Fortinet FortiGate 1U Quick Start Manual page 107

Adding inter-subnet security
policies
Go to Policy > Policy > Policy.
Create a policy allowing traffic from the
Apple TV to the iOS device. Set Incoming
Interface to LAN, Source Address to the
Internal network, and Outgoing Interface to
the SSID.
Create a policy allowing traffic from the
iOS device to the Apple TV. Set Incoming
Interface to the SSID, Source Address to
the SSID IP, and Outgoing Interface to the
LAN.
Results
Use Airplay from the iPad to stream video to
the Apple TV.
Go to Log & Report > Traffic Log >
Multicast Traffic to see the multicast traffic
between the WLAN1 and LAN interfaces.
Using AirPlay with iOS, AppleTV, FortiAP, and a FortiGate unit 87