System information

158 The Statistics Menu
• “Averaging period (sec)” spinbox—Specify how long to collect packets for
calculating the average.
• “Use current filter profile”—When checked, causes Observer to only look at
traffic that falls within the current filter profile when calculating the trigger
values.
Wireless Frame Errors by Station
This dialog lets you set up a trigger for Wireless Frame Errors by Station:
• “Hardware address” spinbox—Specify a hardware address. Until you specify a
hardware address, the trigger is not activated.
• “Percentage of error packets” spinbox—Set the percentage of errors that will
trigger an alarm.
• “Min number of packets (trigger level)” spinbox—Set the minimum number of
error packets that will trigger an alarm.
• “Averaging period (sec)” spinbox—Choose how long to collect packets for
calculating the average.
• “Error Type” radio buttons—Choose CRC (Cyclical Redundancy Check), WEP
(Wireless Equivalency Privacy), or PLCP (Physical Layer Convergence
Protocol).
• “Use current filter profile”—When checked, causes Observer to only look at
traffic that falls within the current filter profile when calculating the trigger
values.
WIreless Unknown Access Points
This dialog lets you set up a trigger for unknown access points: