ZyXEL VES1724-56B2 User Guide - Page 311
DHCP Overview, DHCP Status
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CHAPTER 35 DHCP This chapter shows you how to configure the DHCP feature. 35.1 DHCP Overview DHCP (Dynamic Host Configuration Protocol RFC 2131 and RFC 2132) allows individual computers to obtain TCP/IP configuration at start-up from a server. You can configure the Switch as a DHCP relay agent. If you configure the Switch as a relay agent, then the Switch forwards DHCP requests to DHCP server on your network. If you don't configure the Switch as a DHCP relay agent then you must have a DHCP server in the broadcast domain of the client computers or else the client computers must be configured manually. 35.1.1 DHCP Modes If there is already a DHCP server on your network, then you can configure the Switch as a DHCP relay agent. When the Switch receives a request from a computer on your network, it contacts the DHCP server for the necessary IP information, and then relays the assigned information back to the computer. 35.1.2 DHCP Configuration Options The DHCP configuration on the Switch is divided into Global and VLAN screens. The screen you should use for configuration depends on the DHCP services you want to offer the DHCP clients on your network. Choose the configuration screen based on the following criteria: • Global: The Switch forwards all DHCP requests to the same DHCP server. • VLAN: The Switch is configured on a VLAN by VLAN basis. The Switch can be configured to relay DHCP requests to different DHCP servers for clients in different VLAN. 35.2 DHCP Status Click IP Application > DHCP in the navigation panel. The DHCP Status screen displays. Figure 193 IP Application > DHCP > DHCP Status VES1724-56 User's Guide 311