[c-nsp] 6500/Sup720 losing "startup-config"

[Mack McBride]

There are ROMMON upgrades for the Sup720.
However it sounds like you have a problem with the NVRAM.
It sounds like the older NVRAM was not flash based and
the battery has died.  It may be possible to replace the 
battery if it isn't part of the NVRAM unit and isn't 
soldered to the Sup720.

LR Mack McBride
Network Architect
Viawest, Inc.

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Peter Rathlev
Sent: Tuesday, June 29, 2010 9:54 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] 6500/Sup720 losing "startup-config"

I have an old (~7 years) Sup720 PFC3BXL that has been running fine for
all it's life and is now to act as a secondary node in a new place.

I've loaded it with the new config and new IOS and (soft) reloaded a
couple of times; no problems there. But when I "hard" reload it (i.e.
take away power) the startup-config and ROMMON parameters disappear.
It's completely reproducible, every time I take away power it has no
startup-config and the ROMMON settings are the default settings.

When booting up it writes the following message on the console:

- RELIABILITY DRIVER: wrong signature on NVFLASH

It smells like a battery of some kind run dry, combined with the NVRAM
not being flash based. Anybody have a clue about what I could do? Other
than have it replaced? :-)

I was thinking about a ROMMON upgrade (it's using 12.2(14r)S1 now, newer
boxes we have run 12.2(17r)SX5) but have only found documentation that
suggests that you can't ROMMON upgrade a Sup720. I'm not sure why it
would help though.

-- 
Peter




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