Date: Mon, 21 Jun 2010 18:05:12 +0200 From: Lapo Luchini <lapo@lapo.it> To: freebsd-net@freebsd.org Subject: Re: 6to4/stf relay Message-ID: <4C1F8DB8.6080804@lapo.it> In-Reply-To: <4B98CF44.2080605@keff.org> References: <4B98CF44.2080605@keff.org>
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Sebastian Hyrwall wrote: > stf0 in FreeBSD has a non-changeable mtu of 1280. If you're setting up a > 6to4-relay using FreeBSD doesn't this break stuff for other end-hosts > using your relay? Linux for example has a default MTU of 1480. A lower-than-strictly-necessary MTU might be less efficient, but for sure doesn't break anything. OTOH 20 bytes less than the underlying used IPv4 connection (which is known at the time of creation) should be a better default (?). -- Lapo Luchini - http://lapo.it/ “The Magic Words are Squeamish Ossifrage” (Ron Rivest, RSA-129 challenge, 1977)
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