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IEEE802.1D Spanning Tree

All Avaya Multiservice switches participate in a Single Spanning Tree domain in the IEEE802.1D STP mode. All ports with STP configured belong to the same spanning tree domain and rules are as defined in IEEE802.1D. BPDUs are as defined by 802.1D and are sent out Clear on each link regardless of whether or not the link has a tagging method defined. As documented in the IEEE specification, 802.1 D Spanning Tree is intended for environments where only one VLAN is used in the network. If you are using 802.1 D Spanning Tree in the network and have multiple VLANs, you should set the P580 or P882 switches to run Dual-Layer Spanning Tree.


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