What Is An Advantage Of Pvst+?
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PVST+ (Per–VLAN Spanning Tree Plus) is a Cisco proprietary implementation of IEEE 802.1D Spanning Tree Protocol. The major advantage of PVST+ is its capability to provide a separate instance of Spanning Tree Protocol for each VLAN in a switched network. This allows the network administrator to configure a unique spanning tree instance for each VLAN, optimizing and reducing the risk to the entire Layer 2 network.