PacketLab
Course overview

OSPF

Learn neighbor relationships, link-state routing, areas, and practical OSPF operations.

23 of 23 lessons available. Each available lesson includes focused examples, key takeaways, and a quiz.

Course sections

Fundamentals and adjacency3 topics
  1. Introduction to OSPFAvailable
  2. First adjacencyAvailable
  3. Neighbor states and requirementsAvailable
Network types and elections4 topics
  1. TimersAvailable
  2. Network typesAvailable
  3. DR and BDR electionsAvailable
  4. Passive interfacesAvailable
Database and path selection3 topics
  1. LSAs and floodingAvailable
  2. SPF calculationAvailable
  3. Cost and ECMPAvailable
Multi-area design4 topics
  1. Backbone and ABRsAvailable
  2. Inter-area routingAvailable
  3. SummarizationAvailable
  4. Default routesAvailable
External routing and special areas4 topics
  1. RedistributionAvailable
  2. External metrics and route tagsAvailable
  3. Stub areasAvailable
  4. NSSAAvailable
Security and operations4 topics
  1. AuthenticationAvailable
  2. ConvergenceAvailable
  3. OSPFv3Available
  4. TroubleshootingAvailable
Capstone lab1 topics
  1. Multi-area build and repairAvailable