Date: Tue, 30 May 2006 16:42:12 -0400 From: Mike Meyer <mwm-keyword-freebsdhackers2.e313df@mired.org> To: luke@foolishgames.com Cc: hackers@freebsd.org Subject: Re: Asymmetric ethernet throughput? Message-ID: <17532.44580.352702.492478@bhuda.mired.org> In-Reply-To: <1225.141.218.159.32.1149020799.squirrel@www.foolishgames.com> References: <17532.42196.508218.964130@bhuda.mired.org> <1225.141.218.159.32.1149020799.squirrel@www.foolishgames.com>
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In <1225.141.218.159.32.1149020799.squirrel@www.foolishgames.com>, Lucas Holt <luke@foolishgames.com> typed: > Does disabling net.inet.tcp.inflight.enable make any difference? I've > noticed strange transfer speed differences between a samba server on > freebsd 6.1 and OS 10.4.6 clients and Windows. > > With these set in /etc/sysctl.conf, I can get reasonable speeds on both > the macs and windows box. > net.inet.tcp.delayed_ack=0 > net.inet.tcp.inflight.enable=0 Well, it makes the throughput closer to symmetric when I'm pushing traffic both ways - but at around 7MB/sec. If I only run traffic in one direction, I get the previous behavior. I tried it from the 6.1 system to the 5.5 system. It's not quite so out of whack - 2:1 instead of 3:1 - but those two sysctls don't make any difference. Thanks, <mike -- Mike Meyer <mwm@mired.org> http://www.mired.org/consulting.html Independent Network/Unix/Perforce consultant, email for more information.
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