WatchGuard firewall must be running Firmware version 12.1.x or higher.  Earlier versions do not support multicast.  In "Fireware Policy Manager", create policy rules to open the following ports:

Additionally, add:

8125                     UDP                         PC to Airtame                 Device Management

Fireware Policy Manager network configuration

WatchGuard wireless setup

Go to:    Network => Wireless => Configure Access Point 1 => Wireless 

Uncheck: Prohibit Client to Client wireless network traffic

Enable Multicast

Go to: Network => Multicast

Check: “Enable Multicast Routing”

Add Interfaces: – ath1 (Bridge) & Trusted_Wi-Fi

Save configuration to Firebox 

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