Linux网管流量控制(iptables QOS)

linux网关之流量控制（iptables Qos）

来源: ChinaUnix博客 　日期： 2006.07.27 13:22　(共有条评论) 我要评论

linux网关之流量控制（Qos）iptables+TC进行流量控制 下面是咱们一个子公司的一个linux网关的Qos设置，利用iptables和TC，感受效果很好的。实例1： 流量控制：防火墙上eth0链接内网，eth1链接外网线路，带宽为2.5M，目标：一、内网用户下载占用的带宽最多为1000kbit/s 而192.168.37.167主192.168.37.168下载带宽可达到1.5Mbit/s二、内网中的192.168.37.124和192.168.37.140的上传占用的带宽最多为1.5M，而其它用户最多为150Kbit/s（这样的流量控制后，内网中即便有人使用bt之类的软件也不怕。由于他的上传最多只能占用150Kbit/s，下载最多1000kbit/s ^-^）#!/bin/shTC="/sbin/tc"LAN_IFACE="eth0"INET_IFACE="eth1"ERP1="192.168.37.167/32"ERP2="192.168.37.168/32"INTERNAL_LAN="192.168.37.0/24"start(){#################### Qos rule on eth0  #########################$TC qdisc add dev eth1 root tbf rate 512kbit lantency 50ms burst 1540if [ "$LAN_IFACE" != "" ];then        $TC qdisc add dev $LAN_IFACE root handle 1:0 cbq bandwidth 100Mbit avpkt 1000 cell 8        $TCclass add dev $LAN_IFACE parent 1:0 classid 1:1 cbq bandwidth 100Mbitrate 2.5Mbit weight 3Mbit prio 8 allot 1514 cell 8 maxburst 20 avpkt1000 bounded        $TCclass add dev $LAN_IFACE parent 1:1 classid 1:2 cbq bandwidth 100Mbitrate 1500kbit weight 2Mbit prio 6 allot 1514 cell 8 maxburst 20 avpkt1000        $TCclass add dev $LAN_IFACE parent 1:1 classid 1:3 cbq bandwidth 100Mbitrate 1000kbit weight 1Mbit prio 7 allot 1514 cell 8 maxburst 20 avpkt1000 bounded        $TC qdisc add dev $LAN_IFACE parent 1:2 handle 20: sfq        $TC qdisc add dev $LAN_IFACE parent 1:3 handle 30: sfq        $TC filter add dev $LAN_IFACE parent 1:0 protocol ip prio 2 u32 match ip dst $ERP1 flowid 1:2        $TC filter add dev $LAN_IFACE parent 1:0 protocol ip prio 2 u32 match ip dst $ERP2 flowid 1:2        $TC filter add dev $LAN_IFACE parent 1:0 protocol ip prio 4 u32 match ip dst $INTERNAL_LAN flowid 1:3        echo ""        echo ""        echo "qos rule on eth0 start ...........ok!"        echo ""        echo ""fi#################### Qos rule on eth1  ########################if [ "$INET_IFACE" != "" ];then        iptables -F -t mangle        iptables -X -t mangle        iptables -Z -t mangle        iptables -A PREROUTING -t mangle -s $ERP1 -j MARK --set-mark 1        iptables -A PREROUTING -t mangle -s $ERP2 -j MARK --set-mark 1        iptables -A PREROUTING -t mangle -s 192.168.37.124/32 -j MARK --set-mark 1        iptables -A PREROUTING -t mangle -s 192.168.37.140/32 -j MARK --set-mark 1        iptables -I PREROUTING -t mangle -s $INTERNAL_LAN -j MARK --set-mark 2        $TC qdisc add dev $INET_IFACE root handle 2:0 cbq bandwidth 100Mbit avpkt 1000 cell 8        $TCclass add dev $INET_IFACE parent 2:0 classid 2:1 cbq bandwidth 100Mbitrate 2Mbit weight 1Mbit prio 8 allot 1514 cell 8 maxburst 20 avpkt 1000bounded        $TCclass add dev $INET_IFACE parent 2:1 classid 2:2 cbq bandwidth 100Mbitrate 1500kbit weight 150kbit prio 6 allot 1514 cell 8 maxburst 20 avpkt1000        $TCclass add dev $INET_IFACE parent 2:1 classid 2:3 cbq bandwidth 100Mbitrate 150kbit weight 20kbit prio 7 allot 1514 cell 8 maxburst 20 avpkt1000 bounded        $TC qdisc add dev $INET_IFACE parent 2:2 handle 20: sfq        $TC qdisc add dev $INET_IFACE parent 2:3 handle 30: sfq        $TC filter add dev $INET_IFACE parent 2:0 protocol ip prio 1 handle 1 fw classid 2:2        $TC filter add dev $INET_IFACE parent 2:0 protocol ip prio 2 handle 2 fw classid 2:3        echo ""        echo ""        echo "qos rule on eth1 start ...........ok!"        echo ""        echo ""fi}stop(){if [ "$LAN_IFACE" != "" ];then        $TC qdisc del dev $LAN_IFACE rootfiif [ "$INET_IFACE" != "" ];then        $TC qdisc del dev $INET_IFACE rootfiiptables -F -t mangleiptables -X -t mangleiptables -Z -t mangle}status(){echo "show qdisc ............ "echo ""echo ""echo ""$TC -d -s qdiscecho ""echo ""echo "show filter ............ "echo ""echo ""if [ "$LAN_IFACE" != "" ];then        $TC -d -s filter ls dev $LAN_IFACEfiecho ""echo ""if [ "$INET_IFACE" != "" ];then        $TC -d -s filter ls dev $INET_IFACEfiecho ""echo ""echo "show class ............ "echo ""echo ""if [ "$LAN_IFACE" != "" ];then        $TC -d -s class ls dev $LAN_IFACEfiecho ""echo ""if [ "$INET_IFACE" != "" ];then        $TC -d -s class ls dev $INET_IFACEfiecho ""echo ""}case "$1" in  start)    start    ;;  stop)    stop    ;;  restart)    stop    start    ;;  status)    status    ;;  *)    echo $"Usage:$0 {start|stop|restart|status}"    exit 1esac