This morning I was dealing with a failed ACE-20 upgrade; the module was stuck in a reboot loop. For some reason, I was unable to send a BREAK via ssh, through a terminal server, in to the console of the ACE. Without a good way to interrupt the boot sequence, and lacking physical access to the ACE, I needed a way to force the module in to ROMMON. Luckily, the 6500's Sup720 can do it via the EOBC:
<0-15> Specify literal value for the module's boot option
config-register Boot using the module's config-register value
eobc Boot using an image downloaded through EOBC
flash Boot using an image in module's internal flash memory
recovery Trifecta X86 recovery option
rom-monitor Stay in rom-monitor after module reset
6504-1#hw-module module 2 boot rom-monitor
Then, issue a module reset:
6504-1#hw-module module 2 reset
Apparently, this feature has been available since SXF, but I've not needed it until now.
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