From owner-freebsd-performance@FreeBSD.ORG Thu May 31 10:26:27 2007 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1A3F316A400 for ; Thu, 31 May 2007 10:26:27 +0000 (UTC) (envelope-from gallatin@cs.duke.edu) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.freebsd.org (Postfix) with ESMTP id BD0ED13C44B for ; Thu, 31 May 2007 10:26:26 +0000 (UTC) (envelope-from gallatin@cs.duke.edu) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.14.0/8.14.0) with ESMTP id l4VAQQd0009372 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 31 May 2007 06:26:26 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.12.9p2/8.12.9/Submit) id l4VAPvtr037698; Thu, 31 May 2007 06:25:57 -0400 (EDT) (envelope-from gallatin) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18014.41676.681948.864061@grasshopper.cs.duke.edu> Date: Thu, 31 May 2007 06:25:57 -0400 (EDT) To: security In-Reply-To: <465DE367.8070009@jim-liesl.org> References: <4652383E.9000302@jim-liesl.org> <18013.49538.356407.283631@grasshopper.cs.duke.edu> <465DE367.8070009@jim-liesl.org> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Cc: freebsd-performance@freebsd.org Subject: Re: [Fwd: asymetric speeds over gigE link] X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 May 2007 10:26:27 -0000 security writes: > The down side is that the best speed I got was around 362Mbps on a > gigE link (with netpipe). I had hoped for better. 362Mb/s is way too low for 1GbE. You might want to try a UDP test to isolate the bottleneck somewhat. Try netperf -tUDP_STREAM -Hmacpro02-m -- -m 1472 and see what is reported for the transmit vs receive throughput. Drew