Place both RSPs in ROM Monitor mode.
Set the configuration register of the standby RSPto ROM Monitor mode so that the standby RSP does not take control during the password recovery. To set the configuration register to ROM Monitor mode, enter the confreg command at the ROM Monitor mode prompt.
For more information about configuration prompts that are displayed when you enter the confreg command. Set the boot type as 0 to enable ROM Monitor mode during the next system boot.
Set the active RSP configuration register to 0x142:
Reset or power cycle the router so that the new setting takes effect.
Press Return at the prompt to enter the password recovery dialog. Then enter the new root-system username and password and save the configuration, as shown in the following example:
Set the configuration register of the standby RSP card to EXEC mode. Set the boot type as 2 to enable MBI validation mode or the EXEC mode during the next system boot.
Reset the standby RSP so that the new setting takes effect and the standby RSP becomes operational.