Troubleshooting
For both types of tests, normal operation is indicated when generated packets are received back (after looping) without errors. For remote loopback tests, the ATX creates LLC Type 1 test packets for LANs and PPP
Both types of loopback tests can be initiated by the NMS, and test results are reported to the NMS.
5.2.2Diagnostic Results
The ATX diagnostic results are indicated in two ways: by observing the front panel LEDs (which are explained later in this chapter) or by reading NMS trap messages. Both
5.3 TROUBLESHOOTING
5.3.1If the Module Fails to Power Up
If the Token Ring module fails to power up when the ATX is on and functioning properly:
1.Check the status of ports using LCM.
2.Reset the Token Ring module and observe the
Token Ring Switch Module User Guide | Page |