Once a frame relay line has been properly provisioned by the provider, the installation of a frame relay network using Cisco routers is usually a trouble-free task involving minimal configuration. However, if problems arise in the frame relay network, proven techniques can be applied to isolate and solve them. Troubleshooting a frame relay network problem can be broken down into four easy steps.
Cisco routers offer extensive diagnostic tools to assist in the below tasks.
The show interface command can be used to determine the status of the physical connection. An interface can be in one of three possible states - up, down, or administratively down. The table below outlines the possible states and offers some suggested actions to correct physical connection problems. Proceed to step 2 . This indicates that the interface is in shutdown mode.