Lesson No. 14 Basic router configuration

Basic router configuration

following commands are used in basic router configuration. Have a look at them and grasp them quickly.

Following are the basic commands:

1.        Naming the router

Use: Specifies the name for the router.

Steps:

Router>enable

Router# configure terminal

Router# hostname bca

bca>

Output:

2.        Setting passwords

·         Secret password

Use: Specifies an encrypted password to prevent unauthorized access to the router.

Steps:

bca(config)# enable secret chitkara

Output:

·         Setting console terminal password

Use: Enters line configuration mode, and specifies the console type of line then give unique password for line and enable password checking at terminal session login.

Steps:

bca(config)# line console 0

bca(config-line)# password abc

bca(config-line)# login

bca(config-line)# exit

bca(config)#

Output:

·         Setting virtual terminal password

Use: Specifies a virtual terminal for remote console access.

Steps:

bca(config)# line vty 0 4

bca(config-line)# password def

bca(config-line)# login

bca(config-line)# exit

bca(config)#

Output:

3.        Configuring interfaces

·         Fast Ethernet interface

Use: Enters interface mode and then give ip address, subnet mask.

Steps:

bca(config)# interface fa0/0

bca(config-if)# ip address 192.168.10.1 255.255.0.0

bca(config-if)# no shutdown

bca(config-if)# exit

Output:

·         Serial interface

Use: Enters serial interface mode and then give ip address, subnet mask and clock rate. Clock rate will be given only if the serial port is DCE.

Steps:

bca(config)# interface se0/0

bca(config-if)#ip address 192.168.30.1 255.255.0.0

bca(config-if)#no shutdown

bca(config-if)# clockrate 6400

bca(config-if)#exit

Output:

4.        Message of the banner

Use: Message will be shown when we enter the command line interface of the router.

Steps:

bca(config)# banner motd %message....%

bca(config)#

Output:

Output:

Ping command from PC1 to router