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Chapter 5: Adjust and Troubleshoot Single-Area OSPF

  • 5.0 Adjust and Troubleshoot Single-Area OSPF
    • 5.0.1 Introduction
      • 5.0.1.1 Introduction
      • 5.0.1.2 Class Activity - DR and BDR Election
  • 5.1 Advanced Single-Area OSPF Configurations
    • 5.1.1 Routing in the Distribution and Core Layers
      • 5.1.1.1 Routing versus Switching
      • 5.1.1.2 Static Routing
      • 5.1.1.3 Dynamic Routing Protocols
      • 5.1.1.4 Open Shortest Path First
      • 5.1.1.5 Configuring Single-Area OSPF
      • 5.1.1.6 Verifying Single-Area OSPF
      • 5.1.1.7 Configuring Single-Area OSPFv3
      • 5.1.1.8 Verifying Single-Area OSPFv3
      • 5.1.1.9 Lab - Configuring Basic Single-Area OSPFv2
    • 5.1.2 OSPF in Multiaccess Networks
      • 5.1.2.1 OSPF Network Types
      • 5.1.2.2 Challenges in Multiaccess Networks
      • 5.1.2.3 OSPF Designated Router
      • 5.1.2.4 Verifying DR/BDR Roles
      • 5.1.2.5 Verifying DR/BDR Adjacencies
      • 5.1.2.6 Default DR/BDR Election Process
      • 5.1.2.7 DR/BDR Election Process
      • 5.1.2.8 The OSPF Priority
      • 5.1.2.9 Changing the OSPF Priority
      • 5.1.2.10 Activity - Identify OSPF Network Type Terminology
      • 5.1.2.11 Activity - Select the Designated Router
      • 5.1.2.12 Packet Tracer - Determining the DR and BDR
      • 5.1.2.13 Lab - Configuring OSPFv2 on a Multiaccess Network
    • 5.1.3 Default Route Propagation
      • 5.1.3.1 Propagating a Default Static Route in OSPFv2
      • 5.1.3.2 Verifying the Propagated Default Route
      • 5.1.3.3 Propagating a Default Static Route in OSPFv3
      • 5.1.3.4 Verifying the Propagated IPv6 Default Route
      • 5.1.3.5 Packet Tracer - Propagating a Default Route in OSPFv2
    • 5.1.4 Fine-tuning OSPF Interfaces
      • 5.1.4.1 OSPF Hello and Dead Intervals
      • 5.1.4.2 Modifying OSPFv2 Intervals
      • 5.1.4.3 Modifying OSPFv3 Intervals
    • 5.1.5 Secure OSPF
      • 5.1.5.1 Routers are Targets
      • 5.1.5.2 Secure Routing Updates
      • 5.1.5.3 MD5 Authentication
      • 5.1.5.4 Configuring OSPF MD5 Authentication
      • 5.1.5.5 OSPF MD5 Authentication Example
      • 5.1.5.6 Verifying OSPF MD5 Authentication
      • 5.1.5.7 Packet Tracer - Configuring OSPFv2 Advance Features
      • 5.1.5.8 Lab - Configuring OSPFv2 Advance Features
  • 5.2 Troubleshooting Single-Area OSPF Implementations
    • 5.2.1 Components of Troubleshooting Single-Area OSPF
      • 5.2.1.1 Overview
      • 5.2.1.2 OSPF States
      • 5.2.1.3 OSPF Troubleshooting Commands
      • 5.2.1.4 Components of Troubleshooting OSPF
      • 5.2.1.5 Activity - Identify the Troubleshooting Command
    • 5.2.2 Troubleshoot Single-Area OSPFv2 Routing Issues
      • 5.2.2.1 Troubleshooting Neighbor Issues
      • 5.2.2.2 Troubleshooting OSPF Routing Table Issues
      • 5.2.2.3 Packet Tracer - Troubleshooting Single-Area OSPFv2
    • 5.2.3 Troubleshoot Single-Area OSPFv3 Routing Issues
      • 5.2.3.1 OSPFv3 Troubleshooting Commands
      • 5.2.3.2 Troubleshooting OSPFv3
      • 5.2.3.3 Lab - Troubleshooting Basic Single-Area OSPFv2 and OSPFv3
      • 5.2.3.4 Lab - Troubleshooting Advanced Single-Area OSPFv2
  • 5.3 Summary
    • 5.3.1 Summary
      • 5.3.1.1 Class Activity - OSPF Troubleshooting Mastery
      • 5.3.1.2 Packet Tracer - Skills Integration Challenge
      • 5.3.1.3 Summary
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