From owner-freebsd-net@freebsd.org Fri Sep 2 14:39:05 2016 Return-Path: <owner-freebsd-net@freebsd.org> Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4C99ABCC84E for <freebsd-net@mailman.ysv.freebsd.org>; Fri, 2 Sep 2016 14:39:05 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-oi0-x22c.google.com (mail-oi0-x22c.google.com [IPv6:2607:f8b0:4003:c06::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 10320B1B for <freebsd-net@freebsd.org>; Fri, 2 Sep 2016 14:39:05 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-oi0-x22c.google.com with SMTP id p186so128620845oia.2 for <freebsd-net@freebsd.org>; Fri, 02 Sep 2016 07:39:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-transfer-encoding; bh=gxy4lz4mHK6wwNIVosf3GVHsjXCn6RDFuONhUnqLk4M=; b=0nC5I/h6xd6YRcHd+g4IUNDteeL/rO61Mpj7XHDE3d3GqaILOukDTO2m56Qw9NvAtI iihJJuPp5D9KqGiot7UvthyViuXPWoi/MiF+oYikkLDH2qb7PDRThbUIVcTEP09CQUYN zM7Wp7AI+O3GokqnF3kykBg5HS1b0uvd75tLhIXDBijtAZPHu79reFTEEOxOxh6cpZtx Sk9SSyNLwcCL3eeOMyI2s1MY0eCBSpzYmkcvACQwOmaUSDMufj4AmgqXd+O8G8kCuQX2 UuqFV5y2qH17qilBKjCpR7DcFQ9A/TQ5YXo9w0t+gomiQD9tx1PzRQ89rMpOxyzXQEiO 4n3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc:content-transfer-encoding; bh=gxy4lz4mHK6wwNIVosf3GVHsjXCn6RDFuONhUnqLk4M=; b=FE29cgGrPJqn7N+RQRAUCq0+8CyUPRPwZqIUoY+r9AEaEf7CnKqF6WkIo/dgLalW3b cmEw6YYmmFKkVQiFjJ4fd/608WSIh+sFfxbFrAAvvUwvsEUOBS/s6VxvoxUHITM8MM34 yZzAkmsI6IIMdI6ErLAYg5deG0OqrCeTM9TIT60HZBPsJCRZfJgMEbWx0QV84hufvvND H0O8hZyDpM0Xr29WNeFc9Csln8ENb/HF/UnhdnZKfMd3f5EYECLWYp4H37hux1L+ztSZ gLAuaeW2MNPTmbhsk9BCWSIV9KNURk7jilQyOrJBaH+ihnqaya7eeyqxfqj1KcncqypH Wn0g== X-Gm-Message-State: AE9vXwOQ9dZChKXBZNFImuhIV4YnHDt87Wn/VS2rFRbrWxd7rWGyKAkiukv4I+jVsIr5ynzMBiFd4sCDHhYSHw== X-Received: by 10.202.230.8 with SMTP id d8mr20404691oih.182.1472827144270; Fri, 02 Sep 2016 07:39:04 -0700 (PDT) MIME-Version: 1.0 Sender: asomers@gmail.com Received: by 10.202.75.216 with HTTP; Fri, 2 Sep 2016 07:39:03 -0700 (PDT) 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> From: Alan Somers <asomers@freebsd.org> Date: Fri, 2 Sep 2016 08:39:03 -0600 X-Google-Sender-Auth: wphxoTVVq358OW3uf40OLkRdcWg Message-ID: <CAOtMX2jiLdJggEpwgHRYrxVaNprLfQhYm=65njZZXEXY_X3F9Q@mail.gmail.com> Subject: Re: 60G+ network connection To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: Kajetan Staszkiewicz <vegeta@tuxpowered.net>, FreeBSD Net <freebsd-net@freebsd.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/> List-Post: <mailto:freebsd-net@freebsd.org> List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=subscribe> X-List-Received-Date: Fri, 02 Sep 2016 14:39:05 -0000 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