IP Address Lease Time

Code

51

Length

Fixed, 4 octets.

Value

Single, signed 32-bit integer representing a client's lease time, in seconds.

Description

This option type is used to negotiate and exchange lease-time information between DHCP clients and servers in two possible ways. First, the option can be used in a DHCPDiscover or DHCPRequest message sent by a client to request a lease time for its IP address. Second, the option can be used in a DHCPOffer message sent by a server to specify a lease time the server can offer to the client.

Structure