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MTU mismatch on one link

Subject: MTU mismatch on one link
From: streiner at cluebyfour.org (Justin M. Streiner)
Date: Fri, 31 Aug 2012 10:47:32 -0400 (EDT)
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>

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

Follow-Ups:
- MTU mismatch on one link
  - From: uwcableguy at gmail.com (Ben Bartsch)

References:
- MTU mismatch on one link
  - From: tom.taylor.stds at gmail.com (Tom Taylor)
- MTU mismatch on one link
  - From: dwhite at olp.net (Dan White)
- MTU mismatch on one link
  - From: andrew at vianet.ca (Andrew K.)

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