From: Kevin Baumgartner (kbaumgar@xxxxxxxxx)
Date: Tue Dec 26 2000 - 16:41:59 GMT-3
Likely none but the purpose of this group is to study for the ccie lab
isn't it?
Don't assume that what is on the lab is what you may see in the real world.
They are really trying to test you and see if you understand the protocols.
Kevin
At 01:17 PM 12/26/00 -0600, Andrew wrote:
>I'd be interested to know of a single network running ISIS and token-ring
>(aside from private 'what if' labs.) ;)
>
>At 09:20 AM 12/26/00 -0800, Kevin Baumgartner wrote:
>
>> So I was trying to do isis over tokenring between two routers.
>>It was never able to form isis neighbors with the other router. If I
>>did "debug isis adj" it showed that the routers was trying to negotiate the
>>length (mtu). Started at 4469
>>
>>20:02:19: ISIS-Adj: Sending L2 LAN IIH on TokenRing1/0, length 4469
>>
>>and the other router would do the same. But neither router would receive
>>any ISIS-Adj.
>>
>> So I was able to find a isis configuration with Tokenring and the mtu was
>>defined to 1500 on the tokenring interfaces. So I put this on both of my
>>routers tokenring interfaces and they formed a isis adj and isis neighbors.
>>
>> So this seems to be a isis with tokenring issue. Might be something to
>>watch for. I am still not quite sure why this is required but then again I
>>still
>>don't understand isis that well.
>>
>> Kevin
>>
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