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 0x2142 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 0x2102 / 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.
