Date: Fri, 18 Oct 2013 11:25:19 +0300 From: Andriy Kopystyansky <anri@polynet.lviv.ua> To: freebsd-net@freebsd.org Cc: mybsd <mybsd@hotmail.com> Subject: Re: Intel 82580 lagg(4) problem Message-ID: <20131018112519.Horde.OAQo4gNXUK8BEHk3Ha0pIw2@mail.polynet.lviv.ua> In-Reply-To: <BLU0-SMTP4326F14A3FD47A82C423723AE180@phx.gbl> References: <20130930121027.Horde.taTEbLTlKvRSSUADQ3_q1_A@webmail.polynet.lviv.ua> <CAJ-Vmo=00SzCNtcKAxnQpWXdDi4CGo5=_u_Wpejt8SA0Dh=M%2Bw@mail.gmail.com> <BLU0-SMTP4326F14A3FD47A82C423723AE180@phx.gbl>
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=D0=A6=D0=B8=D1=82=D1=83=D1=8E=20mybsd=20<mybsd@hotmail.com>: >=20Set=20net.link.lagg.0.use_flowid=3D0=20not=20solve=20the=20problem. > >=20My=20system=20is=20freebsd=208.4,=20use=20the=20e1000=20driver=20from= =20freebsd=208.3=20=20 >=20solves=20this=20problem=20. >=20Should=20confirm=20that=20the=20problem=20is=20driver > >=20I=20have=20already=20submitted=20the=20BUG. >=20http://www.freebsd.org/cgi/query-pr.cgi?pr=3D182917 > I=20can=20confirm,=20e1000=20driver=20from=20freebsd=208.3=20works=20as=20e= xpected,=20i've=20=20 got=20almost=201.8=20Gb/s=20over=20lagg(4)=20interface,=20whereas=20using= =20default=20=20 driver=20from=209.1=20couldnt=20get=20more=20than=201.2Gb/s. Trying=20iperf=20test=20to=20two=20different=20dst: 1)=20[SUM]=20=200.0-54.5=20sec=20=205.50=20GBytes=20=20=20867=20Mbits/sec 2)=20[SUM]=20=200.0-90.1=20sec=20=209.25=20GBytes=20=20=20882=20Mbits/sec ifstat=20on=20lagg,igb=20using=208.3=20driver: anri@host:[11:01]~#ifstat=20-i=20lagg1,igb0,igb2 =20=20=20=20=20=20=20lagg1=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20i= gb0=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20igb2 =20=20KB/s=20in=20=20KB/s=20out=20=20 KB/s in KB/s out KB/s in KB/s out 21748.67 221021.3 10419.36 122968.5 11442.13 150645.1 22010.81 222652.2 10954.49 125154.8 11161.90 150698.2 Test above was performed with net.link.lagg.1.use_flowid=3D1 Setting=20this=20to=20=3D0=20leads=20to=20slightly=20less=20throughput,=20a= nd=20noticable=20=20 cpu=20overhead.=20(I=20havent=20any=20non-ip=20traffic). --
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