IPIP Tunnel Packets not shaped/policed

Linux Advanced Routing and Traffic Control

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Hi,

I've a gateway host (cali), connected to the Internet via ADSL and a PPTP tunnel (ppp0). I also have a IPIP tunnel to another host over the Internet (mytun), nothing fancy.

This is working perfectly.

But I want to give more priority to the IPIP packets coming OUT of the PPP (PPTP connection) interface. And I can't get this to work.

Class 2:21 is the one with high priority.

FILTERS:

filter parent 2: protocol ip pref 1 fw
filter parent 2: protocol ip pref 1 fw handle 0x1 classid 2:21


CLASS Stats:

class htb 2:21 parent 2:1 prio 1 rate 96Kbit ceil 128Kbit burst 1721b cburst 1762b
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
 lended: 0 borrowed: 0 giants: 0
 tokens: 218962 ctokens: 168131


As you can see no packets have gone out of this class.

IPTABLES RULES (mangle table):

Chain OUTPUT (policy ACCEPT 794K packets, 111M bytes)
 pkts bytes target     prot opt in     out     source               destination
 4984  377K mark.4     4    --  *      *       0.0.0.0/0            0.0.0.0/0

Chain mark.4 (1 references)
pkts bytes target prot opt in out source destination
4984 377K MARK all -- * * 0.0.0.0/0 0.0.0.0/0 MARK set 0x1


But you can see that iptables is marking the packets correctly (the counters were reset at the same time).

So, I'm guessing that the IPIP packets generated by the kernel, are not going into the packet scheduling routines.

If someone can point me to the place where this should be occurring, it will be great.

Thanks.
Javier
--
-=-=-=-=-=-=-=-=-
Javier Szyszlican
javier@^^^^^.com

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