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Date: Fri, 01 Oct 2004 15:55:00 +0200
From: "Alexander S. Usov" <A.S.Usov@KVI.nl>
In-reply-to: <20041001132843.GG997@green.homeunix.org>
To: Brian Fundakowski Feldman <green@freebsd.org>
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 <20041001132843.GG997@green.homeunix.org>
cc: current@freebsd.org
Subject: Re: ALTQ/pf troubles
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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.