Follow these steps to make sure that your setup is working as designed.
Check the icons in the Manager beside the ports you have configured as in-line fail-open passive.
They must show Up.
Check the power LED on the fail-open switch.
LED status
Description
ON
The switch is not in fail-open mode and the Sensor monitoring ports are operating normally.
OFF
The switch is in fail-open mode and the Sensor monitoring ports are not monitoring traffic.
Check the port status and operating mode status of the Gigabit inline fail-open mode.
In-line Fail-Open Port Status
Port color on
the Sensor
Operating Mode Status
In-line Fail-Open - Passive (Paired with a/b)
Green
The in-line fail-open device is in in-line fail-open mode.
Bypassing
Yellow
The in-line fail-open device is in in-line bypass mode. The bypass switch has been activated. The Sensor does not monitor during this time.
Switch Absent
Red
Fail-open control is not present, control cable is not present, or bypass switch is not present. Verify that all three components are connected properly. If everything is connected correctly, check the Operational Status.
N/A
Gray
Not Applicable; the operating mode is not in in-line fail-open mode.