google path mtu?

Mikael Abrahamsson swmike at
Mon Jan 26 11:44:23 CET 2015

On Mon, 26 Jan 2015, Ignatios Souvatzis wrote:

>> when sent 1500 byte packets, and my airport extreme will send PTB=1280.
> to the inside only, or even to the outside for incoming packets?

Inside only. It'll happily receive 1480 sized tunneled IPv6 packets, 
decapsulate and send out to the LAN.

Mikael Abrahamsson    email: swmike at

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