From owner-freebsd-net@FreeBSD.ORG Tue Dec 16 19:50:46 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 07A3416A4CE for ; Tue, 16 Dec 2003 19:50:46 -0800 (PST) Received: from pursued-with.net (adsl-66-125-9-242.dsl.sndg02.pacbell.net [66.125.9.242]) by mx1.FreeBSD.org (Postfix) with ESMTP id 59FD843D4B for ; Tue, 16 Dec 2003 19:50:44 -0800 (PST) (envelope-from kevin_stevens@pursued-with.net) Received: from [192.168.168.101] (fffinch [192.168.168.101]) by pursued-with.net (Postfix) with ESMTP id 58E7C67D4C for ; Tue, 16 Dec 2003 19:50:51 -0800 (PST) Mime-Version: 1.0 (Apple Message framework v606) In-Reply-To: References: <2B766ABB-3027-11D8-A624-000A95775140@battleface.com> Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <38E6743A-3044-11D8-B24B-000A959CEE6A@pursued-with.net> Content-Transfer-Encoding: 7bit From: Kevin Stevens Date: Tue, 16 Dec 2003 19:50:57 -0800 To: freebsd-net@freebsd.org X-Mailer: Apple Mail (2.606) Subject: Re: suffering from poor network performance... 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: Wed, 17 Dec 2003 03:50:46 -0000 On Dec 16, 2003, at 17:32, Charles Swiger wrote: > On Dec 16, 2003, at 7:22 PM, Alex (ander Sendzimir) wrote: > [ ... ] > > First, Barney was correct: using "ping -f" will run into the ICMP > response limitation. Try using "ping -i 0.01 _hostname_", instead, > and you may find out that you don't have a problem with packet loss at > all at this lower speed. I wish I had a FreeBSD box to check this on, but from an OS X G5 to an Athlon WinXP box (both at 100% CPU from distribfolding client: > babelfish:~ root# ping -f -c 10000 denizen > PING denizen.pursued-with.net (192.168.168.1): 56 data bytes > . > --- denizen.pursued-with.net ping statistics --- > 10000 packets transmitted, 10000 packets received, 0% packet loss > round-trip min/avg/max = 0.079/0.112/1.01 ms > babelfish:~ root# That's through a cheap Gb switch. Just a data point. KeS