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Bacnet protocol and BBMD

carl_townshend
Spotlight
Spotlight

Hi All

Honeywell are installing some devices on our network using the Bacnet protocol, this protocol I believe uses broadcasts to communicate, I believe there is a solution for the broadcasts issue called BBMD?

Has anyone got bacnet working by enabling broadcast forwarding and directed broadcasts on the router?

The server is on a different subnet so we need to find a solution.

cheers

2 Replies 2

mlund
Rising star
Rising star

I have never used that protocol, but if you configure ip helper, the router forwards a couple of predefined protocols. You can then add the bacnet with "ip forward-protocol udp <nr>"

carl_townshend
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Spotlight

From looking at the protocol I think this won't work, the bbmd forwarders seem to keep a list of devices in it to forward to etc.

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