[Shepherd] What ports are being mainly used by the Shepherd application for communication?

The Shepherd application mainly uses (as default) port 5678 to send UDP broadcast packets to the network in order to find VIVOTEK devices.

When the devices receive the broadcast, it will reply the application with basic information such as model name, IP, mac and ports used for communication.

Then, the Shepherd application it will use those ports configured in the device to perform configurations, data upload and firmware upgrade.