Never underestimate the value of keeping old Boot ROM backups for EoL gear.
Last week, I faced this exact issue with a Cisco 2851. The fix wasn't a standard TFTP recovery. I had to rebuild the . mcpx boot rom image
A screenshot of a terminal showing rommon 2 > followed by copy xmodem: . Never underestimate the value of keeping old Boot
Always back up your Boot ROM image from a working unit using: router# copy bootflash:mcpx-bootrom.bin tftp: I had to rebuild the
If you're hoarding old Cisco gear, go check your Boot ROM version with show version . If you don’t have a backup, make one today. You’ll thank yourself later. Text: Just spent my afternoon reviving a Cisco 2821 with a corrupted MCPX Boot ROM image .
I believe I need to reflash the (e.g., mcpx-bootrom.bin or similar). I’ve checked CCO (requires a valid service contract, which these EoL units don’t have) and the usual archive sites, but most links are dead.
I’m trying to recover a couple of older Cisco 2821 routers that appear to have corrupted Boot ROMs (stuck in ROMmon, rommon 1 > with no ability to load a valid IOS image).