This chapter covers the following subjects:
OSPF Review: This section reviews the OSPF concepts, configuration, and verification commands assumed as prerequisites, specifically those details included in the CCNA Exam’s coverage of OSPF.
OSPF Neighbors and Adjacencies on LANs: This section discusses a variety of features that impact when a router attempts to form OSPF neighbor relationships (neighborships), what must be true for those neighborships to work, and what might prevent those neighborships.
OSPF Neighbors and Adjacencies on WANs: This short section examines the typical usage of OSPF neighborships over various types of WAN technologies.
Open Shortest Path First (OSPF) requires only ...