This video by our own Manish Patel provides a concept overview of Private VLANs. The Presentation defines what a PVLAN is and provides a diagram of how the Secondary PVLANs communicate. This presentation is also embedded in the Knowledge Base article Private VLAN (PVLAN) on vNetwork Distributed Switch – Concept Overview (1010691), which I recommend reading for the full text and definitions.

Here are some more Knowledge Base articles related to vNetwork Distributed Switches: