DHCP Extensions

The following option types are specific to DHCP and are used to implement default protocol interaction and system behavior between servers and clients. Some of these options are implicitly set when you configure server and scope properties using DHCP Manager.

Requested IP Address

Code50
LengthFixed, 4 octets.
ValueSingle, signed 32-bit integer indicating a requested IP address.
DescriptionCan be used by clients when sending a DHCPDiscover message to request that a specific IP address be assigned by the server.
StructureCodeLengthRequested IP Address
 50na1, a2, a3, a4

IP Address Lease Time

Code51
LengthFixed, 4 octets.
ValueSingle, signed 32-bit integer representing a client’s lease time, in seconds.
DescriptionThis option type is ...

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