Link (Ip), Broadcast Distribution Table (bacnet-BroadcastDistributionTable)
This component is a frozen child slot under of the BacnetLinkLayer (Link) node under a network port, which itself is a child of . 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.
This table’s default Bdt Manager view allows you to manually enter known BBMDs, if needed. The system automatically propagates all changes to the BDT to the other BBMDs in the table.
Figure 39. Broadcast Distribution Table properties
You access these properties by expanding , right-click Broadcast Distribution Table and click .
| Property | Value | Description |
|---|---|---|
| BdtEntry, Bacnet IP Address | IP address | Configures the IP address used to broadcast to the BACnet network. |
| BdtEntry, Broadcast Distribution Mask | number | Sets up either a subnet mask or all ones (1s). This mask indicates if a BBMD is to send a directed broadcast (retransmitted by appropriately configured IP routers) or a unicast message to the indicated BBMD, which then retransmits the forwarded broadcast message. |