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DHCP

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DHCP or Dynamic Host Configuration Protocol is a computer networking protocol used by hosts (DHCP clients) to rerrieve IP address assignments and other configuration information.

DHCP uses a client-server architecture. The client sends a request for configuration information. The DHCP server receives the request and responds with configuration information from its configuration database.

In the absence of DHCP, all hosts on a network must be manually configured individually - a time consuming and often error-prone undertaking.

Dynamic allocation: DHCP assigns an IP address to a client for a limited period of time, which is called a lease. Most DHCP clients obtain their addresses in this way.