Chapter 2. Spanning Tree Protocol

This chapter covers the following subjects:

Spanning Tree Protocol Fundamentals: This section provides an overview of how switches become aware of other switches and prevent forwarding loops.

Rapid Spanning Tree Protocol: This section examines the improvements made to STP for faster convergence.

A good network design provides redundancy in devices and network links (that is, paths). The simplest solution involves adding a second link between switches to overcome a network link failure or ensuring that a switch is connected to at least two other switches in a topology. However, such topologies cause problems when a switch must forward broadcasts or when unknown unicast flooding occurs. Network broadcasts forward ...

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