[LARTC] IMQ & NAT

* [LARTC] IMQ & NAT
@ 2004-04-04 23:09 Joan Fuster Monzó
  2004-04-05 15:58 ` Andre Correa
  2004-04-05 22:55 ` Joan Fuster Monzó
  0 siblings, 2 replies; 5+ messages in thread
From: Joan Fuster Monzó @ 2004-04-04 23:09 UTC (permalink / raw)
  To: lartc

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Hi all, my IMQ device works OK (thanks to Andy Furniss), but now I've
problems to attach the traffic in the qdisc's. This is my conf:

-----------------------------------------------------------------------
INET
 |
 |eth0  300Kbps
ROUTER (NAT)
 |eth1
 |
LAN
-----------------------------------------------------------------------

MAX=300

tc qdisc add dev imq0 root handle 1: htb default 13

tc class add dev imq0 parent 1: classid 1:1 htb rate ${MAX}kbit ceil
${MAX}kbit

tc class add dev imq0 parent 1:1 classid 1:10 htb rate 60kbit ceil
${MAX}kbit prio 0
tc class add dev imq0 parent 1:1 classid 1:11 htb rate 40kbit ceil
${MAX}kbit prio 1
tc class add dev imq0 parent 1:1 classid 1:12 htb rate 100kbit ceil
${MAX}kbit prio 2
tc class add dev imq0 parent 1:1 classid 1:13 htb rate 100kbit ceil
${MAX}kbit prio 3

tc qdisc add dev imq0 parent 1:10 handle 100: sfq
tc qdisc add dev imq0 parent 1:11 handle 110: sfq
tc qdisc add dev imq0 parent 1:12 handle 120: sfq
tc qdisc add dev imq0 parent 1:13 handle 130: sfq

tc filter add dev imq0 parent 1:0 protocol ip prio 1 handle 1 fw classid
1:10
tc filter add dev imq0 parent 1:0 protocol ip prio 2 handle 2 fw classid
1:11
tc filter add dev imq0 parent 1:0 protocol ip prio 3 handle 3 fw classid
1:12
tc filter add dev imq0 parent 1:0 protocol ip prio 4 handle 4 fw classid
1:13

ip link set imq0 up

iptables -t mangle -A PREROUTING -i eth0 -j IMQ --todev 0

#ICMP                                                                                                         
iptables -t mangle -A PREROUTING -i eth0 -p icmp -j MARK --set-mark 1
iptables -t mangle -A PREROUTING -i eth0 -p icmp -j RETURN

#SSH                                                                                                          
iptables -t mangle -A PREROUTING -i eth0 -p tcp  --dport 22 -j MARK
--set-mark 1
iptables -t mangle -A PREROUTING -i eth0 -p tcp  --dport 22 -j RETURN

...
------------------------------------------------------------------------

I've patched the IMQ with the imq-nat patch, but all traffic goes to
1:13

#tc -s class show dev imq0
-------------------------------------------------------------------------
...

class htb 1:13 parent 1:1 leaf 130: prio 3 rate 100Kbit ceil 300Kbit
burst 1727b cburst 1983b
 Sent 8981846847 bytes 18055130 pkts (dropped 99, overlimits 0)
 lended: 8947767 borrowed: 9107363 giants: 0
 tokens: 136320 ctokens: 52265

class htb 1:12 parent 1:1 leaf 120: prio 2 rate 100Kbit ceil 300Kbit
burst 1727b cburst 1983b
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
 lended: 0 borrowed: 0 giants: 0
 tokens: 138240 ctokens: 52905

---------------------------------------------------------------------------

What happens?? I'm newbie in IMQ... Sorry for the long text ;) Thanks
for the help!!

Joan

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