Using private VLANs

Private VLANs (PVLANs) are an extension of the VLAN standard. PVLANs can be configured on virtual distributed switches to isolate traffic between virtual machines in the same VLAN.

How to do it…

  1. Identify the types of private VLANs available and the functionality of each.
  2. Determine the use cases for the PVLANs and identify if the PVLANs can be used to satisfy design requirements.
  3. Design the PVLANs to meet design requirements.

How it works…

A primary PVLAN is created on a vDSwitch, and secondary PVLANs are associated with the primary PVLAN. There are three types of secondary PVLANs: Promiscuous, Community, and Isolated. They are depicted in the following diagram:

The virtual machine connections in a Promiscuous PVLAN can communicate ...

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