The two primary KNXnet/IP device types are Interfaces and Routers. There are three addresses the KNXnet/IP driver needs to communicate with either of these device types:
NOTE: The default Control Port Number is 3671.
NOTE: Manual data entry is not available in v29 of the KNXnet/IP driver.
The KNXnet/IP driver’s Search Network For Devices (Device Discovery) feature uses a Multicast connection.
NOTE: If both the Ip Address and Control Port Number are known by the KNXnet/IP driver, then it will not initiate a Search Request via a Multicast connection.