McAfee M4050 Troubleshooting Guide - Page 58

Check the Condition Type, Layer2 Bypass mode. Intrusion

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McAfee® Network Security Platform 6.0 System Fault Messages Fault Sensor reports a signature set error Severity Critical Sensor switched to Critical Layer 2 mode Description/Cause Indicates that an error has occurred with a signature set that has been successfully applied on a Sensor. Action Re-import the signature set onto the Sensor. This can indicate a problem within the signature set itself that was not detected during download; if re-importing the same set does not solve the problem, providing a new signature set may clear the fault. If this does not solve the issue, reboot the Sensor. If the fault persists, contact Technical Support. The fault will clear when the signature set is successfully applied on the Sensor and continues to be error-free after application. The Sensor has moved from detection mode to Layer 2 (Passthru) mode. This indicates that the Sensor has experienced the specified number of errors within the specified timeframe and Layer 2 mode has triggered. The Sensor will remain in Layer 2 mode until it is rebooted. Sensor support license expired. Critical Sensor switched to Critical Layer 2 Bypass mode Sensor - McAfee NAC Server Communication Status Critical Sensor support license is expired, and may not detect attacks. To obtain a permanent license now, kindly contact Technical Support or your local reseller. Sensor is now operating in The Sensor has experienced Layer2 Bypass mode. Intrusion multiple errors, surpassing the detection/prevention is not functioning. configured Layer2 mode threshold. Check the Sensor's status. A Sensor sends this fault to Manager when it is not able to communicate with the McAfee NAC server to which it has been configured. Check the Condition Type field in the Fault Detail page to know the probable reason for this communication failure. 49

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McAfee® Network Security Platform 6.0
System Fault Messages
49
Fault
Severity
Description/Cause
Action
Sensor reports a
signature set error
Critical
Indicates that an error has
occurred with a signature set
that has been successfully
applied on a Sensor.
Re-import the signature set
onto the Sensor. This can
indicate a problem within the
signature set itself that was
not detected during download;
if re-importing the same set
does not solve the problem,
providing a new signature set
may clear the fault. If this does
not solve the issue, reboot the
Sensor. If the fault persists,
contact Technical Support.
The fault will clear when the
signature set is successfully
applied on the Sensor and
continues to be error-free after
application.
Sensor switched to
Layer 2 mode
Critical
The Sensor has moved from
detection mode to Layer 2
(Passthru) mode. This indicates
that the Sensor has experienced
the specified number of errors
within the specified timeframe
and Layer 2 mode has triggered.
The Sensor will remain in
Layer 2 mode until it is
rebooted.
Sensor support
license expired.
Critical
Sensor support license is
expired, and may not detect
attacks.
To obtain a permanent license
now, kindly contact Technical
Support or your local reseller.
Sensor switched to
Layer 2 Bypass
mode
Critical
Sensor is now operating in
Layer2 Bypass mode. Intrusion
detection/prevention is not
functioning.
The Sensor has experienced
multiple errors, surpassing the
configured Layer2 mode
threshold. Check the Sensor's
status.
Sensor - McAfee
NAC Server
Communication
Status
Critical
A Sensor sends this fault to
Manager when it is not able to
communicate with the McAfee
NAC server to which it has been
configured.
Check the Condition Type
field in the Fault Detail page to
know the probable reason for
this communication failure.