Date: Sun, 5 Sep 2004 22:04:35 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: freebsd-net@FreeBSD.org, freebsd-arch@FreeBSD.org Subject: better MTU support... Message-ID: <20040906050435.GA72089@funkthat.com>
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In a recent experiment w/ Jumbo frames, I found out that sending ip frames completely ignores the MTU set on host routes. This makes it difficult (or next to impossible) to support a network that has both regular and jumbo frames on it as you can't restrict some hosts to the smaller frames. I now have a patch to ip_output that makes it obay the MTU set on the route instead of that of the interface. Please review: http://people.FreeBSD.org/~jmg/ip_mtu.diff Thanks. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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