Category Archives: Password Recovery

Cisco Password recovery

Cisco Router and Firewall Password Recovery Procedure:

Step 1: Hit ctrl / break directly after powering up the router.
If the break sequence does not work, refer to Standard Break Key Sequence Combinations During Password Recovery
for other key combinations.
Step 2: type: confreg 0x2142 from rommon 1>

Step 3: type: reset from rommon 2> Reset

Step 4: Would you like to enter the initial configuration dialog? [yes/no]: answer NO

Step 5: Type enable at Router>

Step 6:Type configure memory or copy startup-config running-config.

Step 7: Type show running-config.

Step 8: Type configure terminal to change or remove the password from the router.

Step 9: Type enable secret in order to change the enable secret password or type NO ENABLE SECRET to remove the secret from router(config)#>

Step 10: type: NO ENABLE PASSWORD to remove the password from router (config)#>

Step 14: Type the no shutdown command on every interface that you use.

Step 12: Type config-register . For example: hostname(config)#config-register 0x2102 .

Step 13: Hit Ctrl / z or end to leave the configuration mode.

Step 14: Type write memory or copy running-config startup-config to save the changes.

Recovering password with disable password recovery
http://packetlife.net/blog/2010/oct/11/recovering-no-service-password-recovery-service/

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FIREWALL
reboot
send break / esc
goto #confreg 0x41
#boot
#login Enable
#copy s r
#change password
#conf t
#config-register 0x01
#reload