Chapter 6. Open Shortest Path First—Better, Stronger, Faster
What You Will Learn
After reading this chapter, you should be able to
Understand the concepts, terminology, and operation of Open Shortest Path First (OSPF)
Understand the basics of configuring OSPF on Cisco routers
OSPF is a hierarchical link-state interior IP routing protocol designed to overcome the limitations of the distance vector routing protocols. Open means that OSPF is a standards-based protocol defined in an RFC. Hierarchical means that an OSPF network can be divided into multiple areas. The distance vector protocols, RIP and IGRP, are single-area routing protocols. A single area means all routes in an area are advertised to all routers in the same area. Because there is only ...
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