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@ViktorStiskala
Created August 30, 2010 15:33
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Wondershaper script without LAN limitation
#!/bin/bash
# Wonder Shaper
# please read the README before filling out these values
#
# Speed/Rate syntax: tcng vs. tc
# source: http://www.faqs.org/docs/Linux-HOWTO/Traffic-Control-tcng-HTB-HOWTO.html
#
# tcng English tc
# ----------------------------------------------
# bps bit(s) per second bit
# Bps byte(s) per second bps (argh!)
# kbps kilobit(s) per second kbit
# kBps kilobyte(s) per second kbps
# Mbps megabit(s) per second mbit or Mbit
# MBps megabyte(s) per second mbps or Mbps
# pps packet per second ??
# Set the following values to somewhat less than your actual
# download and uplink speed. Use units for tc from the table
# above. Also set the device that is to be shaped and the
# LANIPMASK to recognize LAN traffic
# You have to set uplink in kilobits and do not add any units,
# eg. UPLINK=200, because there is some calculation later in
# this script.
# DO NOT set LANSPEED to lower value than UPLINK
LANSPEED=1000Mbps
LANIPMASK=192.168.1/24 # set this to your own if needed
DOWNLINK=
UPLINK=
DEV=eth0
# low priority OUTGOING traffic - you can leave this blank if you want
# low priority source netmasks
NOPRIOHOSTSRC=
# low priority destination netmasks
NOPRIOHOSTDST=
# low priority source ports
NOPRIOPORTSRC=
# low priority destination ports
NOPRIOPORTDST=
# Now remove the following two lines :-)
echo Please read the documentation in 'README' first
exit
if [ "$1" = "status" ]
then
tc -s qdisc ls dev $DEV
tc -s class ls dev $DEV
exit
fi
# clean existing down- and uplink qdiscs, hide errors
tc qdisc del dev $DEV root 2> /dev/null > /dev/null
tc qdisc del dev $DEV ingress 2> /dev/null > /dev/null
if [ "$1" = "stop" ]
then
exit
fi
###### uplink
# install root HTB, point default traffic to 1:30:
tc qdisc add dev $DEV root handle 1: htb default 30
# root have to be at $LANSPEED to allow higher speed for LAN
tc class add dev $DEV parent 1: classid 1:1 htb rate ${LANSPEED} burst 6k
# LAN traffic class 1:10
tc class add dev $DEV parent 1:1 classid 1:10 htb rate ${LANSPEED} \
burst 6k prio 1
# high prio class 1:20:
tc class add dev $DEV parent 1:1 classid 1:20 htb rate ${UPLINK}kbit \
burst 6k prio 2
# bulk & default class 1:30 - gets slightly less traffic,
# and a lower priority:
tc class add dev $DEV parent 1:1 classid 1:30 htb rate $[9*$UPLINK/10]kbit \
burst 6k prio 3
tc class add dev $DEV parent 1:1 classid 1:40 htb rate $[8*$UPLINK/10]kbit \
burst 6k prio 3
# all get Stochastic Fairness:
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 qdisc add dev $DEV parent 1:30 handle 30: sfq perturb 10
tc qdisc add dev $DEV parent 1:40 handle 40: sfq perturb 10
# LAN traffic with highest priority and speed
tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \
match ip dst ${LANIPMASK} flowid 1:10
# TOS Minimum Delay (ssh, NOT scp) in 1:20:
# you can change this to 1:10 if you don't want TOS to be shaped
tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \
match ip tos 0x10 0xff flowid 1:20
# ICMP (ip protocol 1) in the interactive class 1:10 so we
# can do measurements & impress our friends:
tc filter add dev $DEV parent 1:0 protocol ip prio 10 u32 \
match ip protocol 1 0xff flowid 1:20
# To speed up downloads while an upload is going on, put ACK packets in
# the interactive class:
tc filter add dev $DEV parent 1: protocol ip prio 10 u32 \
match ip protocol 6 0xff \
match u8 0x05 0x0f at 0 \
match u16 0x0000 0xffc0 at 2 \
match u8 0x10 0xff at 33 \
flowid 1:20
# some traffic suffers a worse fate (1:40 - lowest priority)
for a in $NOPRIOPORTDST
do
tc filter add dev $DEV parent 1: protocol ip prio 14 u32 \
match ip dport $a 0xffff flowid 1:40
done
for a in $NOPRIOPORTSRC
do
tc filter add dev $DEV parent 1: protocol ip prio 15 u32 \
match ip sport $a 0xffff flowid 1:40
done
for a in $NOPRIOHOSTSRC
do
tc filter add dev $DEV parent 1: protocol ip prio 16 u32 \
match ip src $a flowid 1:40
done
for a in $NOPRIOHOSTDST
do
tc filter add dev $DEV parent 1: protocol ip prio 17 u32 \
match ip dst $a flowid 1:40
done
# rest is 'non-interactive' ie 'bulk' and ends up in 1:30
tc filter add dev $DEV parent 1: protocol ip prio 18 u32 \
match ip dst 0.0.0.0/0 flowid 1:30
########## downlink #############
# slow downloads down to somewhat less than the real speed to prevent
# queuing at our ISP. Tune to see how high you can set it.
# ISPs tend to have *huge* queues to make sure big downloads are fast
#
# attach ingress policer:
tc qdisc add dev $DEV handle ffff: ingress
# filter *everything* to it (0.0.0.0/0), drop everything that's
# coming in too fast:
tc filter add dev $DEV parent ffff: protocol ip prio 50 u32 match ip src \
0.0.0.0/0 police rate ${DOWNLINK} burst 10k drop flowid :1
# add your filter here if you don't want your LAN downlink to be shaped
# check http://lartc.org/howto/index.html for more information
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