[c-nsp] Image in slot0: vs. flash after reload

[Thomas Renzy]

Not that I'm aware of. Unless someone else on the list has an idea of
how to find this out, this may have to wait until you reboot this
router.

Thanks,
Thomas


Thomas Renzy 
IT Network Engineering
Symantec Corporation
Office: +650-527-4734
Mobile: +650-248-1099
Fax: +650-527-2034

"Only two things are infinite, the universe and human stupidity, and I'm
not sure about the former." - Albert Einstein

-----Original Message-----
From: John Neiberger [mailto:John.Neiberger at efirstbank.com] 
Sent: Tuesday, March 14, 2006 3:01 PM
To: Thomas Renzy
Cc: cisco-nsp at puck.nether.net
Subject: RE: [c-nsp] Image in slot0: vs. flash after reload

This is a production router so I'm not able to bring it to ROMMON unless
I feel like coming it at 2:00 AM to do it. :-(  The configuration
register is set to 0x2102. Isn't there a way to see the boot variables
without going into ROMMON?

Thanks,
John

>>> "Thomas Renzy" <thomas_renzy at symantec.com> 3/14/06 3:56:46 PM >>>
Hello John,

Assuming that your config-register is set to something like 0x2102, its
probably booting from the BOOT parameter in rommon mode. If your able to
(if you can) bring the router into rommon mode, I would check to see if
this parameter is set and to reset it accordingly. The "set" command in
rommon should tell you all the parameters you need.

rommon 1> set

Hope this helps.

Thomas


Thomas Renzy
IT Network Engineering
Symantec Corporation
Office: +650-527-4734
Mobile: +650-248-1099
Fax: +650-527-2034

"Only two things are infinite, the universe and human stupidity, and I'm
not sure about the former." - Albert Einstein

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of John Neiberger
Sent: Tuesday, March 14, 2006 2:44 PM
To: gtb at slac.stanford.edu
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Image in slot0: vs. flash after reload

The really weird thing that I can't figure out is that I don't have any
"boot system" commands in the config, so why was it running the correct
image in flash before it reloaded? I don't understand how that could
have happened. The router reloaded due to a software forced crash. I
wonder if that somehow caused it to boot the wrong image? I can't
imagine that a software forced crash would current the image in flash.
Is it possible that the image in flash isn't any good so the router
automatically decided to try slot0:, even without the "boot system"
commands?

This is really baking my noodle. I need to figure out why it's behaving
this way before I do anything to it.

Thanks!
John
--

>>> "Buhrmaster, Gary" <gtb at slac.stanford.edu> 3/14/06 3:22:38 PM >>>
That is consistent with my experience.  Not that I like it.  I am
"guessing" that the presumption was that if you had a card in the slot,
and there was an image there, it was the "newer" one, and the boot flash
was the fallback.
Same thing happens by the way) if you have firmware on flash card.

Thinking about where the 3640 was targeted (remote offices), it might
have been because it would be easier to have updates shipped by flash
card, or a backup image on a flash card.

Gary

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net 
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of John
Neiberger
> Sent: Tuesday, March 14, 2006 1:49 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Image in slot0: vs. flash after reload
> 
> I had a 3640 reload and it booted to the image in slot0: 
> instead of the
> image in the on-board flash. Is this expected behavior if no "boot 
> system" statements are in the config? I would have expected it to
boot
> to on-board flash unless I specifically told it boot to the image in

> slot0:, but that is not what happened.
> 
> Any thoughts?
> 
> Thanks,
> John
> --
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