auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.1.0.10 netmask 255.255.0.0 broadcast 10.1.255.255 gateway 10.1.0.1 iface eth0 inet6 static address fec1::10 netmask 16 iface eth1 inet static address 192.168.0.50 netmask 255.255.255.0 broadcast 192.168.0.255 iface eth1 inet6 static address fec0::5 netmask 16