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Per-VLAN Spanning Tree Plus (PVST+)
Dell Networking OS supports per-VLAN spanning tree plus (PVST+).
Protocol Overview
PVST+ is a variation of spanning tree — developed by a third party — that allows you to congure a separate spanning tree instance for
each virtual local area network (VLAN).
For more information about spanning tree, refer to the Spanning Tree Protocol (STP) chapter.
Figure 94. Per-VLAN Spanning Tree
The Dell Networking operating system (OS) supports three other variations of spanning tree, as shown in the following table.
44
624 Per-VLAN Spanning Tree Plus (PVST+)