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After studying this chapter you will be able to: Describe the issues with implementing a redundant network, describe IEEE 802.1D STP operation, describe the different spanning tree varieties, describe PVST+ operation in a switched LAN environment, describe Rapid PVST+ operation in a switched LAN environment,. | . 111.111. CISCO Chapter 4 LAN Redundancy Switched Networks Cisco Networking Academy Mind Wide open Presentation_ID 2008 Cisco Systems Inc. All rights reserved. Cisco Confidential 1 Chapter 4 4.0 Introduction 4.1 Spanning Tree Concepts 4.2 Varieties of Spanning Tree Protocols 4.3 Spanning Tree Configuration 4.4 First-Hop Redundancy Protocols 4.5 Summary Presentation_ID 2008 Cisco Systems Inc. All rights reserved. Cisco Confidential 2 Chapter 4 Objectives Describe the issues with implementing a redundant network. Describe IEEE 802.1D STP operation. Describe the different spanning tree varieties. Describe PVST operation in a switched LAN environment. Describe Rapid PVST operation in a switched LAN environment. Configure PVST and Rapid PVST in a switched LAN environment. Identify common STP configuration issues. Describe the purpose and operation of first hop redundancy protocols. Describe the different varieties of first-hop redundancy protocols. Use Cisco IOS commands to verify HSRP and GLBP implementations. Presentation_ID 2008 Cisco Systems Inc. All rights reserved. Cisco Confidential