From mboxrd@z Thu Jan  1 00:00:00 1970
From: Samit <janasamit@wlink.com.np>
Date: Tue, 28 Aug 2007 12:51:52 +0000
Subject: Re: [LARTC] Traffic shaping PPPoe encapsulated packet [SOLVED]
Message-Id: <46D41A26.3010207@wlink.com.np>
List-Id: <lartc.vger.kernel.org>
References: <46D1ABFA.1060901@wlink.com.np>
In-Reply-To: <46D1ABFA.1060901@wlink.com.np>
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To: lartc@vger.kernel.org

Thanks..it worked.. :)

/sbin/tc filter add dev eth1 protocol 0x8864  parent 2:0 prio 1 u32 \
match u32 0x$IPREMOTE_HEX 0xffffffff at 24 flowid 2:$ID

Now I don't have to shape the dst traffic on each ppp interface.

Regards,
Samit

Andy Furniss wrote:
> Samit wrote:
>> Hi,
>>
>> I want a way to  traffic shape pppoe encapsulated pkts based on its
>> src/dst Ip address. Is there any way I can mark pppoe encapsulated pkts?
> 
> I don't know what you can do with iptables now it's X tables.
> 
> If you have the ppp interface on the shaping/netfilter box then you will
> see ip from/to it anyway.
> 
> If the pppoe is just passing through then you should be able to make a
> u32 filter to match parts of the packet. Use tcpdump -e to see the
> ethertype protocol number for pppoe data frames and make a filter to
> match that number, then I guess the IP part will be at an offset of 8
> more than the normal offsets. You will need to use u32 to match the
> src/dst addresses in hex. I have never done it, but it should be possible.
> 
> tc filter add dev $DEV protocol $PPPOE prio 1 u32 match u32 0xc0a80001
> 0xffffffff at 20 flowid ....
> 
> should match src 192.168.0.1 use "at 24" for dst.
> 
> Andy
> 
> 
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