Recovering The Root Password On Redundant-Rsp Routers - Cisco ASR 9000 Series Configuration Manual

Password Recovery in ROM Monitor Mode

Recovering the Root Password on Redundant-RSP Routers

Use the following procedure to recover the router password from a router with redundant RSPs.
SUMMARY STEPS
1. Place both RSPs in ROM Monitor mode.
2. 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.
3. 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.
4. Set the active RSP configuration register to 0x142:
5. Reset or power cycle the router so that the new setting takes effect.
6. 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:
7. 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.
8. Reset the standby RSP so that the new setting takes effect and the standby RSP becomes operational.
DETAILED STEPS
Command or Action
Step 1 Place both RSPs in ROM Monitor mode.
Step 2 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.
Example:
rommon B1>
Step 3 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.
Step 4 Set the active RSP configuration register to 0x142:
Step 5 Reset or power cycle the router so that the new setting takes effect.
Step 6 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:
OL-30420-01
confreg
Cisco ASR 9000 Series Aggregation Services Router ROM Monitor Configuration Guide, Release 5.1.x
Recovering the Root Password on Redundant-RSP Routers
Purpose
Note
rommon B1>
rommon B2>
The router password is recovered
successfully.
The configuration
register is not an
environment variable like
TURBOBOOT. Do not
enter an equal sign "(=)"
when entering the
confreg command.
confreg
0x142
reset
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