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31 Days Before Your CCNA Routing and Switching Exam: A Day-By-Day Review Guide for the ICND2 (200-101) Certification Exam, Third Edition by Allan Johnson

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Day 11. Troubleshooting OSPF

CCNA 200-101 ICND2 Exam Topics

Image Troubleshoot and resolve OSPF problems

Key Topics

Today, the review focuses specifically on troubleshooting Open Shortest Path First (OSPF) Protocol implementations. You first review some crucial OSPF operational considerations. Then you learn a systematic method for OSPF show commands to isolate issues.

OSPF Operational Considerations

Understanding how OSPF operates is fundamental to troubleshooting any OSPF issues. Key to this understanding is the concept of the states OSPF transitions through on its way to adjacency with a neighbor.

OSPF States

Figure 11-1 lists the OSPF states. ...

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