[LARTC] IMQ + HTB + little script problem

["s.az" <saz@inticomp.com>]

I want to shape the incoming traffic ( download ) "but using only 
fwmark", i know there are other methods, but i want to use this one 
particularly...

So, first i create DOWNLOAD and mark  with 20 all the traffic with 
destination 10.0.0.3 ( eth1 ) incoming from my internet device ( eth0 ).

#$IPTABLES -t mangle -N DOWNLOAD
#$IPTABLES -t mangle -I PREROUTING -i eth0 -j DOWNLOAD
#$IPTABLES -t mangle -A DOWNLOAD -d 10.0.0.3 -p tcp -m tcp -j MARK 
--set-mark 20
#$IPTABLES -t mangle -A DOWNLOAD -j IMQ --todev 0

Then, i create the QOS rules

$TC qdisc add dev imq0 root handle 1: htb default 10
$TC class add dev imq0 parent 1: classid 1:1 htb rate 128kbit burst 6k
$TC class add dev imq0 parent 1:1 classid 1:10 htb rate 80kbit burst 6k 
prio 1
$TC class add dev imq0 parent 1:1 classid 1:20 htb rate 50kbit burst 6k 
prio 1
$TC qdisc add dev imq0 parent 1:10 handle 10: pfifo
$TC filter add dev imq0 parent 1: protocol ip prio 5 handle 10 fw flowid 
1:10
$TC filter add dev imq0 parent 1: protocol ip prio 6 handle 20 fw flowid 
1:20

This thing does not work. I can't mark the  packets with 20,  but if i 
remove -d 10.0.0.3, the script marks and works but for all the eth1 
device not only one ip. Any Idea?

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