FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
3) Add VDOM to the Virtual Access Point interfaces:
config wireless-controller vap edit "wifi" set vdom root next
4) Add VDOM to the system interfaces (physicals, loopbacks, tunnels , VAP’s, etc):
config system interface edit "wan" set vdom root set type physical next edit "Loopbk" st vdom root set type loopback next edit "wifi" set vdom "root" set type vap-switch next edit "ssl.root" set vdom "root" set type tunnel next