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Fibre Channel (SAN)

Posts: 28
Registered: ‎02-21-2007

Re: FOS 6.0.1a to 6.1.2c upgrade fails


Thanks so much.  After seeing your response, I checked on the ethernet settings and lo and behold, we found there was a duplex mismatch.  Once those issues were taken care of, the download was able to successfully complete.


Posts: 0

Re: FOS 6.0.1a to 6.1.2c upgrade fails


Check both CP cards for duplex mismatch. You have to login on both cards.

Sometimes these settings are reset to auto neg.

I don't know when and why this happens.

But it happens on some of the switches we have in production.

It is very useful for others (hopefully) that you confirm that the auto neg issue solves your FOS code update problem.


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