Pls help on Shorewall installation

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Hi all,
This might be more suitable for the shorewall list, but no one has replied yet 
for several days. I'm trying bandwidth management feature of 
shorewall-3.4.1-3 on Centos 4.4 
with no updates.

I've got this error:
May  4 22:30:14 gateway shorewall:    ERROR: Command "tc qdisc add dev eth0 
root handle 1: htb default 13" Failed

I've checked the kernel conf (make menuconfig), that TC support for htb, sfq, 
e32, etc are modularized supported.

I've checked that all these kernel modules are loaded:
sch_prio                4545  0 
sch_sfq                 5313  0 
sch_ingress             4165  0 
sch_cbq                16449  0 
sch_htb                21953  0 
cls_fw                  4417  0 
cls_u32                 7493  0 

And that the tc command is compiled with htb and cbq support?
[root@gateway sched]# which tc
/sbin/tc
You have new mail in /var/spool/mail/root
[root@gateway sched]# strings /sbin/tc | grep htb
htb2
Usage: ... qdisc add ... htb [default N] [r2q N]
... class add ... htb rate R1 [burst B1] [mpu B] [overhead O]
htb: failed to calculate ceil rate table.
htb: failed to calculate rate table.
htb_util
htb2_util

I follow the configuration from the howto:
tcdevices:
#INTERFACE      IN-BANDWITH     OUT-BANDWIDTH
eth0            300kbps         64kbps

tcclasses:
#INTERFACE      MARK    RATE    CEIL    PRIORITY        OPTIONS
eth0            1       full    full    1               
tcp-ack,tos-minimize-delay
eth0            2       5kbps   15kbps  2
eth0            3       2kbps   4kbps   3               default

tcrules:
1:F     0.0.0.0/0       0.0.0.0/0       icmp    echo-request
1:F     0.0.0.0/0       0.0.0.0/0       icmp    echo-reply
1:F     10.0.0.1/24     0.0.0.0/0       all
2:F     10.0.0.4/24     0.0.0.0/0       all

shorewall.conf:
TC_ENABLE = Internal

However, when I restart shorewall, I got this error:

May  4 22:30:14 gateway shorewall: Setting up TC Rules...
May  4 22:30:14 gateway shorewall: Setting up Traffic Control...
May  4 22:30:14 gateway shorewall: Unknown qdisc "htb", hence option "default" 
is unparsable
May  4 22:30:14 gateway shorewall:    ERROR: Command "tc qdisc add dev eth0 
root handle 1: htb default 13" Failed
May  4 22:30:14 gateway shorewall:    WARNING: DISABLE_IPV6=Yes in 
shorewall.conf but this system does not appear to have ip6tables
May  4 22:30:14 gateway shorewall: /sbin/shorewall: line 484: 11922 Terminated              
$SHOREWALL_SHELL ${VARDIR}/.restart $debugging restart
May  4 22:30:15 gateway shorewall: Processing /etc/shorewall/stop ...
May  4 22:30:15 gateway shorewall: IP Forwarding Enabled
May  4 22:30:15 gateway shorewall: Processing /etc/shorewall/stopped ...
May  4 22:30:15 gateway shorewall: shorewall startup failed

Has anyone experienced this? 
Any clues are appreciated. Thank you very much.
-- 
Fajar Priyanto | Reg'd Linux User #327841 | Linux tutorial 
http://linux2.arinet.org
6:41pm up 9:32, 2.6.18.2-34-default GNU/Linux 
Let's use OpenOffice. http://www.openoffice.org

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