Date: Thu, 19 Jul 2007 10:51:11 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: =?iso-8859-1?Q?St=E5le?= Kristoffersen <staale@kristoffersen.ws> Cc: current@freebsd.org Subject: Re: Slow networkperformance in current? Message-ID: <18079.31350.366410.316438@grasshopper.cs.duke.edu> In-Reply-To: <20070716233600.GC19282@eschew.pusen.org> References: <20070716190441.GA19282@eschew.pusen.org> <b1fa29170707161247r1a9421cbxf4ec9be1e4c63f7d@mail.gmail.com> <20070716213425.GB19282@eschew.pusen.org> <b1fa29170707161553k356f5ee6vf80dfee7831fc3e0@mail.gmail.com> <20070716233600.GC19282@eschew.pusen.org>
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Ståle Kristoffersen writes: > On 2007-07-16 at 15:53, Kip Macy wrote: > > Please post the config you are using. > > lrwxr-xr-x 1 root wheel 2B Apr 12 15:42 /etc/malloc.conf -> aj > > /etc/sysctl.conf: > vfs.vmiodirenable=1 > net.inet.tcp.delayed_ack=0 > net.inet.ip.forwarding=1 > net.inet.tcp.inflight.enable=0 > > (I have tried commenting out all those lines, no difference. You definately want to comment out at least net.inet.tcp.delayed_ack=0 Try temporarily setting net.inet.tcp.sendbuf_auto=0 and net.inet.tcp.recvbuf_auto=0 and see if that changes anything. I've seen strange issues with IPv6 and the automatic buffer sizing, perhaps you're somehow running into the same thing with IPv4. Drewhelp
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