Cisco Router password reset tutorial

1. The parameters of the terminal configuration software (such as super terminal or secureCRT) are as follows:

Speed: 9600bps

Check bit: None

Data bit: 8

Stop bit: 1

Traffic control: None

2. Restart the vro. Press Ctrl + Fn + Break during the restart process, and press Ctrl + Break on the desktop.

3. the router enters the rommon status during startup.

4. Modify the register value. Enter the command confreg 0x2142 or o/r 0x2142. You can also use question marks to view specific commands.

5. Enter the command I to boot the system. If the device requires Initialization Configuration During the restart process, answer no.

Wocould you like to enter the initial configuration dialog? [Yes/no]: no

Press RETURN to get started!

6. the router will skip the startup configuration and enter the configuration mode. Then, run copy startup-config running-config to copy the startup configuration to the current running configuration. Then you can change the password.

1841 (config) # no enable secret xxxxxxxxx (the words after no can be copied/paste)

1841 (config) # enable secret admin

7. test the new password.

8. Modify the register value: run the config-register 0x2102 command.

9. Run the show version command to view the register value.

10. Save the configurations of the vro.

1841 (config) # wr or copy running-config startup-config (remember to save the vro configuration)