Multiple DHCPs scopes on one interface.

Hi all,

I want to configure 2 different subnets on a single interface and have the FortiGate act as the DHCP for all hosts connected to said interface.

At first I thought about configuring a secondary address on the interface and put two DHCP scopes on the interface but after looking in the forum I understood that it won't work.

I'm guessing there is a way to do this using DHCP-Relay but I'm not sure what is the right way to config this.

I have FortiGate 100D, subnet one is 192.168.1.254/24 and the second subnet is 172.30.15.254/24.

Anyone met this issue before and have a clue about to go about this?