[root@callisto blitter]# ping 192.168.0.18 PING 192.168.0.18 (192.168.0.18) from 192.168.3.1 : 56(84) bytes of data. 64 bytes from 192.168.0.18: icmp_seq=0 ttl=255 time=140.9 ms Any further clues ? Does anyone of you guys has a similar setup ?? For ipchains I put up unlimited traffic on the cipcb0 interface (it is a tunnel between two trusted networks). Do I need to do some forwarding in ipchains to have 192.168.2.1 see where 192.168.0.148 is located ? Greetings !