Re: u32 and iptables do not work together

Linux Advanced Routing and Traffic Control

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On Sat, Apr 08, 2006 at 03:18:01PM +0200, Piotr Chytla wrote:
> On Sat, Apr 08, 2006 at 08:21:40AM -0300, Nataniel Klug wrote:
> > I think it worked fine... This is my new script (below the text). I just 
> > dont know how can I know if this traffic is relly going to the class I 
> > send it... hehehehe... I am marking Skype packages using L7-Filter like 
> > this:
> >
> If you want to see packets in class you can use sch_log, quite good
> module, you must attach it to class and you will see every packet 
> in this class in tcpdump.

Or, without additional software, and a bit less of information, 
you could just have a look at the tc statistics. In case of mixed 
classes you can temporarily create an extra class for the packets 
you want to test filters on.

If packets go into this class and it's the same number as are marked 
by iptables, the classification works.

Regards
Andreas Klauer
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