Monday, February 11, 2013

Cisco Router Configuration Commands

Requirement
Cisco Command
Set a console password to cisco
Router(config)#line con 0
Router(config-line)#
login
Router(config-line)#
password cisco
Set a telnet password
Router(config)#line vty 0 4
Router(config-line)#
login
Router(config-line)#
password cisco
Stop console timing out
Router(config)#line con 0
Router(config-line)#
exec-timeout 0 0
Set the enable password to cisco
Router(config)#enable password cisco
Set the enable secret password to peter.
This password overrides the enable password 
and is encypted within the config file
Router(config)#enable secret peter
Enable an interface
Router(config-if)#no shutdown
To disable an interface
Router(config-if)#shutdown
Set the clock rate for a router with a DCE cable to 64K
Router(config-if)clock rate 64000
Set a logical bandwidth assignment of 64K to the serial interface
Router(config-if)bandwidth 64
Note that the zeroes are not missing
To add an IP address to a interface
Router(config-if)#ip addr 10.1.1.1 255.255.255.0
To enable RIP on all 172.16.x.y interfaces
Router(config)#router rip
Router(config-router)#
network 172.16.0.0
Disable RIP
Router(config)#no router rip
To enable IRGP with a AS of 200, to all interfaces
Router(config)#router igrp 200
Router(config-router)#
network 172.16.0.0
Disable IGRP
Router(config)#no router igrp 200
Static route the remote network is 172.16.1.0, with a mask of 255.255.255.0, the next hop is 172.16.2.1, at a cost of 5 hops
Router(config)#ip route 172.16.1.0 255.255.255.0 172.16.2.1 5
Disable CDP for the whole router
Router(config)#no cdp run
Enable CDP for he whole router
Router(config)#cdp run
Disable CDP on an interface
Router(config-if)#no cdp enable

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