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Objective 1.2. Manage DHCP

DHCP is typically configured on a member server in an Active Directory domain. This objective assumes that DHCP has been installed, configured, and authorized in Active Directory and that it has given out leases to clients. However, this scenario is never the end of the story. You might be asked to set up an additional scope, possibly to support a second subnet or to support remote access clients. You create scopes from the DHCP console using the New Scope Wizard. The wizard prompts you for a start and end address and for an exclusion range, and it expedites the task of setting up scopes—provided you understand the significance of the information you are supplying.

A reservation ensures that a client always obtains the same IP address when it renews its lease. A client with a reservation receives a DHCP lease even if all the leases available for nonreserved clients have been allocated. Reservations are typically set up for such clients as network-enabled print devices that other clients access by specifying a fixed IP address. Politically, you would also be wise to create a reservation for your boss! You create a reservation by expanding the appropriate scope, right-clicking Reservations, and selecting New Reservation. You are then asked to supply a reservation name (usually the host name), the IP address to be allocated, and the Media Access Control (MAC) address of the client.


  

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