Date: Fri, 4 Mar 2005 17:34:35 -0500 (EST) From: Charles Sprickman <spork@fasttrackmonkey.com> To: freebsd-net@freebsd.org Subject: FreeBSD 4.x and OS-X tcp performance Message-ID: <Pine.OSX.4.61.0503041726460.5816@oof.local>
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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? Thanks, Charles
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