[nsp] IOS integrity

Brad Bonin brad at cisco.com
Tue Dec 17 14:06:02 EST 2002


Here is the URL to the config guide for the <verify> command.

http://www.cisco.com/en/US/partner/products/sw/iosswrel/ps1839/products_
feature_guide09186a00800f4b44.html

-----Original Message-----
From: cisco-nsp-bounces@puck.nether.net
[mailto:cisco-nsp-bounces@puck.nether.net] On Behalf Of Siva Valliappan
Sent: Tuesday, December 17, 2002 1:56 PM
To: Cheung, Rick
Cc: cisco-nsp@puck.nether.net
Subject: Re: [nsp] IOS integrity


you can use the verify /md5 command (it may be just verify in older
code). this will compute a md5 hash which you can check against the md5
hash stored on CCO at the software download section.  if the hash values
match, the image is good.  if it doesn't match, it got corrupted in
transit or storage.

cheers
.siva

On Tue, 17 Dec 2002, Cheung, Rick wrote:

> 	Hi, folks, I have a simple question. Is there a way to check the

> integrity of the IOS image once its been TFTP'd to the flash? I've 
> tried a show sum, and compared the file sizes on the flash, but I 
> still encountered situations where the router hangs after the reload.
>
>
>
> Rick Cheung
> NPI IT Wan Team, CCNP
>
>
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