The solution is create a network with netmask 255.255.255.255 for each NIC (internal, external, DMZ). Then you refers to the apropiate interface with the network name (that really is the ip interface).
The solution is create a network with netmask 255.255.255.255 for each NIC (internal, external, DMZ). Then you refers to the apropiate interface with the network name (that really is the ip interface).