Diagnose a Suspected Circuit Problem

Problem

When you suspect a circuit problem, it is important to work with the transport-layer engineer to resolve the problem. The transport-layer engineer may ask you to create a loop from the router to the network, or the engineer may create a loop to the router from various points in the network.

Solution

To diagnose a suspected circuit problem, follow these steps:

• Create a Loop from the Router to the Network
• Create a Loop to the Router from Various Points in the Network