This webinar shows usage of KNX Secure routers as replacements for existing plain routers, with the Enertex KNX IP Secure Router used as an example. The basics of KNX routing and topology setup with ETS is taught, as well as the principle of filtering of group addressed or individually addressed telegrams. The usage of tunnelling and its basics of both the old and the new standard is shown. Last but not least, the secure programming is demonstrated.