cisco Secure Router 520 Series Software Configuration Guide

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Cisco Systems 520 series Configure Global Parameters, Configure Fast Ethernet LAN Interfaces, Configure WAN Interfaces