The Bacnet IP virtual link layer implementation, it appears as the Link node under an IpPort NetworkPort child of the BacnetComm, BacnetNetworkLayer. This Link container contains properties specifying a number of items, including Ethernet adapter, IP address, UDP port, IP device type, BBMD address, and registration lifetime.

This Link node is also the parent container for the BroadcastDistributionTable and ForeignDeviceTable. For more details, see About Bacnet Comm: Network: Ip Port.