Re: [OSPF] What is the use of MTU field in DD packet

Hi Michael,

Nope - it was a pre-RFC 2178 thread involving Derek Yeung, John Moy,  
and others.

Thanks,
Acee

On May 28, 2008, at 6:20 PM, Michael Rozhavsky wrote:

> Hi Acee,
>
>>
>> I happen to remember the discussion of this problem on the OSPF  
>> list and
>> this was not the primary motivation.
>
> I believe this is the discussion you are referring to:
>
> http://marc.info/?l=ms-ospf&m=103430314528492&w=4
>
>> There were lots of problems with
>> bridged heterogeneous LANs with mismatched MTUs (ethernet, FDDI,  
>> token
>> ring, and the worst of all technologies - ATM emulated LANs :^).
>> Adjacencies would come up fine initially but the exchange process  
>> would
>> hang indefinitely when they were restarted due to the router with the
>> larger MTU having a larger database and trying to use full DD  
>> packets.
>> Unfortunately, the OSPF list was hosted on a server at Microsoft
>> Corporation in those days and I don't have access to archives.  
>> Here is some
>> text from RFC 2178, appendix G:
>>
>
> --
>     Michael Rozhavsky

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