shape single int LTSP

#!/bin/sh

# The Ultimate Setup For Your Internet Connection At Home

# Set the following values to somewhat less than your actual download

# and uplink speed. In kilobits

 

# adsl uplink capacity in kbit

UPLINK=45

 

# which device are we throttling

DEV=eth1

 

# clean existing down- and uplink qdiscs, hide errors

tc qdisc del dev $DEV root    &>/dev/null

tc qdisc del dev $DEV ingress &>/dev/null

 

# clean existing iptables fwmark

iptables -t mangle -F

iptables -t mangle -X

 

# install root HTB

tc qdisc add dev $DEV root handle 1: htb

 

tc class add dev $DEV parent 1: classid 1:1 htb rate ${UPLINK}kbit

tc class add dev $DEV parent 1:1 classid 1:10 htb rate ${UPLINK}kbit burst 6k prio 1

tc class add dev $DEV parent 1:1 classid 1:20 htb rate $[9*$UPLINK/10]kbit burst 6k prio 2

 

tc qdisc add dev $DEV parent 1:10 handle 10: sfq perturb 10

tc qdisc add dev $DEV parent 1:20 handle 20: sfq perturb 10

 

tc filter add dev $DEV parent 1:0 prio 0 protocol ip handle 10 fw flowid 1:10

tc filter add dev $DEV parent 1:0 prio 0 protocol ip handle 20 fw flowid 1:20

 

iptables -t mangle -N MYSHAPER-OUT

iptables -t mangle -A POSTROUTING -o $DEV -j MYSHAPER-OUT

 

iptables -t mangle -A MYSHAPER-OUT -s 192.168.0.0/24 -j RETURN

 

# tcp ack gets high-prio

#iptables -t mangle -A MYSHAPER-OUT -p tcp -m length --length :68 -j MARK --set-mark 10

iptables -t mangle -A MYSHAPER-OUT -p tcp --tcp-flags ALL ACK -m state --state ESTABLISHED -m length --length 0:100 -j MARK --set-mark 10

# so does icmp and udp

iptables -t mangle -A MYSHAPER-OUT -p icmp -j MARK --set-mark 10

iptables -t mangle -A MYSHAPER-OUT -p udp -j MARK --set-mark 10

# defaults, get lower priority

iptables -t mangle -A MYSHAPER-OUT -m mark --mark 0 -j MARK --set-mark 20

 

#iptables -t mangle -A MYSHAPER-OUT -p tcp -m length --length :64 -j CLASSIFY --set-class 1:10

#iptables -t mangle -A MYSHAPER-OUT -p tcp --tcp-flags ALL ACK -m state --state ESTABLISHED -m length --length :100 -j CLASSIFY --set-class 1:10

#iptables -t mangle -A MYSHAPER-OUT -p icmp -j CLASSIFY --set-class 1:10

#iptables -t mangle -A MYSHAPER-OUT -p udp -j CLASSIFY --set-class 1:10

#iptables -t mangle -A MYSHAPER-OUT -m mark --mark 0 -j CLASSIFY --set-class 1:20

 

 

# http://www.knowplace.org/pages/howtos/traffic_shaping_with_linux/examples.php

# http://trekweb.com/~jasonb/articles/traffic_shaping/scenarios.html

# http://www.shorewall.net/traffic_shaping.htm

# http://www.docum.org/docum.org/faq/cache/49.html