Trellix NS Series - Troubleshooting the Sensor

4. Most deployment problems stem from conguration mismatches between the Sensor and the network devices to which it
is connected. Check your duplex and auto-negotiation settings on both devices to ensure they are synchronized.If you need
to contact Technical Support, go to https://supportm.trellix.com.
:
Troubleshooting the Sensor
This section lists some common installation problems, the possible causes, and the corresponding solutions.
Problem Possible Cause Solution
LED is o. The Sensor is turned o. Restore Sensor power.
The Sensor port cable is
disconnected.
Check the Sensor cable
connections.
Sensor is operational but is not
monitoring trac.
Network device cables have been
disconnected.
Check the cables and make sure
they are properly connected to
both the network devices and the
bypass switch.
The Sensor ports have not been
enabled in the Manager.
The Sensor will not monitor
trac 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.
Network or link problems Improper cabling or port
conguration
Make sure that the transmitting
and receiving cables are properly
connected to the bypass switch.
Runts or giants errors on switch
and routers
Improper cabling or port
conguration
Make sure that the transmitting
and receiving cables are properly
connected to the bypass switch.
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Trellix Intrusion Prevention System NS-series Sensor Product Guide
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