How are you physically connected to your ISP?
It may well be that you can't get DHCP direct from your ISP because of other
hardware in the way.
--
Nigel Wade, System Administrator, Space Plasma Physics Group,
University of Leicester, Leicester, LE1 7RH, UK
E-mail : nmw at ion.le.ac.uk
Phone : +44 (0)116 2523548, Fax : +44 (0)116 2523555