Difference between revisions of "Reset a Cisco 2800 series router to factory default without the enable password"
From Peter Pap's Technowiki
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4. Type this command at the rommon prompt in order to boot from Flash. | 4. Type this command at the rommon prompt in order to boot from Flash. | ||
| − | confreg 0x2142 | + | rommon 1 > '''confreg 0x2142''' |
5. Reset the router. | 5. Reset the router. | ||
| − | reset | + | rommon 2 > '''reset''' |
6. The router should now boot into the Initial config dialogue: | 6. The router should now boot into the Initial config dialogue: | ||
Revision as of 23:15, 3 February 2013
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.
rommon 1 > confreg 0x2142
5. Reset the router.
rommon 2 > 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.
