Cisco IOS Upgrade

I found that i need to install an IOS upgrade to my router to use the HWIC-1FE module I purchased.  I have a Cisco 2821 router. From the spec sheet i read that i need a minimum IOS of 12.4(15)T.   I called my Cisco retailer and he send me the following file c2801-advsecurityk9-mz.124-22.T.bin . When i tried to load this it says it is not for my hardware.  I am guessing this is because it begins with c2801 and i need it to be c2821?  Should i ask for a different file?  Could i just rename it?  Thank you for your help!
nicolas-cableorganizerAsked:
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thesherminatorCommented:
Nicholas,

You cannot use c2801-advsecurityk9-mz.124-22.T.bin as IOS are platform specific

This is the IOS you need to go far c2800nm-advsecurityk9-mz.124-22.T.bin  
Release Date: 11/Oct/2008
ADVANCED SECURITY
Size: 37187.15 KB  (38079640 bytes)
Minimum Memory: DRAM:256 MB  Flash:64 MB  

I would not suggest changing your file name since I doubt the source of the file. Download the uggested IOS fresh from website and always verify MD5 checksum after copying it

Regards



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ionut_mirCommented:
According to cisco software advisor, the ios for your hardware is:

c2800nm-advsecurityk9-mz.124-20.YA2

Hope this help.
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nicolas-cableorganizerAuthor Commented:
That was it!  Thanks for the help.
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