# This file d blah blah # # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet dhcp # The secondary network interface address 192.168.1.2 netmask 255.255.255.0 iface eth2 inet static # The tertiary network interface address 192.168.2.1 netmask 255.255.255.0 iface eth3 inet static