Configuring DHCP Relay service on the FortiGate unit
Configuring DHCP Relay service on the FortiGate unit If the clients are configured to obtain a IP address using DHCP relay, configure the FortiGate server as below: To configure DHCP relay on the FortiGate unit 1. Go to System > Network > Interfaces and select Interface want to configure DHCP relay. 2. Enable DHCP Server in the interface and choose Advanced 3. For Mode, select Relay. 4. In Type select Regular. 5. Select OK. 6. If a router is installed between the FortiGate unit and the DHCP server, define a static route to the DHCP server. Note : Sometimes it is required to specify more than one DHCP relay IP, to allow for the coverage of additional LAN subnets. Although the Web Based Manager (GUI) does not provide an option to configure this, it is possible to set up to 8 IPs from the CLI. config system interface edit <REQUIRED_INTERFACE_HERE> set dhcp-relay-ip <FIRST_IP> <SECOND_IP> ....<EIGHTH_IP&