Dynamic Host Configuration Protocol
DHCP, or Dynamic Host Configuration Protocol, is
a network protocol that allows the server to dynamically assign an IP address
to your computer from a defined range of numbers stored on the server. When
your modem comes online, it indicates to the DHCP server that it is looking for
an IP address. The server acknowledges this request and your modem transmits
its MAC address to the server. The server looks up the reserved IP or assigns a
new one to your system. DHCP is preferred over static IP addressing, in which a
computer is configured manually to a specific IP address, in setting up large
networks. Static assignment may lead to loss of service if two computers are
configured with same IP address. DHCP servers typically grant IP addresses to
clients for a limited time interval, and renewal of IP address is client’s
responsibility before expiration of that period.
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