Date: Fri, 2 Sep 2016 08:39:03 -0600 From: Alan Somers <asomers@freebsd.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: Kajetan Staszkiewicz <vegeta@tuxpowered.net>, FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: 60G+ network connection Message-ID: <CAOtMX2jiLdJggEpwgHRYrxVaNprLfQhYm=65njZZXEXY_X3F9Q@mail.gmail.com> In-Reply-To: <20160902140711.GC34394@zxy.spb.ru> References: <20160901211825.GG88122@zxy.spb.ru> <224082ab-95f5-0935-6429-7e7a612f1312@selasky.org> <20160902100203.GK88122@zxy.spb.ru> <6699041.g38mlsGLrS@energia> <20160902140711.GC34394@zxy.spb.ru>
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On Fri, Sep 2, 2016 at 8:07 AM, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: > On Fri, Sep 02, 2016 at 04:02:20PM +0200, Kajetan Staszkiewicz wrote: > >> On day pi=C4=85tek, 2 wrze=C5=9Bnia 2016 13:02:03 Slawa Olhovchenkov wro= te: >> >> > > > PS: 100G transmiters and connectiveti too expensive, 2x40G prefer. >> > > >> > > You can put 2x 40GBit/s modules in the CX-4. I'm not sure if you can >> > > combine 2x 40GBit/s into a single 80GBit/s. >> > >> > I can do it by if_lagg. >> >> Plase note that by using link aggregation you can not achieve full speed= over >> a single TCP stream. Onle when multiple streams are in operation you wil= l >> really get the aggregated speed. > > NP, I am have more then 40K TCP stream. > > PS: link aggregation with round-roubin policy can achieve full speed. At those speeds I would recommend link aggregation with LACP. It has less lock contention than round-robin and should give you fine distribution with 40K streams. -Alan
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