DHCP automatically gives devices network settings such as IP addresses, gateways, and DNS servers.
Automatic network configuration
DHCP leases settings to a device when it joins a network. The lease can include an address, subnet mask, gateway, DNS resolver, and renewal period.
Leases are intentional
A temporary address lets networks reuse a limited pool and track active devices. Reservations can give a known device a predictable address without manually configuring every machine.