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 From:  Erik Anderson <erikerik at gmail dot com>
 To:  m0n0wall <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Re: suggestions for traffic shaping improvements
 Date:  Tue, 25 Oct 2005 09:46:53 -0500
On 10/23/05, Erik Anderson <erikerik at gmail dot com> wrote:
> Today I put a few rules in place to prioritize the packets going
> to/from my VoIP box.  They work well at ensuring clear calls, but I've
> noticed that since adding the rules, the rest of my network traffic
> has seemed to get quite a bit slower.  I'm running the cdrom image of
> m0n0-1.2 on a 400 MHz PC with 512 mb RAM.  Here's my current ruleset:
> http://andersonfam.org/gallery2/d/13628-1/traf_shape.jpg
> I tried to take a simpler-is-better approach with one set of rules to
> match the up/down VoIP traffic (dumped into a high-priority queue) and
> one set to match everything else (dumped into a low priority queue).
> My understanding was that the shaping would only really affect things
> when there was VoIP traffic and that if there was no call going on,
> traffic would flow as freely (minus a bit of CPU overhead) as before
> the rules were put in place.  I guessing that this assumption was
> wrong.  I've watched the CPU graph while browsing websites, and it
> never gets above 2% or so, so the processing overhead isn't causing
> the delay.
> Would anyone have a recommendation or two for rules I could add here
> to retain the high-priority VoIP traffic, while improving the overall
> response time of other network traffic?


Any ideas here or am I on my own?