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31 Days Before Your CCENT Certification Exam: A Day-By-Day Review Guide for the ICND1 (100-101) Certification Exam, Second Edition by Allan Johnson

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Day 15. Single-Area OSPFv2

CCENT 100-101 ICND1 Exam Topics

Image Configure and verify OSPF (single-area).

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

The Internet Engineering Task Force (IETF) chose OSPF over Intermediate System–to–Intermediate System (IS-IS) as its recommended interior gateway protocol (IGP). In 1998, ...

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