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Cisco 2911 IOS Upgrade Error

ALIAOF_
Level 6
Level 6

I'm trying to tftp new IOS to 2911 router but I keep getting this error:

%Warning: File not a valid executable for this system

 

This is the IOS I am trying to load: c2900-universalk9-mz.SPA.152-4.M6a.bin

 

Anyone encountered this before?

 

4 Replies 4

Leo Laohoo
Hall of Fame
Hall of Fame

Never seen this error message before.  Did you try to compare the MD5 hash value?