Global Who-Is requests are important to ensure all of the devices on your system are accounted for. However, if they occur too often they can clog the system with all of the I-Am replies. It is important to know if they are being sent out too frequently.
Having unique device IDs in BACnet systems is extremely important. Yet, due to fix-value defaults, changes in systems, or incorrect programming, having duplicate device IDs can be common. Unfortunately, finding the root of these duplicate device IDs is very difficult, and nearly impossible in Wireshark.
Visual BACnet version 1.6 is being released today with a plethora of long-anticipated features. Thank you to our many customers who gave feedback and requested these additions. If you are not using Visual BACnet, sign up for a free two-week trial today!