Outline

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Module 6: OSPF

Module Overview |

6.1

OSPF Overview

6.1.1 | Issues addressed by OSPF
6.1.2 | OSPF terminology
6.1.3 | OSPF states
6.1.4 | OSPF network types
6.1.5 | The OSPF Hello protocol

6.2

OSPF Operation

6.2.1 | Steps of OSPF operation
6.2.2 | Step 1: Establish router adjacencies
6.2.3 | Step 2: Elect a DR and a BDR
6.2.4 | Step 3: Discover routes
6.2.5 | Step 4: Select appropriate routes
6.2.6 | Step 5: Maintain routing information

6.3

OSPF Configuration and Verification

6.3.1 | Configuring OSPF on routers within a single area
6.3.2 | Optional configuration commands
6.3.3 | Optional configuration commands (continued)
6.3.4 | Show commands
6.3.5 | Clear and debug commands

6.4

Configuring OSPF Over NBMA

6.4.1 | NBMA overview
6.4.2 | Full-mesh Frame Relay
6.4.3 | Partial-mesh Frame Relay
6.4.4 | Point-to-Multipoint OSPF

6.5

Multiarea OSPF Operation

6.5.1 | Creating multiple OSPF areas
6.5.2 | OSPF router types
6.5.3 | OSPF LSA and area types
6.5.4 | Configuring OSPF operation across multiple areas
6.5.5 | Flooding LSUs to multiple areas
6.5.6 | Updating the routing table
6.5.7 | Opaque LSAs

6.6

Multiarea OSPF Configuration and Verification

6.6.1 | Using and configuring OSPF multiarea components
6.6.2 | Configuring OSPF route summarization
6.6.3 | Verifying multiarea OSPF operation

6.7

Stub, Totally Stubby, and Not-So-Stubby Areas

6.7.1 | Using stub and totally stubby areas
6.7.2 | Stub and totally stubby area criteria
6.7.3 | Configuring stub and totally stubby areas
6.7.4 | OSPF stub area configuration example
6.7.5 | OSPF totally stubby area configuration example
6.7.6 | NSSA overview
6.7.7 | How NSSA operates
6.7.8 | Configuring NSSA

6.8

Virtual Links

6.8.1 | Meeting the backbone area requirements
6.8.2 | Configuring virtual links
6.8.3 | Virtual link configuration example

6.9

OSPF Verification and Configuration Lab Exercises

6.9.1 | Configuring OSPF
6.9.2 | Examining the DR/BDR election process
6.9.3 | Multiarea OSPF
6.9.4 | Configuring a stub area and a totally stubby area
6.9.5 | Configuring an NSSA
6.9.6 | Configuring virtual links

6.10

OSPF Multiarea Configuration Challenge Lab Exercise

6.10.1 | OSPF challenge lab

Module Summary |
Module Quiz |

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