From owner-freebsd-net@FreeBSD.ORG Mon Oct 10 07:18:54 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 58F9616A41F for ; Mon, 10 Oct 2005 07:18:54 +0000 (GMT) (envelope-from ferdinand.goldmann@jku.at) Received: from mail2.edvz.uni-linz.ac.at (mail2.edvz.uni-linz.ac.at [140.78.3.69]) by mx1.FreeBSD.org (Postfix) with ESMTP id A1DC243D45 for ; Mon, 10 Oct 2005 07:18:53 +0000 (GMT) (envelope-from ferdinand.goldmann@jku.at) Received: from emailsecure.uni-linz.ac.at (emailsecure.uni-linz.ac.at [140.78.3.66]) by mail2.edvz.uni-linz.ac.at (8.13.3/8.13.3) with ESMTP id j9A7Idjc006608 for ; Mon, 10 Oct 2005 09:18:42 +0200 (CEST) (envelope-from ferdinand.goldmann@jku.at) Received: from [140.78.164.13] (jku006048.edvz.uni-linz.ac.at [140.78.6.48]) by emailsecure.uni-linz.ac.at (Postfix) with ESMTP id 229D0228019 for ; Mon, 10 Oct 2005 08:57:25 +0200 (CEST) Message-ID: <434A10D9.1060409@jku.at> Date: Mon, 10 Oct 2005 08:57:29 +0200 From: Ferdinand Goldmann Organization: Johannes Kepler University User-Agent: Thunderbird 1.4 (Macintosh/20050908) MIME-Version: 1.0 To: net@freebsd.org 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> <4343CE03.7090008@pp.nic.fi> In-Reply-To: <4343CE03.7090008@pp.nic.fi> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.44 Cc: Subject: Re: dummynet, em driver, device polling issues :-(( X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ferdinand.goldmann@jku.at List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Oct 2005 07:18:54 -0000 Pertti Kosunen wrote: > 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. > Problem is only that the em driver does not support Jumbo frames on the 82545GM. :-( -- >> Ferdinand Goldmann //// | | >> EMail: Ferdinand.Goldmann@zid.uni-linz.ac.at |--00 | UNIX | >> Tel. : +43/732/2468/9398 Fax. : +43/732/2468/9397 C ^ | | >> EMail: Ferdinand.Goldmann@zid.uni-linz.ac.at \ ~/ ~~~|~~~~~~~~ >> PGP D4CF 8AA4 4B2A 7B88 65CA 5EDC 0A9B FA9A 13EA B993| |-----3