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This is an OSPF troubleshooting video.

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In this lab, we've been told that right at one on the left, Conte ping the loopback of router four.

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Rather for has a loopback interface of 4.4.4.4 and rather one is not able to ping that loopback.

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Can you resolve this network issue?

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Can you find the problem?

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Correct it and then test that the network works properly.

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You should ensure that all devices can ping each other.

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Download the attached packet, trace a file and see if you can do this yourself or watch the next video

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and watch me resolve this issue.