| Function Values |
|---|
| Value | Meaning | Description |
|---|
| 0x00 | BVLC Result | |
| 0x01 | Write Broadcast Distribution Table | |
| 0x02 | Read Broadcast Distribution Table | |
| 0x03 | Read Broadcast Distribution Table ACK | |
| 0x04 | Forwarded-NPDU | Optional Originating Device IP address and Port included in BVLL header |
| 0x05 | Register Foreign Device | Registers Foreign Device with expiration timeout (Time-to-live) in seconds. |
| 0x0A | Original-Unicast-NPDU | Used to send directed NPDUs to another BACnet/IP device or router.
Optional Originating Device IP address and Port NOT included in BVLL header.
See Specification Section J.2.11, page 568 |
| 0x0B | Original-Broadcast-NPDU | Used by devices (except foreign devices) to broadcast messages on B/IP networks.
Optional Originating Device IP address and Port NOT included in BVLL header |
| 0x0C | Secure-BVLL | |