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List:       ipcop-devel
Subject:    Re: [IPCop-devel] Traffic Shaping code question
From:       "Mark Wormgoor" <mark () wormgoor ! com>
Date:       2004-07-30 10:52:58
Message-ID: 4349.167.202.196.71.1091184778.squirrel () 167 ! 202 ! 196 ! 71
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Hi,

> I'd like to get this resolved before 1.4 goes final.  I'm still having
> problems with traffic shaping not working.  My FTP upload traffic is
> crushing my VOIP traffic.  I think this is because the guaranteed rates
> for the 3 queues are too oversubscribed (each class is guaranteed either
> 100%, 90% or 80% of the total uplink bandwidth).  Since I don't
> understand C, can someone confirm that the commands listed above mean
> that the value of uplink (or (9*uplink)/10 or (8*uplink)/10) is what
> gets used as the %dkbit variable in each of the 3 lines?  If that is the
> case, then they need to change.  My recommendation would be to make
> classid 1:10= (50*uplink)/100; classid1:20= (35*uplink)/100; and classid
> 1:30= (15*uplink)100.

This would limit all traffic in normal (which is all traffic) to 35% of
your bandwidth.

FYI, we have implemented the "Ultimate Traffic Conditioner", found here:
http://lartc.org/howto/lartc.cookbook.ultimate-tc.html

Have you checked that your uplink and download link numbers are NOT the
numbers of your actual DSL line?  They should be the numbers you get for
actual downloads or a bit lower.  For example, on my 1024/340 line, I only
get about 108kB/s downloads, which is 864kbps.  This is normal and is
caused by overhead on the line.  I would then set the download speed in my
GUI to 850.  If it still doesn't work, a lower number might be necessary.

Kind regards,

Mark
-- 
***************************************************************
* |\    /|      |  /|  /       Mark Wormgoor                  *
* | \  / |      | / | /        mailto:mark@wormgoor.com       *
* |  \/  |ark   |/  |/ormgoor  http://www.wormgoor.com/mark/  *
***************************************************************


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