Configure DHCP Relay

One way to get IP addresses for the computers on the trusted or optional networks is to use a DHCP server on a different network. You can use DHCP relay to get IP addresses for the computers on the trusted or optional network. With this feature, the XTM device sends DHCP requests to a server on a different network.

If the DHCP server you want to use is not on a network protected by your XTM device, you must set up a branch office VPN tunnel between your XTM device and the network where the DHCP server is for this feature to operate correctly.

To configure DHCP relay:

  1. Select Network > Interfaces.
    The Network Interfaces page appears.
  2. Select a trusted or an optional interface and click Configure.
  3. From the drop-down list at the bottom of the page, select Use DHCP Relay.
  4. Type the IP address of the DHCP server in the related field. Make sure to Add a Static Route to the DHCP server, if necessary. The DHCP server can be on the network at the remote end of a branch office VPN tunnel.

See Also

Configure IPv4 DHCP in Mixed Routing Mode

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