Chapter 11. OSPF

This chapter covers the following subjects:

OSPF Protocols and Operation: This section completes the discussion of link-state protocols begun in Chapter 10, “Routing Protocol Theory,” by describing the specifics of OSPF operation.

OSPF Configuration: This section examines how to configure OSPF in a single area and in multiple areas, OSPF authentication, and a few other small features.

Link-state routing protocols were originally developed mainly in the early to mid-1990s. The protocol designers assumed that link speeds, router CPUs, and router memory would continue to improve over time, so the protocols were designed to provide much more powerful features by taking advantage of these improvements. By sending more information ...

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