28.1 Overview of spanning tree

<Structure of this section>

• 28.1.1 Overview

• 28.1.2 Type of spanning tree

• 28.1.3 Spanning Tree and Rapid Spanning Tree

• 28.1.4 Components of a spanning-tree topology

• 28.1.5 Topology design of spanning tree

• 28.1.6 The STP compatibility mode

• 28.1.7 Notes on Spanning Tree Protocols