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Cisco CCNA Video Training:

Troubleshooting The Line Protocol

By Chris Bryant, CCIE #12933

During your CCENT and CCNA studies, you're introduced to something called the "line protocol", which reflects the logical state of the interface.

The good news? The line protocol's either up or down.

The bad news? There are quite a few different reasons the line protocol can be down!

In this Cisco training video, I'll show you how the line protocol should look, and how to troubleshoot a line protocol that doesn't look as it should!

My YouTube Cisco Certification Training Video Channel brings you over 125 additional videos - be sure to visit and subscribe today to make sure you don't miss a single video!

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