[LARTC] imq + htb
choros
jorge at inway.cz
Sat Oct 1 02:58:53 CEST 2005
Hi, i am running imq + htb on my router , the situation is like this
eth0 = uplink to my provider
eth1 = 1st customer
eth2 = 2nd customer
eth3 = 3th customer
eth0 has limit 512 and i want to share this between eth1 eth2 and eth3 ,
but not working , this is the script i used,
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#!/bin/sh
PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/sbin:/usr/local/bin
iptables -t mangle -F 2>/dev/null
iptables -t mangle -X 2>/dev/null
iptables -t mangle -N markov
iptables -t mangle -I PREROUTING -j markov
iptables -t mangle -N markov2
iptables -t mangle -I POSTROUTING -j markov2
tc qdisc del dev imq0 root >/dev/null 2>&1
tc qdisc del dev imq1 root >/dev/null 2>&1
#bring up the imq0
ip link set dev imq0 up
#marking of incoming from eth1,eth2,eth3
iptables -t mangle -A markov -i eth1 -j MARK --set-mark 1
iptables -t mangle -A markov -i eth2 -j MARK --set-mark 2
iptables -t mangle -A markov -i eth3 -j MARK --set-mark 3
#forward it to imq0
iptables -t mangle -A PREROUTING -i eth1 -j IMQ --todev 0
iptables -t mangle -A PREROUTING -i eth2 -j IMQ --todev 0
iptables -t mangle -A PREROUTING -i eth3 -j IMQ --todev 0
tc qdisc add dev imq0 root handle 10: htb default 20
tc class add dev imq0 parent 10: classid 10:2 \
htb rate 512Kbit ceil 512Kbit
#####################################################
#class for eth1
tc class add dev imq0 parent 10:2 classid 10:21 htb rate 128Kbit ceil
512Kbit
# mark
tc filter add dev imq0 parent 10:2 protocol ip prio 1 handle 1 fw
classid 10:21
tc qdisc add dev imq0 parent 10:21 sfq perturb 15
#######################################################
# class for eth2
tc class add dev imq0 parent 10:2 classid 10:22 htb rate 128Kbit ceil
512Kbit
#mark
tc filter add dev imq0 parent 10:2 protocol ip prio 1 handle 2 fw
classid 10:22
tc qdisc add dev imq0 parent 10:22 sfq perturb 15
#########################################
# class for eth3
tc class add dev imq0 parent 10:2 classid 10:23 htb rate 128Kbit ceil
512Kbit
#mark
tc filter add dev imq0 parent 10:2 protocol ip prio 1 handle 3 fw
classid 10:23
tc qdisc add dev imq0 parent 10:23 sfq perturb 15
##############################################
##############################################
# outgoing traffic to eth1,eth2,eth3
#bring up imq1
ip link set dev imq1 up
#make marks
iptables -t mangle -A markov2 -o eth1 -j MARK --set-mark 21
iptables -t mangle -A markov2 -o eth2 -j MARK --set-mark 22
iptables -t mangle -A markov2 -o eth3 -j MARK --set-mark 23
#forward it to imq1
iptables -t mangle -A POSTROUTING -o eth1 -j IMQ --todev 1
iptables -t mangle -A POSTROUTING -o eth2 -j IMQ --todev 1
iptables -t mangle -A POSTROUTING -o eth3 -j IMQ --todev 1
tc qdisc add dev imq1 root handle 10: htb default 20
tc class add dev imq1 parent 10: classid 10:2 htb rate 512Kbit ceil 512Kbit
##################################
# class for eth1
tc class add dev imq1 parent 10:2 classid 10:21 htb rate 128Kbit ceil
512Kbit
# mark
tc filter add dev imq1 parent 10:2 protocol ip prio 1 handle 21 fw
classid 10:21
tc qdisc add dev imq1 parent 10:21 sfq perturb 15
####################################
# class for eth2
tc class add dev imq1 parent 10:2 classid 10:22 htb rate 128Kbit ceil
512Kbit
#mark
tc filter add dev imq1 parent 10:2 protocol ip prio 1 handle 22 fw
classid 10:22
tc qdisc add dev imq1 parent 10:22 sfq perturb 15
#####################################
#class for eth3
tc class add dev imq1 parent 10:2 classid 10:23 htb rate 128Kbit ceil
512Kbit
#mark
tc filter add dev imq1 parent 10:2 protocol ip prio 1 handle 23 fw
classid 10:23
tc qdisc add dev imq1 parent 10:23 sfq perturb 15
######################################
######################################
But the traffic is unshaped, i think maybe somethink wrong with the
filters becouse if i do
tc -s class show dev imq0 or imq1 while uploading or downloading traffic
doesnt get to right
class. If i take look in iptables -t mangle -L -n -v the packets are
marked well
OUTPUT OF tc -s class show dev imq0
class htb 10:22 parent 10:2 leaf 8026: prio 0 rate 128000bit ceil
512000bit burst 1615b cburst 1.625Kb
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 0 borrowed: 0 giants: 0
tokens: 103424 ctokens: 26624
class htb 10:23 parent 10:2 leaf 8027: prio 0 rate 128000bit ceil
512000bit burst 1615b cburst 1.625Kb
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 0 borrowed: 0 giants: 0
tokens: 103424 ctokens: 26624
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PARTIAL OUTPUT of iptables -t mangle -L -n -v
Chain markov (1 references)
pkts bytes target prot opt in out source
destination
96 8578 MARK all -- eth1 * 0.0.0.0/0
0.0.0.0/0 MARK set 0x1
25004 36M MARK all -- eth2 * 0.0.0.0/0
0.0.0.0/0 MARK set 0x2
0 0 MARK all -- eth3 * 0.0.0.0/0
0.0.0.0/0 MARK set 0x3
Chain markov2 (1 references)
pkts bytes target prot opt in out source
destination
7 1750 MARK all -- * eth1 0.0.0.0/0
0.0.0.0/0 MARK set 0x15
24874 36M MARK all -- * eth2 0.0.0.0/0
0.0.0.0/0 MARK set 0x16
6 2222 MARK all -- * eth3 0.0.0.0/0
0.0.0.0/0 MARK set 0x17
class htb 10:2 root rate 512000bit ceil 512000bit burst 1.625Kb cburst
1.625Kb
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 0 borrowed: 0 giants: 0
tokens: 26624 ctokens: 26624
class htb 10:21 parent 10:2 leaf 8025: prio 0 rate 128000bit ceil
512000bit burst 1615b cburst 1.625Kb
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 0 borrowed: 0 giants: 0
tokens: 103424 ctokens: 26624
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THANKS A LOT FOR HELP
Jorge Sanchez
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