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List:       ipcop-devel
Subject:    Re: [IPCop-devel] [IPCop-user] ACK priority
From:       John Edwards <john () cornerstonelinux ! co ! uk>
Date:       2008-07-30 21:01:29
Message-ID: 20080730210129.GK19398 () cornerstonelinux ! co ! uk
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On Wed, Jul 30, 2008 at 10:47:00PM +0200, Rainer Zocholl wrote:
> Hello
> 
> 
> recently i ran IPcop on a extremly asymmetrical 6000/512 kbit/s ADSL.
> To my disappointment, the downstream was very slow, when
> the upstream was saturated fully: down was as fast(emm slow) as up!
> As there were other device involved too i would like to "proof"
> that IPcop is doing (as usual) all welli, is not causing the problem.
> 
> Where is documented/proofed/can be read, that IPcop is 
> handling "ACK"-pakets always with highest priority to avoid
> such congestions?
> 
> If not, where could this be adjusted?
> 
> Rainer

The wondershaper script (aka shaping.cgi the "Traffic Shaping" page)
would be the most obvious to me. I think the backend is now compiled
into a C binary and so can not be easily changed, but the basic tc
commands are still available for you to run.

Just don't ask me about the syntax for tc & friends, because it is the
worst thing I have seen since sendmail.

If you haven't done it already I would try a basic shaping setup on
the current webpage with the up & down bandwidths set just below the
real bandwidth. Fiddle with them and create a few service priorities
and see if that helps.

Then if you are forced to look at some tc recipes.


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|    John Edwards   Email: john@cornerstonelinux.co.uk    |
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