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 From:  sai <sonicsai at gmail dot com>
 To:  "Bob Young" <bob at lavamail dot net>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] VoIP voice quality surprise
 Date:  Sat, 5 Aug 2006 15:27:02 +0500
if you go to exec.php ad run
ipfw queue show
the result  will show all queues and their usage

You might have setup your shaper rules incorrectly


sai

On 8/3/06, Bob Young <bob at lavamail dot net> wrote:
> Hello all:
>
>
>
> I'm in the process of learning to set up the Traffic Shaper with VoIP.
>
>
>
> Since I want high priority for my VoIP, I figured I should have a separate
> "inbound pipe" and a separate "outbound pipe" for my VoIP data (audio).  I
> hope that rationale is correct.  I figured I didn't want it to be part of a
> queue.  I figured separate pipes for VoIP would give the best priority.I
> hope that was correct.
>
>
>
> I was told by my VoIP company (Vonage) that my VoIP should sound good with
> just 100 Kb bandwidth.  So I set up a "Pipe 3 for VoIP outbound" and "Pipe 4
> for VoIP inbound".   Initially I set both to 100 Kb.  And when I talk on my
> VoIP phone to my wife on my cell phone both voice directions sounded great.
>
>
>
> No other data was flowing in my network.
>
>
>
> And just to test to see if the BW limiting is working, I set Pipe 3
> (outbound) to 25 Kbs, while I kept Pipe 4 (inbound) at 100 Kbs.  The inbound
> sound sounded great, but the outbound sound (to my cell phone) was choppy
> and terrible.  That is reasonable since I limited the outbound BW to 25 Kbs.
> That means Pipe 3 is working.
>
>
>
> However, I then set Pipe 4 (inbound) to 25 Kbs, and I expected to also hear
> choppy, terrible sound.  But it sounded great.  That means Pipe 4 isn't
> working.  I don't know why.
>
>
>
> That means when I set the inbound BW to 25 Kbs, it must not really be at 25
> Kbs, since the inbound audio is still very good.  If my Pipe 4 inbound sound
> was really 25 Kbs, it would sound terrible, just like the sound produced by
> Pipe 3.
>
>
>
> Does anyone have any ideas why this is happening?
>
>
>
> Thank you,
>
>
>
> Bob
>
>
>