As previously stated, the Dynamic Host Configuration Protocol (DHCP) is used to dynamically assign hosts with IP addressing information, which includes IP address, subnet mask, default gateway, and additional optional parameters such as Domain Name Service (DNS) servers, Windows Internet Name Service (WINS) servers, and Network Time Protocol (NTP) server information. DHCP uses UDP port 68. Cisco IOS routers and some switches can be configured as both DHCP clients and DHCP servers.
Client States and Message Exchanges
DHCP is a client / server protocol wherein the server provides the client dynamic addressing information. The server can be a standalone . . .
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