Internet Exchanges supporting jumbo frames?

Tassos Chatzithomaoglou achatz at
Thu Mar 10 06:23:30 UTC 2016

Niels Bakker wrote on 10/3/16 02:44:
> * nanog at (Kurt Kraut via NANOG) [Thu 10 Mar 2016, 00:59 CET]:
>> I'm pretty confident there is no need for a specific MTU consensus and not all IXP participants are obligated to raise their interface MTU if the IXP starts allowing jumbo frames.
> You're wrong here.  The IXP switch platform cannot send ICMP Packet Too Big messages.  That's why everybody must agree on one MTU.
Isn't that the case for IXP's current/default MTU?
If an IXP currently uses 1500, what effect will it have to its customers if it's increased to 9200 but not announced to them?


More information about the NANOG mailing list