How can I setup iptables/shorewall on 2 NICs running DRBD and Heartbeat. I have followed Perfect Setup for NFS High Availabilty Server and added a second NIC (eth1) just for Heartbeat Broadcast and DRBD synchronization. PC A: eth0 = 192.168.0.2 eth1 = 192.168.1.22 PC B: eth0 = 192.168.0.3 eth1 = 192.168.1.33 eth0:0 = 192.168.0.4 (virtual interface for heartbeat) eth1 on PC A and PC B are connected thru Gigabit switch just for DRBD Sync and Heartbeat Broadcast.. eth0 on PC A and PC B are connected to my LAN switch. Resources are accessed on eth0:0 (e.g NFS and SSH
