[155945] in North American Network Operators' Group
Re: MTU mismatch on one link
daemon@ATHENA.MIT.EDU (Justin M. Streiner)
Fri Aug 31 10:48:24 2012
Date: Fri, 31 Aug 2012 10:47:32 -0400 (EDT)
From: "Justin M. Streiner" <streiner@cluebyfour.org>
To: nanog@nanog.org
In-Reply-To: <5040CD54.4080509@vianet.ca>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, 31 Aug 2012, Andrew K. wrote:
> Besides routing protocol convergence is there any service issues with running
> mismatched MTU? Assuming the packet flow does not exceed the smallest MTU
> value.
Not really, but given the bursty nature of IP traffic, that's a very
dubious assumption.
In other words, you _can_ do it, but it's not a good idea, and can end up
making lots of extra headaches for you/whoever supports this setup.
jms
