linux网关上TC给内网做限速脚本 #!/bin/bash ##给192.168.13网段的IP做限速 ##外网网卡 IN=eth1 ##内网网卡 DEV=eth0 start() { ## 清除 eth1 eth0 所有队列规则 tc qdisc del dev $DEV root 2>/dev/null tc qdisc del dev $IN root 2>/dev/null ##定义总的上下带宽 tc qdisc add dev $DEV root handle 2: htb tc class add dev $DEV parent 2: classid 2:1 htb rate 3000kbit tc qdisc add dev $IN root handle 1: htb tc class add dev $IN parent 1: classid 1:1 htb rate 3000kbit for (( i=2; i<=253; i=i+1 )) do #####下载控制在每人实际最大100k/S左右 tc class add dev $DEV parent 2:1 classid 2:2$i htb rate 100kbit ceil 500kbit burst 15k tc qdisc add dev $DEV parent 2:2$i handle 2$i: sfq tc filter add dev $DEV parent 2:0 protocol ip prio 4 u32 match ip dst 192.168.13.$i flowid 2:2$i #####上传控制在每人实际最大34K/S左右 tc class add dev $IN parent 1:1 classid 1:1$i htb rate 100kbit ceil 300kbit burst 15k tc qdisc add dev $IN parent 1:1$i handle 1$i: sfq tc filter add dev $IN parent 1:0 protocol ip prio $i handle $i fw classid 1:1$i iptables -t mangle -A PREROUTING -s 192.168.13.$i -j MARK --set-mark 0x$i done } stop(){ echo -n "(删除所有队列......)" ( tc qdisc del dev $DEV root && for (( i=2; i<=253; i=i+1 )) do /sbin/iptables -t mangle -D PREROUTING -s 192.168.13.$i -j MARK --set-mark 0x$i done && echo "ok.删除成功!" ) || echo "error." } #显示状态 status() { echo "1.show qdisc $DEV (显示下行队列):----------------------------------------------" tc -s qdisc show dev $DEV echo "2.show class $DEV (显示下行分类):----------------------------------------------" tc class show dev $DEV echo "3. tc -s class show dev $IN (显示上行队列和分类流量详细信息):------------------" tc -s class show dev $IN echo "说明:设置总队列下行和上行带宽 3M." } #显示帮助 usage() { echo "使用方法(usage): `basename $0` [start | stop | restart | status ]" echo "参数作用:" echo "start 开始流量控制" echo "stop 停止流量控制" echo "restart 重启流量控制" echo "status 显示队列流量" } case "$1" in start) ( start && echo "开始流量控制! TC started!" ) || echo "error." exit 0 ;; stop) ( stop && echo "停止流量控制! TC stopped!" ) || echo "error." exit 0 ;; restart) stop start echo "流量控制规则重新装载!" ;; status) status ;; *) usage exit 1 ;; esac