ZyXEL Communications ES-2108, User Manual, Page: 191 / 284

Chapter 25 DHCP
ES-2108 Series User’s Guide
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25.3.2 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 110 IP Application > DHCP > Global
The following table describes the labels in this screen.
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.
Table 70 Relay Agent Information
FIELD LABELS DESCRIPTION
Table 71 IP Application > DHCP > Global
LABEL DESCRIPTION
Active Select this check box to enable DHCP relay.
Remote
DHCP Server
1 .. 3 Enter the IP address of a DHCP server in dotted decimal notation.
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.
Select the check box for the Switch to add the system name to the client DHCP
requests that it relays to a DHCP server.
Apply Click Apply 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 non-volatile memory when you are done
configuring.
Cancel Click Cancel to begin configuring this screen afresh.