Diagnose a Suspected Hardware Problem with a Channelized OC12 or Channelized OC12 IQ Interface

Problem

To diagnose a suspected hardware problem with a Channelized OC12 or Channelized OC12 IQ interface, follow these steps:

Solution

• Create a Loopback
• Verify That the Interface Is Up
• Clear Interface Statistics
• Force the Link Layer to Stay Up
• Verify the Status of the Logical Interface
• Ping the Channelized Interface
• Check for Interface Error Statistics