Date: Mon, 07 Mar 2005 00:48:08 +0100 From: Henrik Gammelgaard <gammelgaard@bigfoot.com> To: spork@fasttrackmonkey.com Cc: freebsd-net@freebsd.org Subject: Re: FreeBSD 4.x and OS-X tcp performance Message-ID: <422B96B8.4040501@bigfoot.com> In-Reply-To: <Pine.OSX.4.61.0503061628260.5816@oof.local> References: <Pine.OSX.4.61.0503041726460.5816@oof.local> <Pine.OSX.4.61.0503041841060.5816@oof.local> <20050305024850.GA96307@wjv.com> <Pine.OSX.4.61.0503061628260.5816@oof.local>
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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
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