iptables+tc 限制每个ip的带宽

#!/bin/bash

# OUTdoor interface

GREEN_DEV=eth1

# INdoor interface

RED_DEV=eth0

# Upload rate 250kb/s

UPRATE=2000

# Download rate 80kb/s

DOWNRATE=640

start(){

#clean existing down and uplink qdiscs,put the errors to /var/log/htb_log

tc qdisc del dev $RED_DEV root 2>/dev/null >/dev/null

tc qdisc del dev $GREEN_DEV root 2>/dev/null >/dev/null

tc qdisc del dev $RED_DEV ingress 2>/dev/null >/dev/null

tc qdisc del dev $GREEN_DEV ingress 2>/dev/null >/dev/null

tc qdisc add dev $GREEN_DEV root handle 2: htb

tc qdisc add dev $RED_DEV root handle 2: htb

tc class add dev $GREEN_DEV parent 2: classid 2:1 htb rate 256kbit

tc class add dev $RED_DEV parent 2: classid 2:1 htb rate 256kbit

i=5; 

while [ $i -le 25 ] 

do 

tc class add dev $GREEN_DEV parent 2:1 classid 2:2$i htb rate ${DOWNRATE}kbit ceil ${DOWNRATE}kbit burst 15k

tc class add dev $RED_DEV parent 2:1 classid 2:2$i htb rate ${UPRATE}kbit ceil ${UPRATE}kbit burst 15k

tc qdisc add dev $GREEN_DEV parent 2:2$i handle 2$i: sfq

tc qdisc add dev $RED_DEV parent 2:2$i handle 2$i: sfq

tc filter add dev $GREEN_DEV parent 2:0 protocol ip prio 1 u32 match ip dst 192.168.1.$i flowid 2:2$i

tc filter add dev $RED_DEV parent 2:0 protocol ip prio 1 u32 match ip dst 192.168.1.$i flowid 2:2$i

i=`expr $i + 1`

done

}

stop(){ 

status() {

echo "Show qdisc $RED_DEV (Display Upload queue):"

tc -s qdisc show dev $RED_DEV

echo "Show class $RED_DEV (Display Upload class):"

tc class show dev $RED_DEV

echo "*********************************UP/DOWN*********************************"

echo "Show qdisc $GREEN_DEV (Display Download queue):"

tc -s qdisc show dev $GREEN_DEV

echo "Show class $GREEN_DEV (Display Download class):"

tc class show dev $GREEN_DEV

usage(){

echo "(usage): `basename $0` [start | stop | restart | status]"

echo ""

echo "Argument: functions:"

echo "start start traffic-control"

echo "stop stop traffic-control"

echo "restart restart traffic-control"

echo "status show detail of traffic"

# Argument

kernel=`uname -r|cut -b 1-3`

case "$kernel" in

2.4|2.6)

case "$1" in

start)

( start && echo "TC started!" ) || echo "Error."

exit 0

;;

stop)

( stop && echo "TC stopped!" ) || echo "Error."

restart)

( start && echo "TC restarted!" ) || echo "Error."

status)

status

*)

usage

exit 1

esac

echo " (!) Error: Unsupported Kernel!"

 本文转自 liang3391 51CTO博客，原文链接:http://blog.51cto.com/liang3391/456573