Part III
Implementing VLANs and STP
Chapter 8: Implementing Ethernet Virtual LANs
Chapter 9: Spanning Tree Protocol Concepts
Chapter 10: RSTP and EtherChannel Configuration
Part II of this book introduces the basics of Ethernet LANs, both in concept and in how to implement the features. However, the two primary features discussed in Part III of this book—Virtual LANs (VLANs) and Spanning Tree Protocol (STP)—impact almost everything you have learned about Ethernet so far.
VLANs allow a network engineer to create separate Ethernet LANs through simple configuration choices. The ability to separate some switch ports into one VLAN and other switch ports into another VLAN gives network designers a powerful tool for creating networks. ...
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