2940 IOS upgrade

Answered Question
Aug 31st, 2010
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I'm trying to upgrade the IOS of a 2940 and the Cisco Network Assistant program that I'm using keeps erroring out.  It says "Invalid/incompatible IOS image (Note: Only TAR image is supported."  I am installing a tar image that I have used before.  The image name is c2940-i6k2l2q4-tar.121-22.EA13.tar.  Thanks for your assistance.

Correct Answer by Leo Laohoo about 6 years 9 months ago

Never tried CNA before.  Have you tried using CLI?  Maybe the file is corrupt.  Have you tried testing for the MD5 Hash?


The command is:  archive download-sw tftp:///c2940-i6k2l2q4-tar.121-22.EA13.tar


Hope this helps.  Please don't forget to rate useful posts. 

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Correct Answer
Leo Laohoo Tue, 08/31/2010 - 17:11
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Never tried CNA before.  Have you tried using CLI?  Maybe the file is corrupt.  Have you tried testing for the MD5 Hash?


The command is:  archive download-sw tftp:///c2940-i6k2l2q4-tar.121-22.EA13.tar


Hope this helps.  Please don't forget to rate useful posts. 

charles.e.davis... Wed, 09/01/2010 - 09:05
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I'm sorry to have wasted your time.  I stupidly thought I was working on a 2940 and it was a 2960-8TC.  That is where I ran into trouble.  Thanks for your help on this.

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