auto lo
iface lo inet loopback
auto eth1
iface eth1 inet static
        address 192.168.0.254
        netmask 255.255.255.0
        network 192.168.0.0
        broadcast 192.168.0.255
auto wlan0
iface wlan0 inet static
        address 192.168.1.254
        netmask 255.255.255.0
        network 192.168.1.0
        broadcast 192.168.1.255