Date: Thu, 12 Mar 2009 20:54:35 -0500 (CDT) From: "Sean C. Farley" <scf@FreeBSD.org> To: freebsd-net@FreeBSD.org Subject: tap(4) SIOCSIFMTU patch Message-ID: <alpine.BSF.2.00.0903122048230.1704@thor.farley.org>
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Here is a patch[1] that will allow the MTU to be set higher than 1500 on a tap(4) interface. I ran into the need to do this when I had em0 set to 9000 and tried to bridge em0 with tap0 (MTU 1500) for QEMU. A bridge interface will not allow interfaces with different MTU's to be added to it. Since I have touched little inside the kernel, I thought it best if others take a look at it first. Sean 1. http://people.freebsd.org/~scf/if_tap-SIOCSIFMTU.patch -- scf@FreeBSD.org
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