Thank you gurus for helping me with this issue. I solved this using "manual arp proxy" (publishing arp's for "the other side" IP's in the opposite NIC). I'll try tomorrow activating the arp proxy feature built in, with sysctl I'll let you know the final result. Thanx again... :-) -- Martin H. Hoz-Salvador EX-A-FIME http://gama.fime.uanl.mx/~mhoz "Daddy, Why doesn't this Magnet pick up this Floppy Disk?" - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org