Introduction to DHCP functions on the AR.

The Dynamic Host Configuration Protocol (DHCP) dynamically configures and uniformly manages network parameters of hosts on a TCP/IP network. DHCP provides the following functions:
Dynamic allocation: DHCP allocates an IP address with a limited validity period (lease) to a client.
This mechanism applies to hosts that temporarily connect to a network with fewer IP addresses than the total number of hosts. For example, this mechanism can be used to allocate IP addresses to laptops used by employees on business trips or mobile terminals in cafes.
Static allocation: Fixed IP addresses are assigned to specified hosts.
This mechanism applies to hosts with special IP address requirements. For example, the file server of an enterprise needs to use a fixed IP address to provide services for external users.
Compared with manual IP address configuration, DHCP static allocation prevents manual configuration errors and helps network administrators perform unified maintenance and management.
DHCP can allocate other network parameters to hosts, including the DNS server address, routing information, and gateway address.

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