CHAPTER
12
OSPF Routing
In this chapter, you will
• Learn the basics about the Open Shortest Path First protocol
• Learn how OSPF operates
• Learn how to configure OSPF
• Learn about troubleshooting OSPF
The Open Shortest Path First (OSPF) protocol is a link state protocol that handles routing for IP traffic. OSPF version 2, which is described in RFC 2328, is an open standard, as are versions 1 and 2 of the Routing Information Protocol (RIP), which is also a routing protocol. Chapter 11 offered a brief introduction to link state protocols. As you will see in this chapter, OSPF draws heavily on the concepts described in Chapter 11, but OSPF also has some unique features, which are described here. In addition to covering the characteristics ...
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