Hi, we got a class B Lan, consisting of servers and clients with 172.x.x.x addresses. The WAN networks on other locations have class A IPs, such as 10.x.x.x. The problem now is, that we are putting the domain controllers in the WANs away, so we got a DHCP server in the class b net and want the WLAN desktops to receive class A addresses from it. How is that possible? I think you have to have two network cards for that, but how could I configure DHCP to give 10.x.x.x addresses, also, it has to give the clients DIFFERENT addresses, such as 10.1.x.x for WLAN place A, 10.2.x.x for WLAN place A, and so on. I don't have to reserve an IP address for every client, do I? Thanks so muc for your reply!