Re: [LARTC] priorizing vlans in a bridge
Mensaje citado por Andy Furniss [EMAIL PROTECTED]: [EMAIL PROTECTED] wrote: 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. Prio in htb setup like this only really affects the borrowing of excess - rate is guaranteed. Also you need to back off a bit from your link speed to allow for overheads. Ok, with htb the priority is for borrowing of the free bandwidth. So what Qdisc could help me to make a customized priority qdisc ?, so I could define for example 4 or 8 bands not based on the TOS field like the prio qdisc. Thanks for your answers 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 I would use something like rate 850kbit ceil 900kbit here 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 and rate 50kbit ceil 900kbit here. Andy. 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? Thanks in advance. ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
Re: [LARTC] priorizing vlans in a bridge
Hi, You should use eth0.1 and eth0.2 in your tc statements ... ciao charles On Thu, 2005-02-10 at 23:05, [EMAIL PROTECTED] wrote: 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? Thanks in advance. ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
Re: [LARTC] priorizing vlans in a bridge
[EMAIL PROTECTED] wrote: 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. Prio in htb setup like this only really affects the borrowing of excess - rate is guaranteed. Also you need to back off a bit from your link speed to allow for overheads. 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 I would use something like rate 850kbit ceil 900kbit here 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 and rate 50kbit ceil 900kbit here. Andy. 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? Thanks in advance. ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
Re: [LARTC] priorizing vlans in a bridge
Le jeudi 10 fvrier 2005 19:05 -0300, [EMAIL PROTECTED] a crit : 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 ___ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
