From owner-freebsd-net@FreeBSD.ORG Wed Oct 5 12:58:45 2005 Return-Path: X-Original-To: net@freebsd.org Delivered-To: freebsd-net@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8172816A41F for ; Wed, 5 Oct 2005 12:58:45 +0000 (GMT) (envelope-from pertti.kosunen@pp.nic.fi) Received: from fep16.inet.fi (fep16.inet.fi [194.251.242.241]) by mx1.FreeBSD.org (Postfix) with ESMTP id 99BE243D48 for ; Wed, 5 Oct 2005 12:58:44 +0000 (GMT) (envelope-from pertti.kosunen@pp.nic.fi) Received: from [192.168.0.20] ([84.249.3.49]) by fep16.inet.fi with ESMTP id <20051005125843.YCNV26717.fep16.inet.fi@[192.168.0.20]>; Wed, 5 Oct 2005 15:58:43 +0300 Message-ID: <4343CE03.7090008@pp.nic.fi> Date: Wed, 05 Oct 2005 15:58:43 +0300 From: Pertti Kosunen User-Agent: Mozilla Thunderbird 1.0.2 / FreeBSD 6.0-BETA5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: ferdinand.goldmann@jku.at References: <4341089F.7010504@jku.at> <20051003104548.GB70355@cell.sick.ru> <4341242F.9060602@jku.at> <20051003123210.GF70355@cell.sick.ru> <43426EF3.3020404@jku.at> <9CD8C672-1EF2-42FE-A61E-83DC684C893D@dragondata.com> <43429157.90606@jku.at> <4342987D.7000200@benswebs.com> <20051004161217.GB43195@obiwan.tataz.chchile.org> <1128470191.75484.TMDA@seddon.ca> <979B163D-7078-4558-9095-DC329707A5B4@dragondata.com> <4343C559.5000000@jku.at> In-Reply-To: <4343C559.5000000@jku.at> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: net@freebsd.org Subject: Re: dummynet, em driver, device polling issues :-(( X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Oct 2005 12:58:45 -0000 Ferdinand Goldmann wrote: > 944mbps is a very good value, anyway. What we see in our setup are > throuput rates around 300mbps or below. When testing with tcpspray, > throughput hardly exceeded 13MB/s. Increasing MTU should help to get better results, as long all devices in network support jumbo frames (at least on large files). 9k or even 16k might be supported.