Niels Bakker wrote on 10/3/16 02:44: > * nanog@nanog.org (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?
-- Tassos
