This video is a brief guide on how to configure the FortiGate to leverage Cisco Duo for VPN Authentication. In this video, Microsoft Entra ID will provide the initial authentication and then Cisco Duo will provide the MFA. The focus on this video is the configuration of the identity components, however there are clear instructions on how to configure the IPSec IKEv2 VPN components between the FortiGate and the FortiClient.