ZyXEL MES-3528 User Guide - Page 265
Configuring DHCP Global Relay
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Chapter 31 DHCP The DHCP Relay Agent Information feature adds an Agent Information field to the Option 82 field. The Option 82 field is in the DHCP headers of client DHCP request frames that the Switch relays to a DHCP server. Relay Agent Information can include the System Name of the Switch if you select this option. You can change the System Name in Basic Settings > General Setup. The following describes the DHCP relay information that the Switch sends to the DHCP server: Table 94 Relay Agent Information FIELD LABELS DESCRIPTION Slot ID (1 byte) This value is always 0 for stand-alone switches. Port ID (1 byte) This is the port that the DHCP client is connected to. VLAN ID (2 bytes) This is the VLAN that the port belongs to. Information (up to 64 bytes) This optional, read-only field is set according to system name set in Basic Settings > General Setup. 31.3.2 Configuring DHCP Global Relay Configure global DHCP relay in the DHCP Relay screen. Click IP Application > DHCP in the navigation panel and click the Global link to display the screen as shown. Figure 149 IP Application > DHCP > Global MES-3528 User's Guide 265