Internet Exchanges supporting jumbo frames?

Nick Hilliard nick at
Wed Mar 9 18:14:29 UTC 2016

Saku Ytti wrote:
> Poller in the IXP has too large MTU, it tries to send ping packets
> with max_size+1, if they work, customer has too large MTU. Also it
> tries to send max_size, if it does not work, customer has too small
> MTU. As icing on top, it tries to send max_size+1 but fragments it to
> max_size and 1, and sees what comes back.

you're recommending that routers at IXPs do inflight fragmentation?


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