Reset a Cisco 2800 series router to factory default without the enable password
From Peter Pap's Technowiki
Revision as of 23:09, 3 February 2013 by Ppapa (talk | contribs) (Created page with "So you have a router you want to reset, but don't know the enable password. Here's what to do: 1. Connect to the serial console. 2. Power off the router and then power on. 3....")
So you have a router you want to reset, but don't know the enable password. Here's what to do:
1. Connect to the serial console.
2. Power off the router and then power on.
3. Send the router a BREAK. This should bring you to the rommon prompt
4. Type this command at the rommon prompt in order to boot from Flash.
confreg 0x2142
5. Reset the router.
reset
6. The router should now boot into the Initial config dialogue:
Would you like to enter the initial configuration dialog? [yes/no]: yes
7. Follow the prompts.
If you want to preserve the running config, follow the instructions [here http://www.cisco.com/en/US/products/hw/routers/ps259/products_password_recovery09186a0080094675.shtml].
