Chapter 2. Spanning Tree Protocol Concepts

This chapter covers the following exam topics:

1.0 LAN Switching Technologies

1.3 Configure, verify, and troubleshoot STP protocols

1.3.a STP mode (PVST+ and RPVST+)

1.3.b STP root bridge selection

1.4 Configure, verify, and troubleshoot STP-related optional features

1.4.a PortFast

1.4.b BPDU guard

1.5 Configure, verify, and troubleshoot (Layer 2/Layer 3) EtherChannel

1.5.a Static

1.5.b PAGP

1.5.c LACP

Spanning Tree Protocol (STP) allows Ethernet LANs to have the added benefits of installing redundant links in a LAN, while overcoming the known problems that occur when adding those extra links. Using redundant links in a LAN design allows the LAN to keep working even when some links fail or even when ...

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