CCNA ICND2 Lab 4 – Revert Router Password

Ensurepass

Lab Topology:

Lab Requirements:

1. The router name is ciscobible. The console port of the router is connected to the com port of the PC through a reverse cable.

2. Set the password of the router to ccna and save the settings.

3. Restart the router and decrypt the password.

Lab Process:

Configurations on the router

Router(config)#hostname ciscobible

Ciscobible(config)#enable secret ccna

Ciscobible(config)#exit

Ciscobible#copy running-config startup-config

Ciscobible#reload

When restarting the router, press Ctrl+Break to enter the rommon mode.

>o/r 0×2142 change the value of the configuration registry so that you can enter the session mode after the router is restarted

>i restart the router

When you enter the session mode after the router is started, do not perform any configuration and enter the IOS mode

Router#copy startup-config running-config     / load the configuration to the RAM

Router#configure terminal

Router(config)#no enable secret              / delete the password

Router(config)#config-register 0×2102           / reset the value of the registry

Router(config)#exit

Router#copy running-config startup-config            / save the settings

After the router is restarted, you can enter the privilege mode without a password.





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