Category Archives: Routing Protocols

OSPF Neighbor Relationships

In this post, we will discuss the components involved with OSPF Neighbor Relationships.  This is not a configuration guide but should be used as a reference for various OSPF states and concepts that the OSPF protocol goes through to establish connections to its neighbors. Determine your own Router ID.  The router ID identifies the router… Read More »

OSPF Area Design and Terms

Here are some core concepts that go into understanding OSPF.  This is the number one IGRP in the world so it worth taking time to understand a few of these fundamental principles. The three tables used are the Neighbor table, the Topology table, and the Routing table. All routers must connect to Area 0.  Routers… Read More »