Troubleshooting The Sensor - McAfee M-3050 Product Manual

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Troubleshooting the Sensor

This section lists some common installation problems, the possible causes, and the corresponding
solutions.
Problem
LED is off.
LED is off.
LED is off.
Sensor is operational
but is not monitoring
traffic.
Sensor is operational
but is not monitoring
traffic.
Network or link
problems.
Runts or giants errors
on switch and routers.
The system fault "Switch
absent" appears in the
Manager Status page.
McAfee Network Security Platform
®
Possible Cause
The control cable has been
disconnected.
The Sensor is powered off.
The Sensor port cable is
disconnected.
Network device cables have
been disconnected.
The Sensor ports have not
been enabled in the
Manager.
Improper cabling or port
configuration.
Improper cabling or port
configuration.
The control cable has been
disconnected.
Solution
Check the control cable and ensure it is
properly connected to both the Sensor and
the bypass switch.
Restore Sensor power.
Check the Sensor cable connections.
Check the cables and make sure they are
properly connected to both the network
devices and the bypass switch.
The Sensor will not monitor traffic on the
ports unless the ports are enabled in the
Manager. Ports are disabled in case of Sensor
failure; you must re-enable them for Sensor
monitoring to resume.
Make sure that the transmitting and receiving
cables are properly connected to the Bypass
Switch.
Make sure that the transmitting and receiving
cables are properly connected to the bypass
switch.
Check the control cable and make sure it is
properly connected to both the Sensor and
the bypass switch.
M-3050/M-4050 Sensor Product Guide 35