NTOP ?

I just reinstalled my suse 10.1 box .. so .. I made the routings ..
the bandwidth shaping .. the stats page .. everything .. the last
thing I need now is NTOP ! .. damn thingy just doesn't want to work !

Destination Gateway Genmask Flags Metric Ref
Use Iface
my_eth1_main_ip 0.0.0.0 255.255.255.252 U 0
0 0 eth1
10.3.0.0 0.0.0.0 255.255.255.0 U 0 0
0 eth0
10.1.0.0 0.0.0.0 255.255.255.0 U 0 0
0 eth0
10.2.0.0 10.1.0.2 255.255.252.0 UG 0 0
0 eth0
10.0.0.0 10.1.0.2 255.255.252.0 UG 0 0
0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0
0 eth0
89.0.0.0 0.0.0.0 255.0.0.0 U 0 0
0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0
0 lo
0.0.0.0 Inet_gateway 0.0.0.0 UG 0 0
0 eth1

then I have natting done for each host ..

I want ntop to monitor/show/track traffic only for my 10.2.0.0/22
network .. I just don't get it ! .. I did it before .. and it tooked
me only like .. 2 minutes .. and I can't figure it out now ! .. any
help is greatly appreciated