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Useful Router commands and configuration

20091130 | No Comments

Router (Router commands) working with two main ports, configuration and communication port. We manage all router setting using configuration port. Here are some useful router commands to manage router configuration.

Set Line Console Password

router>enable

router#configure terminal

router(config)#line console 0

router(config-line)#login

router(config-line)#password submask

router(config-line)#exit

router(config)#exit

Remove Console password

router>enable

router#configure terminal

router(config)#line console 0

router(config-line)#no login

router(config-line)#no password

router(config-line)#exit

router(config)#exit

Remove Secret Password

router>enable

router#configure terminal

router(config)#no enable secret

router(config)#exit

How to check Configuration Register Value

router>enable

router#show version

How to Administratively shutdown Router's Interface

router>enable

router#configure terminal

router(config)#int s0/0

router(config-if)#shutdown

To Enable Router's Serial Interface

router#configure terminal

router(config)#int s0/0

router(config-if)#no shutdown

To check Serial Interface

router>enable

router(config)#show interfaces s0/0

To set Clock rate on Router's Serial Interface

router>enable

router#configure terminal

router(config)#interface s0/0

router(config-if)#clock rate 64000

DTE/DCE Status

router>enable

router#show controllers s0/0

To Save Running Configuratoin

router#copy running-config startup-config

IOS uploading from Router to TFTP Server

router#copy flash: tftp

Backup Startup Configuration to TFTP

router#copy startup-config tftp

To Save Running Configuration

router#write memory

Deletion of NVRAM Configuration

router#write erase

To check NVRAM Configuration

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