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