Appendix C. Internetworks and BACnet/IP

Table of Contents

C.. BACnet Network Numbers
C.. Internetwork = BACnet Routers
- Internetwork Rules
- BACnet Router Functions
C.. BACnet/IP and BBMDs
- About BBMDs
  - Why and What a BBMD Does
- Foreign Device Table
C.. Niagara BBMD and Foreign Device configuration tips
- Existing BACnet/IP Network
  - Configure As BBMD
  - Configure As Foreign Device
- New BACnet IP Network
C.. Example Internetwork Diagrams
- BACnet/IP

The BACnet standard defines an “internetwork” as a set of two or more (BACnet) networks connected by (BACnet) routers. This appendix explains topics relating to BACnet internetworks and Niagara station configuration. Also provided are BBMD-related details that apply only to a BACnet/IP network.

The following main topics are included:

BACnet Network Numbers
Internetwork = BACnet Routers
- Internetwork Rules
- BACnet Router Functions
BACnet/IP and BBMDs
- About BBMDs
- Foreign Device Table
Niagara BBMD and Foreign Device configuration tips
- Existing BACnet/IP Network
- New BACnet IP Network
Example Internetwork Diagrams
- BACnet/IP