From: Patrick McHardy <kaber@trash.net>
To: Frithjof Hammer <mail@frithjof-hammer.de>
Cc: hadi@cyberus.ca, lartc@mailman.ds9a.nl,
Linux Netdev List <netdev@vger.kernel.org>
Subject: Re: [LARTC] ifb and ppp
Date: Thu, 20 Sep 2007 15:26:06 +0000 [thread overview]
Message-ID: <46F2910E.9040900@trash.net> (raw)
In-Reply-To: <200709201600.15202.mail@frithjof-hammer.de>
Frithjof Hammer wrote:
>>Sorry, I didnt follow the thread - what is the goal to be achieved with
>>the setup?
>
>
> A simple ingress shaping on ppp0 (PPPOE DSL line). I want to replace my old
> imq ingress shaper in favor of ifb. My former script used iptables marks to
> classify the packets. My iptables marks are getting set, as like before with
> imq. But tc seems not to recognize them: It only uses the default class.
>
> So i run tcpdump -i ifb0 and discovered that the packets seems to be still
> encapsulated on ifb0. I suppose this is why my iptables stuff is not working.
Thats actually a completely different problem. Unlike with imq, packets
are delivered to ifb *before* they pass through iptables. So at that
time they're not marked. I don't see a good solution for this that
allows to keep the iptables rules, I'd suggest to switch to ematches.
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prev parent reply other threads:[~2007-09-20 15:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-19 12:17 [LARTC] ifb and ppp Frithjof Hammer
2007-09-19 13:04 ` Patrick McHardy
2007-09-19 17:51 ` Frithjof Hammer
2007-09-19 21:42 ` Frithjof Hammer
2007-09-20 11:55 ` Patrick McHardy
[not found] ` <1190294388.4734.6.camel@localhost>
2007-09-20 14:00 ` Frithjof Hammer
2007-09-20 15:26 ` Patrick McHardy [this message]
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