From: Steven Weber (itweber@xxxxxxxxxxxxx)
Date: Fri Nov 09 2001 - 11:29:52 GMT-3
sometimes if you copy and paste the config and you add in an extra space it
adds that in on the pasted router. Try deleting the config and retyping it
manually, I've had this problem in the past and retyping it seemed to have
fixed the prob.
HTH
Steve
----- Original Message -----
From: Brad Ellis <bellis@ccbootcamp.com>
To: <ccielab@groupstudy.com>
Sent: Friday, November 09, 2001 12:17 AM
Subject: security question - md5
> Does anyone know if IOS v.11.3 calculates the MD5 hashing algorithm
> differently than 12.0 (is there a different version of MD5 that 11.3 uses
> vs. 12.0)? I have a couple routers trying to do some OSPF authentication,
> one with 11.3 and the other with 12.0. They would not authenticate with
> each other even though the keys were identical. Using the same config, it
> worked when I put 12.1 code on the router. Which tells me there is either
> a) an incompatibility between 11.3 MD5 and 12.0 MD5 or a bug in the IOS I
> was using. Im leaning towards a bug in the IOS, since I thought MD5 was a
> standard defined in RFC 1321. Is there anything Im missing? Are there
> different versions of MD5 floating around?
>
> Im having the same problem now between the same 11.3 IOS code and my PIX
> while trying to authenticate RIP. So Im really leaning towards the IOS
> issue, I was just curious if anyone has seen something similar.
>
> thanks,
> -Brad Ellis
> CCIE#5796 (R&S / Security)
> Network Learning Inc
> bellis@ccbootcamp.com
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