Click "Services >> DHCP >> DHCP Server". In the "DHCP Server" bar, check "Enable",
select an interface, set the start and end IP addresses, click Add, and then click
Apply & Save.
Method for settings when the gateway is used as a DHCP client:
Click "Services >> DHCP >> DHCP Client", select the gateway interface, and click
Apply & Save.
Method for enabling DHCP forwarding for the gateway:
DHCP forwarding is also referred to as a DHCP relay agent. It can process and
forward DHCP information between different subnets and physical network segments.
Click "Services >> DHCP >> DHCP Relay", check "Enable", enter the server address,
select the gateway interface, and click Apply & Save.