Hi, >I may be wrong, but isn't arp per-interface? >root@host ~# arp -i eth0 -s 10.0.0.1 11:22:33:44:55:66 >root@host ~# arp -i eth1 -s 10.0.0.1 11:22:33:44:55:66 Then you're right :). It's doable on one network stack. I'm going to run some tests. Best regards, Marek -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html