DHCP is based on BOOTP, a bootstrap protocol that allows a client to discover its own IP address, the IP address of a server host, and the name of a bootstrap file. DHCP servers can handle requests from BOOTP clients, but provide additional capabilities beyond BOOTP, such as the automatic allocation of reusable IP addresses and additional configuration options.
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Note: Although a J-series or SRX-series device can act as a DHCP Server, a DHCP relay agent, or DHCP client at the same time, you cannot configure more than one DHCP role on a single interface. |
DHCP provides two primary functions: