From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stef Coene <stef.coene@docum.org>
Date: Mon, 04 Mar 2002 12:56:53 +0000
Subject: Re: [LARTC] CBQ and prio problem
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To: lartc@vger.kernel.org

On Monday 04 March 2002 13:11, MR wrote:
> Hi,
>  I'm trying to configure a Linux machine to act as a "DS router" (ie it
> should manage differents priorities based on the TOS field) and as a
> traffic shaper too (let's say 800Kbit of 10Mbit).
> I've used the following commands but i wasn't able to shape the outgoing
> traffic (the prio works fine).
>
> Thanks in advance for any idea,
>  Max
You create a bounded class of 800kbit.  So all traffic is bounded to 800kbit. 
 But after that, you attach 3 tbf qdisc's with rate = 10mbit.  Why?  What 
happens if you remove the 3 tbf qdisc's ?

>
> #!/bin/sh
>
> TC="/usr/sbin/stc"
> DEVICE="eth0"
> total="10Mbit"
>
> $TC qdisc add dev $DEVICE root handle 1: cbq bandwidth $total avpkt 1000 \
> cell 8
>
> $TC class add dev $DEVICE parent 1:0 classid 1:1 cbq bandwidth $total \
>     rate 800Kbit allot 1514 avpkt 1000 weight 80Kbit prio 8 maxburst 20 \
>     mpu 64 bounded
>
> $TC qdisc add dev $DEVICE parent 1:1 handle 100: prio bands 3 priomap 2 1 0
>
> $TC qdisc add dev $DEVICE parent 100:1 tbf rate 10Mbit burst 10Mbit \
> limit 10Mbit
> $TC qdisc add dev $DEVICE parent 100:2 tbf rate 10Mbit burst 10Mbit \
> limit 10Mbit
> $TC qdisc add dev $DEVICE parent 100:3 tbf rate 10Mbit burst 10Mbit \
> limit 10Mbit
>
>
> #############FILTERS############
>
> $TC filter add dev $DEVICE parent 1:0 prio 1 \
>         protocol ip u32 \
>         match u32 0x00200000 0x00FC0000 at 0 \
>         flowid 100:1
>
> $TC filter add dev $DEVICE parent 1:0 prio 1 \
>         protocol ip u32 \
>         match u32 0x00400000 0x00FC0000 at 0 \
>         flowid 100:2
>
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-- 

stef.coene@docum.org
 More QOS info : http://www.docum.org/
 Title : "Using Linux as bandwidth manager"

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