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From: vincent perrier <vincent-perrier@club-internet.fr>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] priorizing vlans in a bridge
Date: Thu, 10 Feb 2005 22:07:32 +0000	[thread overview]
Message-ID: <1108073252.22248.5.camel@localhost.localdomain> (raw)
In-Reply-To: <1108073109.420bda954eda9@email.ubp.edu.ar>

Le jeudi 10 février 2005 à 19:05 -0300, mschonfeld@ubp.edu.ar a écrit :
> Hi, this is my Linux Box
> 
>               ----------------------------
>    LAN 1 -----|--eth1 <---br1--->eth0.1  |
>               |                     \    |
>               |                    eth0--|----- 802.1q tagged 1 Mbps link
>               |                     /    |
>    LAN 2 -----|--eth2 <---br2--->eth0.2  |
>               ----------------------------
> 
> I have to bridge the 2 lans in the left side of the diagram with my linux box
> running as a bridge. I have to tag the traffic of each lan so I created the 2
> vlans interfaces on eth0 (tag 1 and tag 2).
> All works fine. But now I have to priorize LAN1 traffic so it leaves the bridge
> before LAN2. Also I need to shape the traffic to the 1 Mbps link.
> 
> I read about the "prio" qdisc but it honours the TOS field of the IP packets,
> and I don't want to unless it was really necessary.
> I read about the "prio" option of the htb qdisc and made some scripts, but they
> don't work as I expected.
> 
> HTB script:
> 
> tc qdisc add dev eth0 root handle 1: htb
> tc class add dev eth0 parent 1: classid 1:1 htb rate 1000kbit
> 
> tc class add dev eth0 parent 1:1 classid 1:11 htb rate 500kbit ceil 1000kbit prio 1
> tc filter add dev eth0 parent 1: prio 1 protocol ip handle 1 fw classid 1:11
> iptables -t mangle -A PREROUTING -i eth1 -j MARK --set-mark 1
> 
> tc class add dev eth0 parent 1:1 classid 1:12 htb rate 500kbit ceil 800kbit prio 2
> tc filter add dev eth0 parent 1: prio 1 protocol ip handle 2 fw classid 1:12
> iptables -t mangle -A PREROUTING -i eth2 -j MARK --set-mark 2
> 
> What do you suggest me?

May be you could try to add :
tc filter add dev eth0 parent 1:0 protocol all u32 match u32 0 0 at 0
flowid 1:1 or some similar filter to get the whole flow from 1:0 to 1:1

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  reply	other threads:[~2005-02-10 22:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-10 21:42 [LARTC] priorizing vlans in a bridge mschonfeld
2005-02-10 22:07 ` vincent perrier [this message]
2005-02-11 13:26 ` lartc
2005-02-11 21:52 ` mschonfeld
2005-02-11 22:08 ` Andy Furniss
2005-02-14 11:54 ` mschonfeld

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