Connect the Internet-facing ports (WAN ports) on the FortiGate to your ISP devices. Connect WAN1 to the ISP that you want to use for most traffic. Connect WAN2 to the other ISP.
Connect the Internet-facing ports (WAN ports) on the FortiGate to your ISP devices. Connect WAN1 to the ISP that you want to use for most traffic. Connect WAN2 to the other ISP.