Chapter 1 Basic Router Configuration

Configuring Basic Parameters

Based on the router you have, configure the WAN interface(s) by using one of the following procedures:

Configure the Fast Ethernet WAN Interface

Configure the ATM WAN Interface

Configure the Fast Ethernet WAN Interface

This procedure applies only to the Cisco Secure Router 520 Ethernet-to-Ethernet routers. Perform these steps to configure the Fast Ethernet interface, beginning in global configuration mode:

 

Command

Purpose

Step 1

 

 

interface type number

Enters the configuration mode for a Fast

 

 

Ethernet WAN interface on the router.

 

Example:

 

 

Router(config)# interface fastethernet 4

 

 

Router(config-if)#

 

Step 2

 

 

ip address ip-address mask

Sets the IP address and subnet mask for the

 

 

specified Fast Ethernet interface.

 

Example:

 

 

Router(config-if)#ip address 192.1.12.2

 

 

255.255.255.0

 

 

Router(config-if)#

 

Step 3

 

 

no shutdown

Enables the Ethernet interface, changing its

 

 

state from administratively down to

 

Example:

administratively up.

 

Router(config-if)# no shutdown

 

 

Router(config-if)#

 

Step 4

 

 

exit

Exits configuration mode for the Fast Ethernet

 

 

interface and returns to global configuration

 

Example:

mode.

 

Router(config-if)# exit

 

 

Router(config)#

 

 

 

 

Configure the ATM WAN Interface

This procedure applies only to the Cisco Secure Router 520 ADSL-over-POTS and

Cisco Secure Router 520 ADSL-over-ISDN routers.

Cisco Secure Router 520 Series Software Configuration Guide

 

OL-14210-01

1-5

 

 

 

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Cisco Systems 520 series manual Interface type number, No shutdown, Exit, Routerconfig# interface fastethernet