About the author

Dirk S. Mohl is currently head of development for Industrial Ethernet products at Hirschmann Automation and Control, Germany. He received a Diploma of Engineering degree in Electrical Engineering from the Technical University of Stuttgart, Germany, in 1991. He started work in 1992 at Hirschmann in the Networking Department as a hardware and software development engineer. His main interest is Ethernet and Switching (Layer 2 and Layer 3) with focus on industrial applications.