Parameters controlling lease duration allocation. Per,
https://tools.ietf.org/html/rfc2131#section-3.3, times are represented as relative times.
The IP addresses which the server will manage and lease to clients.
A list of MAC addresses which are permitted to request a lease.
A collection of the basic configuration parameters needed by the server.
A collection of static address assignments. Any client whose MAC address has a static
assignment will be offered the assigned IP address.
A bitmask which represents the boundary between the Network part and Host part of an IPv4
address.