Date: Sun, 3 Apr 2005 16:56:40 +0400 From: Yar Tikhiy <yar@comp.chem.msu.su> To: Max Laier <max@love2party.net> Cc: freebsd-stable@freebsd.org Subject: Re: ALTQ, pf and VLANs Message-ID: <20050403125640.GF66519@comp.chem.msu.su> In-Reply-To: <200503311746.07844.max@love2party.net> References: <8eea040805010512321bf5b953@mail.gmail.com> <200503292325.38904.max@love2party.net> <424B62C3.5090107@cuk.nu> <200503311746.07844.max@love2party.net>
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On Thu, Mar 31, 2005 at 04:45:52PM +0100, Max Laier wrote: > On Thursday 31 March 2005 04:38, Marko ??uk wrote: > > Max, that solution works fine. I have tried it and it works fine for me. > > > > Thanks. > > > > Anyway, do you know some issues with dropping traffic on em0 vlan > > enabled interfaces and tcpdump-ing ? The average traffic, that we > > tcpdump is cca 10-20mbit/s and when tcpdump-ing, we get allmost 90% > > packet loss on interfaces. Any clue ? > > Ugh, I know of such an issue, but was thinking that it should be fixed by now. > Can you make sure that you have your kernel/em(4) built with if_em.c 1.44.2.6 > or later? The effect should simply be that it disables VLAN hardware support > which doesn't seem to work with promiscuous mode. You could also try to > disable it manually (ifconfig) to see if that improves on the packet loss. Max, I'm not sure it's using VLAN acceleration in em(4) that causes _partial_ packet loss. The case you referred to manifested itself in full traffic halt on attached vlan(4) interfaces and not in its partial loss. -- Yar
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