From owner-freebsd-net@FreeBSD.ORG Sat Dec 13 02:46:23 2003 Return-Path: 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 C8BED16A4CE for ; Sat, 13 Dec 2003 02:46:23 -0800 (PST) Received: from vsmtp4.tin.it (vsmtp4.tin.it [212.216.176.224]) by mx1.FreeBSD.org (Postfix) with ESMTP id ECE8E43D33 for ; Sat, 13 Dec 2003 02:46:22 -0800 (PST) (envelope-from dpphln@tin.it) Received: from drumfire (80.183.60.154) by vsmtp4.tin.it (7.0.019) id 3FD9A31C000AC843 for net@freebsd.org; Sat, 13 Dec 2003 11:46:21 +0100 Message-ID: <007401c3c166$e36e2fa0$9a3cb750@softec> From: "DrumFire" To: References: <20031213054654.GA850@grosbein.pp.ru> <3FDAAC5B.5030008@vt.edu> <20031213074423.GA2249@svzserv.kemerovo.su> Date: Sat, 13 Dec 2003 11:50:13 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4927.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4927.1200 Subject: Re: how to saturate 100Mbit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Dec 2003 10:46:23 -0000 >> dd if=holey-file of=/dev/null bs=10m > > I've got about 30% of CPU load for the server (P-133) and less than > 35mbit/s on wire. Also you can try to dump traffic with tcpdump and send it with /usr/ports/net/tcpreplay I'm trying to send 100Mbit/s for 5-6 minutes with Ethernet frame size at 64 bytes, but I need very good hardware to make this.