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Chapter 7
Troubleshooting Serial Line and Frame Relay Connectivity
Key Terms
Before you take the exam, be certain you are familiar with the following terms:
Data-Link Connection Identifier (DLCI)
Local Management Interface
loopback tests
Command
Description
show frame-relay pvc
Contains the LMI status of every
DLCI on the router, or you may be
more specific and check only
certain PVCs.
show interface serial
The show interface command
executed on a serial interface.
Provides important information
regarding serial interfaces,
including IP, encapsulation, and
line statistics.
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