I've come to find through the labbing below, that the above Topology doesn't work, as the Primary VLAN is the subnet that all Secondary VLANs must reside in, so I spent a lot of time spinning my wheels trying to figure that out on my own. A couple other things to mention right up front … Continue reading Private VLANs – In depth explanation of terminology and theory, configuration, verification, and tons of troubleshooting!