Cisco Router Debug Commands

Enable debug for RIP
debug ip rip
Enable summary IGRP debug information
debug ip igrp events

Enable detailed IGRP debug information
debug ip igrp transactions

Debug IPX RIP
debug ipx routing activity
Debug IPX SAP
debug IPX SAP
Enable debug for CHAP or PAP
debug ppp authentication

Switch all debugging off
no debug all undebug all

CISCO ROUTER CONFIGURATION COMMANDS

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 ciscoRouter(config)#enable password cisco

Set the enable secret password to peter.
This password overrides the enable password and is encypted within the config fileRouter(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 64KRouter(config-if)clock rate 64000
Set a logical bandwidth assignment of 64K to the serial interface
Router(config-if)bandwidth 64Note that the zeroes are not missing
To add an IP address to a interfaceRouter(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 hopsRouter(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