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

[Atanas Yankov]

And yeah if you want to boot from system first flash you must have
in config something like this boot system flash c3640-i-mz.122-31.bin
before boot system slot0:c3640-jk9s-mz.122-31.bin


br,
CCNP Atanas Yankov
Network Administrator
AngelSoft Ltd.

Atanas Yankov wrote:

> Simply write boot system slot0:c3640-jk9s-mz.122-31.bin the only thing 
> that you need to change is name of ios depend on what you have , yes 
> you a right there is no explicit command and you can't see in help 
> context ? ;))
>
> br,
> CCNP Atanas Yankov
> Network Administrator
> AngelSoft Ltd.
>
>
> John Neiberger wrote:
>
>> 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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>>>   
>>
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>>
>>  
>>
>
>