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FAQ and Troubleshooting Guide for the CiscoWorks Wireless LAN Solution Engine
OL-8376-01
Chapter 2 Fault Descriptions
IDS (Intrusion Detection System) Faults
Bad MIC while MFP
enabled
This fault is raised against the AP
that is observed generating the
violation.
Not applicable. Investigate the possibility that a
rogue AP is conducting a spoofing
attack against the managed network.
Also, make sure that an MFP
configuration error (see MFP
Configuration error (Detect disabled;
should be enabled), page 2-19) is not
the root cause of the MFP Validation
error. It is also possible that
communications problems between
the WDS and its registered APs have
prevented MFP key rotation
messages from reaching either the
detector or generator AP.
Bad Sequence Number
while MFP enabled
This fault is raised against the AP
that is observed generating the
violation.
Not applicable. See Bad MIC while MFP enabled,
page 2-16).
CCMP
DecryptErrorsClient is
detected
The fault threshold has been
exceeded for the number of
decryption errors detected by the
CCMP play mechanism on the
interface.
IDS > Manage IDS
Settings >
CcmpDecryptErrorsC
lient
Verify that the fault threshold is set
correctly.
If the threshold is set correctly,
review your network to determine the
action necessary to clear the fault
condition.
CCMP Replay Client is
detected
The fault threshold set has been
exceeded.
When this fault is cleared, the
following message displays:
There is no CCMP Replay
detected
IDS >
Manage IDS Settings
> General Settings >
CcmpReplaysClient
Verify that the fault threshold is set
correctly.
If the threshold is set correctly,
review your network to determine the
action necessary to clear the fault
condition.
Client association rate is
Degraded number per
minute
The fault thresholds been
exceeded.
When this fault is cleared, the
following message displays:
Client association rate is OK.
IDS >
Manage IDS Settings
> IDS-802.11x >
Authentication Error
Rate
Verify that the fault threshold is set
correctly.
If the threshold is set correctly,
review your network to determine the
action necessary to clear the fault
condition
Table 2-3 IDS Faults (continued)
Fault Description Explanation Related Setting Recommended Action