Date: Fri, 04 Jul 2008 20:30:35 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: Hwa Hing <hwahing@smartteam.net> Cc: freebsd-performance@freebsd.org, David Kwan <david.kwan@isilon.com> Subject: Re: TCP stack in FreeBSD poor performance in 100MB to Gigabit environment. Message-ID: <486E6C4B.6060902@FreeBSD.org> In-Reply-To: <486AE678.8050206@smartteam.net> References: <E83E80FC158BCA4F921B1349E38866B802A6DD77@seaxch07.desktop.isilon.com> <486AE678.8050206@smartteam.net>
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Hwa Hing wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > I also had such problem with FreeBSD-7 Stable-SMP with 4 port Intel > 1GBit NIC em Driver and with Packet Filter, ALTQ enabled. But it doesn't sound like you are testing the same thing at all. > I tested with iperf from network a to network b. I found freebsd droping > packets and the transfer speed in routed mode is only 2 mbit/s compare > to linux router which able to forward the traffic at almost full speed. Check that the software isn't making invalid Linux-specific assumptions about e.g. socket buffer sizes. Kris
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