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Old 06-10-2004, 11:29 AM   #1
Registered: Feb 2001
Location: Texas
Distribution: Slackware, Mandrake, LFS
Posts: 306

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Traffic Shaping

Using iproute2 and netfilter, can anyone explain to me a way to mark packets and throttle them based on port? Ideally I'd like HTTP(80) to have highest priority, VoIP(assume 1400) to have a 2nd priority, MySQL(3389) 3rd priority, FTP(21) fourth, and every thing else lower, such that if someone is playing a game, and then a VoIP app is launched, the game is throttled back to allow the VoIP to suck up as much bandwidth as it needs.

Stats of my system:

-bash-2.05b# uname -a
Linux router 2.4.21-xfs #13 SMP Tue Aug 26 01:46:14 CEST 2003 i586 GNU/Linux
-bash-2.05b# iptables -v
iptables v1.2.9: no command specified
-bash-2.05b# ip -V
ip utility, iproute2-ss010824
-bash-2.05b# tc -V
tc utility, iproute2-ss010824

This is a debian unstable box and I believe it does NOT have HTB so the previous posts I've read don't apply.
Old 06-10-2004, 05:21 PM   #2
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Registered: Jul 2003
Location: Silicon Valley, USA
Distribution: OpenBSD 4.6, OS X 10.6.2, CentOS 4 & 5
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SFAIK there's a CBQ implementation for Linux, so I would start there.
Old 06-10-2004, 06:52 PM   #3
Registered: Nov 2003
Location: austria
Distribution: debian
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the debian pkg shaper fit's good here but it's not that configureable. uses CBQ and is easy to set up. shaped a 2Mbit 1 year ago - works fine. also have a look at the bandwidth-limiting-howto.

sl mritch.
Old 10-23-2008, 12:43 PM   #4
Registered: Feb 2005
Posts: 34

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I had posted a method to get perfect load balancing on another forum a while back. You might find it useful

To use some specific iptables features, you may have to re-compile it. This link will help


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