Date: Fri, 01 Oct 2004 15:55:00 +0200 From: "Alexander S. Usov" <A.S.Usov@KVI.nl> To: Brian Fundakowski Feldman <green@freebsd.org> Cc: current@freebsd.org Subject: Re: ALTQ/pf troubles Message-ID: <200410011555.00828.A.S.Usov@kvi.nl> In-Reply-To: <20041001132843.GG997@green.homeunix.org> References: <200409272240.00356.A.S.Usov@kvi.nl> <20041001132843.GG997@green.homeunix.org>
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On Friday 01 October 2004 15:28, Brian Fundakowski Feldman wrote: > On Mon, Sep 27, 2004 at 10:40:00PM +0200, Alexander S. Usov wrote: > > Hello !! > > Just enabling the queueing on the interface with bandwidth == DSL > > bandwidth results in the appox. factor of 2 drop in the speed of the > > outgoing transfers. > > > > >From my experiments I got an impression that to make this slow-down > > > > away I have to specify the bandwith around 700Kb, which is twice bigger > > than real. > > Are you telling ALTQ to process _incoming_ packets? According to the pf manuals it should process only outgoing packets. And I believe it's the case as the incoming rate doesn't depends on queieing state. Just did an experiment adding only this 2 lines: === altq on $ext priq bandwidth 350Kb queue {q} queue q priority 1 priq(default) === and no queue statements in the filtering rules. If I understand the logick of the pf right, it means to create an outbound queue on $ext with bandwith 350Kb and put all outgoing traffic into it (due to the (default) statement). This results in the outgoing transfer speed of appox. 18KB/s, and incoming is unaffected and is approx. 117KB/s. Increasing bandwith in the altq rule to 700Kb, results in the upload speed of approx. 30-34 KB/s. Is it a good idea to check the behavior of the ruleset with OpenBSD? -- Best regards, Alexander.
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