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Re: MTU mismatch on one link
From: Dan White <dwhite () olp net>
Date: Fri, 31 Aug 2012 09:28:44 -0500

On 08/31/12 09:30 -0400, Tom Taylor wrote:
Has anyone run into a situation where the MTU at one end of a link was configured differently from the MTU at the other end? How did you catch it?

In general, do you see any need for a debugging tool to be standardized to find such mismatches?

Performing a ping with a large packet size '-s', and/or with packet
fragmentation turned off '-M do' have been our primary tools for finding
MTU (layer 2 and layer 3) mismatches.

--
Dan White


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