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Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide by Wendell Odom

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Troubleshooting Example 2: Predicting LAN Data Plane Behavior

This second example takes a much different approach than the first. Instead of starting with many problems, this example has a completely working LAN. Your job is to analyze the LAN to predict where the data plane will forward frames.

This example actually uses the same LAN as the previous example, but this time, all the errors have been fixed. In this case, the LAN works, and the example focuses on using show commands to predict exactly where frames flow in the LAN. In particular, this example focuses on two messages:

Image PC1 sends an ARP Request for Router R1 as a broadcast frame.

R1 ...

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