From owner-freebsd-net@FreeBSD.ORG Sun Mar 6 23:48:21 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 8D9D016A4CF for ; Sun, 6 Mar 2005 23:48:21 +0000 (GMT) Received: from mx01.stofanet.dk (mx01.stofanet.dk [212.10.10.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id 29B1443D49 for ; Sun, 6 Mar 2005 23:48:20 +0000 (GMT) (envelope-from gammelgaard@bigfoot.com) Received: from 3e6b121a.rev.stofanet.dk ([62.107.18.26] helo=snogebaeksvej.dyndns.dk) by mx01.stofanet.dk (envelope-from ) with esmtp id 1D85Tr-0007QZ-0n; Mon, 07 Mar 2005 00:48:16 +0100 Received: from localhost (localhost.my.domain [127.0.0.1]) by snogebaeksvej.dyndns.dk (Postfix) with ESMTP id 9F26157C; Mon, 7 Mar 2005 00:48:14 +0100 (CET) Received: from snogebaeksvej.dyndns.dk ([127.0.0.1]) by localhost (snog.my.domain [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 28941-08; Mon, 7 Mar 2005 00:48:07 +0100 (CET) Received: from [10.0.0.44] (unknown [10.0.0.44]) by snogebaeksvej.dyndns.dk (Postfix) with ESMTP; Mon, 7 Mar 2005 00:48:07 +0100 (CET) Message-ID: <422B96B8.4040501@bigfoot.com> Date: Mon, 07 Mar 2005 00:48:08 +0100 From: Henrik Gammelgaard User-Agent: Mozilla Thunderbird 1.0 (Macintosh/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: spork@fasttrackmonkey.com References: <20050305024850.GA96307@wjv.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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: Sun, 06 Mar 2005 23:48:21 -0000 Charles Sprickman wrote: > > I'd really like to move past the duplex issues. I'm very very > familiar with that and already chased my tail on that one here and in > my many years of working at an ISP. I did a back-to-back test with > speed/duplex locked and I get the same result. All the switch ports > are running clean - no errors, which is something you'd normally see > if autoneg failed. > > Plus if you look at the matrix above, you can see that every other > combination in my "normal" config works. If there were a duplex > problem, I would be seeing it either from OS-X <-> OBSD or FBSD <-> > OBSD. It also probably wouldn't allow me to get really fast UDP NFS > between the boxes. > > For fun I'm going to post a full tcpdump of an ftp session from one > box to the other, maybe someone can spot something there? It's > attached and bzip'd. It's a tcpdump of both hosts transferring a 1MB > tarfile. > > Thanks! > > Charles > I also had a problem recently with my PB running OS X 10.3.8 and an OpenBSD 3.6 box - no duplex settings helped and TCP performance was very very poor, just getting a working ssh connection from mac -> openbsd took maybe 10mins, oddly UDP traffic worked as it was supposed to. I didnt find the problem except that it worked OK once I replaced the NIC in the OpenBSD box with another one, think the original one was a very cheap lowend one and I replaced it with an old 3Com NIC and everything worked. With kinds regards, Henrik