Tag Archives: VLAN

What Control Engineers Need to Understand about VLANS

This is another in my series of blogs and videos for factory floor engineers. In [...]

Switches and EtherNet/IP Networks

There is precious little information available for manufacturers to use when designing EtherNet/IP networks. To [...]

The History Behind VLANs

Ethernet is now approaching 50 years old and, like us, humans look pretty different than [...]

Understanding the Ethernet Network Domain – Part 1

This is the first part of a series of articles on what automation engineers need [...]

Frame Prioritization Within EtherNet/IP and PROFINET?

Have you ever laid up at night wondering how Ethernet/IP prioritizes their messages or even [...]


Recently, just out of curiosity, I’ve asked a number of controls people about VLANs. The [...]