I must be doing something wrong:

I have the following NICs that need the addresses in parentheses):

Ethernet 100/1000 (10.0.x.x)
WiFi (Whatevr I get!)
USB 3G Modem (Private WAN 172.18.1.6)
USB - Ethernet (192.168.x.x)

Where "x" denote variable addresses.

Any ideas?