ZyXEL MGS-3712F User Guide - Page 292

Chapter 32 DHCP The following table describes the labels in this screen. Table 98 IP Application > DHCP > VLAN LABEL DESCRIPTION VID Enter the ID number of the VLAN to which these DHCP settings apply. Remote Enter the IP address of a DHCP server in dotted decimal notation. DHCP Server 1 .. 3 Relay Agent Information Select the Option 82 check box to have the Switch add information (slot number, port number and VLAN ID) to client DHCP requests that it relays to a DHCP server. Information This read-only field displays the system name you configure in the General Setup screen. Add Cancel Clear VID Type DHCP Status Delete Cancel Select the check box for the Switch to add the system name to the client DHCP requests that it relays to a DHCP server. Click Add to save your changes to the Switch's run-time memory. The Switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the nonvolatile memory when you are done configuring. Click Cancel to begin configuring this screen afresh. Click this to clear the fields above. This field displays the ID number of the VLAN group to which this DHCP settings apply. This field displays the DHCP mode (Relay). For DHCP relay configuration, this field displays the first remote DHCP server IP address. Select the configuration entries you want to remove and click Delete to remove them. Click Cancel to clear the Delete check boxes. 32.4.1 Example: DHCP Relay for Two VLANs The following example displays two VLANs (VIDs 1 and 2) for a campus network. Two DHCP servers are installed to serve each VLAN. The system is set up to forward DHCP requests from the dormitory rooms (VLAN 1) to the DHCP server 292 MGS-3712/MGS-3712F User's Guide