On Tue, 2010-07-06 at 23:45 +0000, Cameron Hutchison wrote: > iface eth0 inet dhcp > up ip addr add W.X.Y.Z/N dev $IFACE > down ip addr del W.X.Y.Z/N dev $IFACE Cool - I hadn't realised the $IFACE variable was available there :-) I see there are others too. Thanks, Richard