Date: 16th February 2021
Location: eTutorial
Venue: Online


  • OSPF is a widely used IGP (interior gateway protocol) in both enterprise and service provider networks.
  • This tutorial will cover how link state protocols work in general, the different LSA types in OSPF, OSPF neighbor relationship, and OSPF best path selection. We will also discuss best practices around what routing information should be carried in OSPF.

Target Audience

  • Technical folks who are building or operating a service provider or enterprise network.


  • It is assumed that participants have a basic understanding of network operations, Internet technologies, OSI reference model, TCP/IP.
  • The lab exercises use Cisco IOS configuration syntax.
  • We recommend the following Academy courses be completed before the start of the tutorial:

Other Requirements

  • Hardware: It is highly recommended that participants bring their own laptop computers with Wifi(b/g/n) and administrative access to system to practice the lessons learned during the workshops.
  • Software: SSH Client, Telnet Client (PuTTy)

Workshop topics

  • Shortest Path First logic
  • LSA types and LSDB
  • Neighbour discovery
  • Link State operation
  • OSPF hierarchy/scaling

Workshop Items

  • Agenda (includes links to presentations and schedule)
  • Instructors: Dave Phelan (APNIC), Jethro Tambeana (Community Trainer)
  • ospf-20210216-online.txt
  • Last modified: 2021/06/17 14:32
  • (external edit)