Chapter 14. Spanning Tree Protocol and EtherChannel

This chapter provides information and commands concerning the following topics:

▪ Spanning Tree Protocol

▪ Enabling Spanning Tree Protocol

▪ Configuring the root switch

▪ Configuring a secondary root switch

▪ Configuring port priority

▪ Configuring the path cost

▪ Configuring the switch priority of a VLAN

▪ Configuring STP timers

▪ Verifying STP

▪ Optional STP configurations

▪ Changing the spanning-tree mode

▪ Extended System ID

▪ Enabling Rapid Spanning Tree

▪ Troubleshooting Spanning Tree

▪ Configuration example: STP

▪ EtherChannel

▪ Interface modes in EtherChannel

▪ Guidelines for configuring EtherChannel

▪ Configuring Layer 2 EtherChannel

▪ Verifying EtherChannel

▪ Configuration example: ...

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