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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 12. Troubleshooting Routing

CCNA 200-101 ICND2 Exam Topics

Image Troubleshoot and resolve routing issues

Key Topics

Today’s focus is on troubleshooting routing in general. Part of the review covers normal routing behavior and operations. Knowing how a router should operate is key to recognizing and isolating routing issues. The review then covers the most beneficial commands to help you isolate a routing issue (with a particularly close look at the show ip route command).

Normal Routing Behavior

When you focus on the network layer logic, you can view any internetwork as a series of routing steps. The first step begins with a host creating and ...

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