You need to use iproute2 for redundancy routing. iptables isn't really for that kind of job I think.. Here's a link that can help you that I found to be pretty good... http://www.samag.com/documents/s=1824/sam0201h/0201h.htm Thanks, ____________________________________________ George Vieira Systems Manager georgev@xxxxxxxxxxxxxxxxxxxxxx Citadel Computer Systems Pty Ltd http://www.citadelcomputer.com.au Phone : +61 2 9955 2644 HelpDesk: +61 2 9955 2698 -----Original Message----- From: Ivan Rodriguez [mailto:ivanoch79@xxxxxxxxxxxx] Sent: Saturday, June 14, 2003 3:17 AM To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: redundancy with linux and two NIC Hi i have the next situation ADSL eth1---------> 192.168.64.x --->LinuxBox eth0---------> DS0 my Linux box is a GW i need the following: if etho is down then all traffic is routed by eth1 and if eth1 is down then all traffic is routed by eth0 it is posible ? please help me and excusme mi english is not god