auto lo
iface lo inet loopback

auto eth0=grenode
iface grenode inet static
	address   LOCAL_IPV4
	gateway   LOCAL_GATEWAY
	network   LOCAL_IPV4
	broadcast LOCAL_IPV4
	netmask   LOCAL_NETMASK
	post-up   ip route add LOCAL_GATEWAY dev $IFACE
	post-up   ip route add default via LOCAL_GATEWAY
	post-down ip route del default via LOCAL_GATEWAY
	post-down ip route del LOCAL_GATEWAY dev $IFACE