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From: Andy Furniss <andy.furniss@dsl.pipex.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] complex; ifb, masq et omnia
Date: Wed, 08 Mar 2006 12:30:20 +0000	[thread overview]
Message-ID: <440ECE5C.8020600@dsl.pipex.com> (raw)
In-Reply-To: <200603061853.54320.kyf@arterm.pl>

Krzysztof Matusik wrote:
> Hi all.
> 
> I'm using Jamal's ifb virtual interface from new kernel. Redirecting incoming 
> traffic from external interface like that:
> # tc [blahbla] match u32 0 0 flowid 1:0 action mirred egress redirect dev ifb0
> to ifb to shape it.
> 
> The problem is that I'm using MASQUERADE by netfilter also. That redirected 
> traffic coming from internet gets to ifb _before_ DNAT is done. So I cannot 
> filter or mark it in other way by ip dst address to differ between forwarded 
> and incoming traffic to my node.
> 
> Goal is to find a solution how to let tc filter find the difference between 
> forwarded and incoming traffic in that redirected traffic coming to ifb 
> device so shaping/queueing could be done elegantly :-)
> (well, infact this traffic goes off ifb device and then gets routed and masqed 
> etc- by egress queue)
> 
> Anybody got any nice ideas?

You still need to use IMQ for this situation at this time.

There has been talk of making an ematch that can get netfilter state.

Andy.
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      reply	other threads:[~2006-03-08 12:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-06 17:53 [LARTC] complex; ifb, masq et omnia Krzysztof Matusik
2006-03-08 12:30 ` Andy Furniss [this message]

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