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Diagnose a Suspected Hardware Problem with a T3 Interface
Problem
When you suspect a hardware problem, take the following steps to help verify if there is a hardware problem.
Solution
To diagnose a suspected hardware problem with a T3 interface, follow these steps:
- Create a Loopback
- Set Clocking to Internal
- Verify That the T3 Interface Is Up
- Clear T3 Interface Statistics
- Force the Link Layer To Stay Up
- Verify the Status of the Logical Interface
- Ping the T3 Interface
- Check for T3 Interface Error Statistics
