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31 Days Before Your CCNA Exam: A Day-by-Day Review Guide for the CCNA 640-802 Exam, Second Edition by Allan Johnson

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Day 12 OSPF Routing

CCNA 640-802 Exam Topics

image  Configure, verify, and troubleshoot OSPF.

Key Topics

Open Shortest Path First (OSPF) is a link-state routing protocol that was developed as a replacement for Routing Information Protocol (RIP). OSPF’s major advantages over RIP are its fast convergence and its scalability to much larger network implementations. Today we review the operation, configuration, verification, and troubleshooting of basic OSPF.

OSPF Operation

IETF chose OSPF over Intermediate System-to-Intermediate System (IS-IS) as its recommended Interior Gateway Protocol (IGP). In 1998, the OSPFv2 specification was updated in RFC 2328 ...

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