[c-nsp] FYI: Head's up on Sup720 SP bootrom (rommon) issues

[Michael Nicks]

We had the same thing happen to us a few months back, never got around 
to updating rommon. Thanks for the heads up.

Best Regards,
-Michael

-- 
Michael Nicks
Network Engineer
KanREN
e: mtnicks at kanren.net
o: +1-785-856-9800 x221
m: +1-913-378-6516



Charles Spurgeon wrote:
> FYI. This is a "heads up" on some image loading issues we ran into on
> our Sup720s.
> 
> We had a Sup720 running Native IOS that failed to reload and ended up
> at the "rommon>" prompt due to a read failure on a disk0 image file
> combined with a failure of the SP rommon code to load the backup image
> that had been configured to boot from sup-bootflash.
> 
> In other words, if you have multiple images configured to load in case
> someone walks away with the disk0 flash or in case the flash has a
> read error, and if you have old SP rommon code, then you may find that
> the SP rommon fails just when you need it most.
> 
> The particular failure we had was with 8.1(3) SP rommon code. Tests on
> a lab router with 7.7(1) code showed that it was worse than 8.1(3).
> 
> The bottom line is that we are now loading v8.4(2) rommon code into
> all of our Sup720 SPs, since our lab tests show that it appears to
> function correctly when the flash card is missing or the image file
> doesn't read correctly.
> 
> Thanks,
> 
> -Charles
> 
> Charles E. Spurgeon / UTnet
> UT Austin ITS / Networking
> c.spurgeon at its.utexas.edu / 512.475.9265
> 
> ===========================================================================
> Info on upgrading the rommon can be found in the Sup720 rommon release notes:
> http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/relnotes/ol_5631.htm
> 
> CatIOS command to see what SP rommon version you are running:
> ++++++++++++++++++++++++++++++
> lab-sup720BXL#remote command switch sho ver
> Cisco Internetwork Operating System Software 
> (blah, blah)
> 
> ROM: System Bootstrap, Version 8.4(2) Release
> ++++++++++++++++++++++++++++++
> 
> 
> 
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