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FAQ and Troubleshooting Guide for the CiscoWorks Wireless LAN Solution Engine
OL-8376-01
Chapter 2 Fault Descriptions
Radio Interface Faults
Retry Count rate is
Degraded number per
minute
The retry count rate alarm
indicates if the wireless medium is
congested. The alarm will be raised
if the MSDU retransmission rate
per minute is greater than the
specified threshold. For example,
if the overloaded state is set to
greater than 90, a fault will be
raised for an interface that has
more than 90 MSDUs that required
retransmission in a minute.
When the fault is cleared, the
following message displays: Retry
Count rate is OK.
Manage Fault
Settings >
Radio-802.11x
Thresholds > Max
Retry Count
Verify the threshold settings. There
could be too many clients or access
points located near the radio
interface for which fault is raised.
Clear the alarm and increase the
threshold, or reduce the polling time.
Retry Count rate is
Overloaded number per
minute
RF bandwidth
utilization is Degraded
(utilization %)
The fault threshold set for the
degraded state has been exceeded.
When the fault is cleared, the
following message displays: RF
bandwidth utilization is OK
Manage Fault
Settings >
Radio-802.11x
Thresholds > RF Port
Utilization
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.
RF bandwidth
utilization is
Overloaded
(utilization %)
The fault threshold set for the
overloaded state has been
exceeded.
When the fault is cleared, the
following message displays: RF
bandwidth utilization is OK
Serving and
non-serving channel
Radio Monitoring must
be enabled
For Self Healing to work, all radios
on the floor must be configured
with Radio Monitoring. The fault
will indicate which radios need to
be configured with both serving
and non serving radio monitoring.
When the fault is cleared, the
following message displays:
Qualifies for Self Healing
Monitoring.
Not applicable. Enable Radio Monitoring for both
serving and non-serving channels.
Or, use the Location Manager tool,
Verify RM Capability.
Table 2-2 Radio Interface Faults (continued)
Fault Description Explanation Related Setting Recommended Action