From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jarek Poplawski <jarkap@poczta.onet.pl>
Date: Fri, 28 Jul 2006 13:57:32 +0000
Subject: [LARTC] Re: Problem with iptables with -j TOS and MARK
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On 28-07-2006 14:43, makevuy wrote:
> Hy,
> 
> I would want to mark the packets that are entering in a machine, with a 
> mark for using diffserv with DSMARK.
> 
> My machine has 2 interfaces, a ethernet and a wireless. The ethernet 
> interface is eth1 and the other is wifi0.
> 
> Firs, I would want to test that I would be able to mark the tos of the 
> paquets that I would be receiving, for this I write in the console of my 
> linux:
> 
> 
> iptables -A PREROUTING -i eth1 -t mangle -p udp -j TOS --set-tos 0x20
> 
> But the TOS doesn't change (I see this with ethereal)
> 
> Waht could be the problem?

If I can remember, TOS is inserted for real some time later, so 
try to investigate on forward or postrouting.

Jarek P.

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