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CCNP TSHOOT 642-832 Official Certification Guide by Kevin - CCIE No. 7945 Wallace

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Chapter 4. Basic Cisco Catalyst Switch Troubleshooting

This chapter covers the following subjects:

VLAN Troubleshooting: This section reviews the basics of Layer 2 switching operation and shows how a few readily accessible Cisco IOS commands can be used to quickly gather information as part of a structured troubleshooting process.

Spanning Tree Protocol Troubleshooting: This section introduces Spanning Tree Protocol (STP), which allows a Layer 2 topology to have redundant links while avoiding the side effects of a looped Layer 2 topology, such as a broadcast storm. You then learn strategies for troubleshooting an STP issue. Finally, this section addresses troubleshooting an EtherChannel connection.

Trouble Ticket STP: This section presents you ...

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