White Papers
Per-VLAN Spanning Tree Plus (PVST+)
Per-VLAN spanning tree plus (PVST+) is a variation of Spanning Tree — developed by a third party — that allows you to congure a
separate Spanning Tree instance for each VLAN.
For more information about Spanning Tree, refer to Spanning Tree Protocol (STP).
Topics:
• Protocol Overview
• Implementation Information
• Congure Per-VLAN Spanning Tree Plus
• Enabling PVST+
• Disabling PVST+
• Modifying Global PVST+ Parameters
• Modifying Interface PVST+ Parameters
• Conguring an EdgePort
• PVST+ in Multi-Vendor Networks
• Enabling PVST+ Extend System ID
• PVST+ Sample Congurations
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