I have a Win 2k3 server with DHCP running on a subnet with no VLAN, and 5 scopes (each with a different subnet). I have 4 VLAN's and a router that does DHCP relay to that server from each vlan.
I understand that a DHCP request coming from any VLAN will be converted to unicast, and the DHCP server will pick the right scope to serve from based on the unicast address. Great!
However, what if a DHCP request comes in from a PC not on a vlan? Which scope will the server use?
If not predictable, is there a way to force the DHCP server to use one scope by default?