I have tried to change the username and password using the following procedure but when I do so and reboot the router and try to login using the new userid and password it says Authentication failed. What am I doing wrong?
Complete these steps in order to recover your password:
Shut down the router.
Remove the compact flash that is at the back of the router.
Power on the router.
Once the Rommon1> prompt appears, enter this command:
confreg 0x2142
Insert the compact flash.
Type reset.
When you are prompted to enter the initial configuration, type No, and press Enter.
At the Router> prompt, type enable.
At the Router# prompt, enter the configure memory command, and press Enter in order to copy the startup configuration to the running configuration.
Use the config t command in order to enter global configuration mode.
Use this command in order to create a new user name and password:
router(config)#username cisco privilege 15 password
cisco
Use this command in order to change the boot statement:
config-register
0x2102
Use this command in order to save the configuration:
write
memory
Reload the router, and then use the new user name and password to log in to the router.
