Table of Contents
Introduction xxxv
Your Study Plan 2
Part I Ethernet LANs
Chapter 1 Implementing Ethernet Virtual LANs
“Do I Know This Already?” Quiz
Foundation Topics
Virtual LAN Concepts
Creating Multiswitch VLANs Using Trunking
Forwarding Data Between VLANs
VLAN and VLAN Trunking Configuration and Verification
Creating VLANs and Assigning Access VLANs to an Interface
VLAN Trunking Protocol
VLAN Trunking Configuration
Implementing Interfaces Connected to Phones
Chapter Review
Chapter 2 Spanning Tree Protocol Concepts
“Do I Know This Already?” Quiz
Foundation Topics
Spanning Tree Protocol (IEEE 802.1D)
The Need for Spanning Tree
What IEEE 802.1D Spanning Tree Does
How Spanning Tree Works
Influencing and Changing the STP Topology
Rapid STP (IEEE 802.1w) Concepts
Comparing STP and RSTP
RSTP and the Alternate (Root) Port Role
RSTP States and Processes
RSTP and the Backup (Designated) Port Role
RSTP Port Types
Optional STP Features
EtherChannel
PortFast
BPDU Guard
Chapter Review
Chapter 3 Spanning Tree Protocol Implementation
“Do I Know This Already?” Quiz
Foundation Topics
Implementing STP
Setting the STP Mode
Connecting STP Concepts to STP Configuration Options
Verifying STP Operation
Configuring STP Port Costs
Configuring Priority to Influence the Root Election
Implementing Optional STP Features
Configuring PortFast and BPDU Guard
Configuring EtherChannel
Implementing RSTP
Identifying the STP Mode on a Catalyst Switch
RSTP Port Roles
RSTP Port States
RSTP Port Types
Chapter Review
Chapter 4 LAN Troubleshooting
“Do I Know This Already?” Quiz
Foundation Topics
Troubleshooting STP
Determining the Root Switch
Determining the Root Port on Nonroot Switches