I am trying the new Mango (core 2.1.3 and BACnet 2.0.3) to discover some BACnet/IP points. I use the MAC address as XXX.XXX.XXX.XXX:47808 and Device instance number. But always got the error: java.net.SocketException: Socket is closed. If I manually input the details of points on this BACnet/IP network, it works fine. But I just could not make the discover working. Could you please help me with this problem? Please let me know if you may need more information about our scenario. Thank you!

Best wishes,