From owner-freebsd-net@FreeBSD.ORG Fri Mar 4 23:43:46 2005 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 604F816A4CE for ; Fri, 4 Mar 2005 23:43:46 +0000 (GMT) Received: from angryfist.fasttrackmonkey.com (angryfist.fasttrackmonkey.com [216.223.196.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 93FA143D4C for ; Fri, 4 Mar 2005 23:43:45 +0000 (GMT) (envelope-from spork@fasttrackmonkey.com) Received: (qmail 89991 invoked by uid 2003); 4 Mar 2005 23:38:16 -0000 Received: from spork@fasttrackmonkey.com by angryfist.fasttrackmonkey.com by uid 1001 with qmail-scanner-1.20 (clamscan: 0.65. Clear:RC:1(216.220.116.154):. Processed in 0.151734 secs); 04 Mar 2005 23:38:16 -0000 Received: from unknown (HELO localhost) (216.220.116.154) by 0 with (DHE-RSA-AES256-SHA encrypted) SMTP; 4 Mar 2005 23:38:15 -0000 Date: Fri, 4 Mar 2005 18:43:43 -0500 (EST) From: Charles Sprickman X-X-Sender: spork@oof.local To: Darcy Buskermolen In-Reply-To: <200503041526.05432.darcy@wavefire.com> Message-ID: References: <200503041526.05432.darcy@wavefire.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed cc: freebsd-net@freebsd.org Subject: Re: FreeBSD 4.x and OS-X tcp 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: Fri, 04 Mar 2005 23:43:46 -0000 On Fri, 4 Mar 2005, Darcy Buskermolen wrote: > On Friday 04 March 2005 14:34, Charles Sprickman wrote: >> Howdy, >> >> Sorry to bring what seems like a simple issue up here. I had been blaming >> slow afp filesharing between my OS-X (10.3.8 and previous) and FreeBSD 4.x >> boxes on netatalk's afp implementation for some time. Not too long ago I >> got frustrated with this and tried smb and then ftp. On a simple 10/100 >> network, and even with just a crossover between two boxes it seems that >> any tcp transfer tops out at around 250KB/s. >> >> On the same network using the same switch I can get near line-rate to an >> OpenBSD box and to another OS-X box. >> >> If I use nfs and force udp as the transport, I *do* get near line-rate >> between OS-X and FBSD. >> >> My 5.3 box is tanked at the moment, so I cannot tell if the problem >> happens there as well. I do have a full ADC account, so I will be testing >> with the latest Tiger preview shortly, and the ADC access does give me a >> decent bug reporting facility if the fault lies within the OS-X tcp stack. >> >> I'm no tcpdump wizard, would anyone care to help me track this down? > > I'd start with ensureing your nic's media options are properly set (I've seen > this exact behavior during duplex mismatches) Yep, I wouldn't have come here without checking all the basics. I should also add that given three machines in my standard config I get the following results which will also help rule out cabling/speed/duplex issues: os-x <-> obsd - good os-x <-> fbsd - bad obsd <-> fbsd - good os-x <-> os-x - good Charles >> Thanks, >> >> Charles >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >