Airplay Across VLAN's and Subnets
Special settings may need to be added to your router to allow Airplay discovery and streaming across different VLAN's and subnets. The routes listed below need to be configured:
From WiFi (iOS) to the LAN (MMS)
Destination port
TCP port 700
UDP ports 1 through 65535
From LAN (MMS) to WiFi (iOS)
Destination port
TCP 7000
TCP 7100
TCP 49152 through 50000
UDP 1 through 65535