Date: Mon, 21 May 2001 15:24:01 -0400 From: Normand Leclerc <leclercn@videotron.ca> To: "Thomas T. Veldhouse" <veldy@veldy.net> Cc: freebsd-stable@freebsd.org Subject: Re: natd blues Message-ID: <3B096B51.1000309@videotron.ca> References: <3B0914BC.201@videotron.ca> <004601c0e1ff$b0ffd440$3028680a@tgt.com>
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Hi Thomas, All the tests were conducted from the nat machine... Normand Leclerc leclercn@videotron.ca Thomas T. Veldhouse wrote: > Did you set the receive window high on the client machine? If so, you might > try doing it on the NAT machine as will. > > Create /etc/sysctl.conf with the following in it: > > # begin /etc/sysctl.conf > net.inet.tcp.recvspace=64240 > net.inet.tcp.recvspace=32120 > # end /etc/sysctl.conf > > This is probably a rather large receive window and you might try lowering it > to 32120 if you have latency or packet loss problems on your cable network. > After you have created this file, run: > > # sh /etc/rc.sysctl > > These changes will persist after a reboot. See how it goes for you. > > Tom Veldhouse > veldy@veldy.net > > > > ----- Original Message ----- > From: "Normand Leclerc" <leclercn@videotron.ca> > To: <freebsd-stable@freebsd.org> > Sent: Monday, May 21, 2001 8:14 AM > Subject: natd blues > > >> It looks like my natd is slowing down my cable internet transfers. >> When running, I can't get the speed I get when natd isn't around (tested >> downloading 20 megs with natd diverting packets from gateway and then >> tested with an extra ipfw pass all rule before divert). With divert, >> ETA is around 30 mins, without: 8 mins! And I tested it more than once. >> >> I didn't have this kind of slowdown on 3.4 ... Is there a kernel >> option that can slow down ipfw diverts like that? >> >> Normand Leclerc >> leclercn@videotron.ca >> >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org >> with "unsubscribe freebsd-stable" in the body of the message >> > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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