This section lists some common installation problems and their solutions.
Problem | Possible Cause | Solution |
|---|---|---|
Network or link problems | Improper cabling or port configuration | Ensure that the transmit and receive cables are properly connected to the Fail-Open module. |
The sensor is operational but is not monitoring traffic. | Network device cables have been disconnected. The Sensor ports have not been enabled in the Sensor. | Check the cables and ensure that they are properly connected to both the network devices and the Fail-Open module. Ports are disabled on a Sensor failure; they must be re-enabled in the Manager for the Sensor monitoring to resume. |
Runts or giants errors on switches and routers | Improper cabling or port configuration | Ensure that the transmit and receive cables are properly connected to the Fail-Open module. |
The system fault “Switch absent” appears on the System Faults page of the Manager. | Improper cabling | Ensure that the transmit and receive cables are properly connected to the Fail-Open module. |