Date: Sun, 21 Oct 2012 11:19:28 +0600 From: Nikolay Nevzorov <nevzorovn@gmail.com> To: Eugene Grosbein <egrosbein@rdtc.ru> Cc: freebsd-net@freebsd.org, yongari@freebsd.org Subject: Re: kern/171520: [alc] alc network driver + tso + vlan does not work. Message-ID: <CAHtHi9m=pd38d7mh5o56EQ3eA%2BODZ15ZRe0UQ%2BZ3yEnEyHayqA@mail.gmail.com> In-Reply-To: <50830F8B.4030204@rdtc.ru> References: <201210180141.q9I1f53s052539@freefall.freebsd.org> <CAHtHi9kphRZnX53mKeWzG3HcJoq8-E1Cb1JJTQsrybqLwPGk1g@mail.gmail.com> <50830F8B.4030204@rdtc.ru>
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There is libalias in my kernel config, and i use it on ng0, not on alc0. And libalias used not in ipfw - netgraph with it builded by mpd. Anyway this bug? 2012/10/21 Eugene Grosbein <egrosbein@rdtc.ru> > 20.10.2012 20:06, Nikolay Nevzorov wrote: > > >> Synopsis: [alc] alc network driver + tso + vlan does not work. > > It seems you use libalias-based NAT, don't you? > > man ipfw says in the BUGS section: > > Due to the architecture of libalias(3), ipfw nat is not compatible > with > the TCP segmentation offloading (TSO). Thus, to reliably nat your > net- > work traffic, please disable TSO on your NICs using ifconfig(8). > > Eugene Grosbein >
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