02-28-2012 08:43 PM - edited 03-07-2019 05:15 AM
Hi,
I have 2811 and 2821 routers in my branches
And decided to upgrade to 12.4(20)T
I find the ios for both download has the same name
c2800nm-adventerprisek9-mz.124-20.T6.bin
also have the same size also have the same MD5
So how to differentiate between both files if I don't know what is for 2811 and what is for 2821
I have tried to upgrade a 2821 router with the 2811 ios file, the router didn't warn me, I think he should at least say no compatible bin file
Or what I think now is that each ios file can upgrade both routers !!!
any advise is appreciated
Regards
02-28-2012 08:44 PM
2811 and 2821 share the same filename.
2801 IOS filename starts with a 2801.
02-29-2012 06:28 AM
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If I remember correctly, the 2851 can use the same IOS image too.
Realize, often within a family seires, the major differences are device size and/or speed of the processor. In such cases, the IOS image can be the same.
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