Diagnose a Suspected Hardware Problem with a SONET Interface

Problem

When you suspect a hardware problem, take the following steps to verify if there is a problem.

Solution

To diagnose a suspected hardware problem with the SONET interface, follow these steps:

• Create a Loopback
• Set Clocking to Internal
• Verify That the SONET Interface Is Up
• Clear SONET Interface Statistics
• Check That the Received and Transmitted Path Trace Are the Same
• Force the Link Layer to Stay Up
• Verify the Status of the Logical Interface
• Ping the SONET Interface
• Check for SONET Interface Error Statistics