Date: Fri, 17 Jan 2014 13:22:13 -0800 From: Kevin Oberman <rkoberman@gmail.com> To: Mike Tancsa <mike@sentex.net> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: forwarding performance with releng7 vs 8 vs 9 vs 10 on an Alix box Message-ID: <CAN6yY1uX2LjiX0FVuVKofXp2%2BNLwq82x=oUPSJB_Oe=q3%2BD1KQ@mail.gmail.com> In-Reply-To: <52D99C1D.3070904@sentex.net> References: <52D98A83.90805@sentex.net> <CAN6yY1uUW9HbiU=UmS_4Cq1i77AadxBwBzSGQ1LprypSsi6u5w@mail.gmail.com> <52D99C1D.3070904@sentex.net>
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On Fri, Jan 17, 2014 at 1:09 PM, Mike Tancsa <mike@sentex.net> wrote: > On 1/17/2014 4:03 PM, Kevin Oberman wrote: > > > > FreeBSD 8 introduced default support for TSO. You might try turning it > > off (-tso) if it is enabled on the interfaces involved. > > Thanks, these are vr interfaces which do not support TSO. Also, its > pure forwarding that seems to be the issue and I dont think TSO enters > into that ? > > vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=8280b<RXCSUM,TXCSUM,VLAN_MTU,WOL_UCAST,WOL_MAGIC,LINKSTATE> > ether 00:0d:b9:1c:60:48 > inet 192.168.xx.xx netmask 0xffffff00 broadcast 192.168.xx.xx > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > media: Ethernet autoselect (100baseTX <full-duplex>) > status: active > > > -- > ------------------- > Mike Tancsa, tel +1 519 651 3400 > Sentex Communications, mike@sentex.net > Providing Internet services since 1994 www.sentex.net > Cambridge, Ontario Canada http://www.tancsa.com/ > Shouldn't. Better not! That would really break things if a forwarder were to re-segment the data. So "never mind". -- R. Kevin Oberman, Network Engineer, Retired E-mail: rkoberman@gmail.com
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