The BroadcastDistributionTable is a frozen child slot of the BacnetIpLinkLayer (Link) node under an BacnetIpLinkLayer child of the BacnetComm, BacnetNetworkLayer. If the station is operating as a BBMD (BACnet Broadcast Management Device), this BDT table contains the IP addresses and broadcast distribution masks of all other known participating BBMDs.

Its default Bdt Manager view allows manually entering known BBMDs, if needed. All changes to the BDT are automatically propagated to the other BBMDs in the table. See About BBMDs.