Course Description

In the OSPF virtual link lesson, I explained how to configure a virtual link, but I didn't show how to enable virtual link authentication. That's what we are going to cover in this lesson. There are two authentication methods: Plain text MD5 I'll show you both options. Configuration Here is the topo

OSPF (Open Shortest Path First) is a popular link-state routing protocol. Routers will exchange pieces of information called LSAs (link state advertisement) in order to build a complete topology database which we call the LSDB (link state database). These lessons will teach you everything, we start with the basics and work our way through the most advanced OSPF topics.

Course Highlights

In this course you will learn:

  • The basics of link-state routing protocols and OSPF.
  • How to enable authentication for OSPF.
  • What the different OSPF LSA types are used for.
  • How OSPF uses different network types.
  • What the different OSPF stub areas are and how they work.
  • How to filter OSPF prefixes.
  • And many other topics…

Presented to you by instructor Rene Molenaar, CCIE #41726


OSPF knowledge is not required but being familiar with the basics of routing is recommended.

Course Schedule