Network Instruments Observer User Manual Addendum page 20

Observer® Software and Wireless LANs
The tracked Wireless Events are described below.
Event
Station 1->
<-Station 2
Status
Packets->
<-Packets
Associations->
<-Associations
CRC/PLCP Errors-
>
<-CRC/PLCP
Errors
WEP Decode
Errors->
<-WEP Decode
Errors
Note also that the Expert Summary now displays wireless events.
16
Observer User Manual Addendum (Wireless)
Description
Shows the wireless station sending and the wireless
station receiving. Where possible, the client is listed first and server
second.
Displays a colored box indicating the status of the conversation.
Red indicates a critical event has occurred.
Yellow indicates a marginal event has occurred.
Green indicates that the conversation's communication is within
acceptable event parameters.
A red or yellow status will display when any expert event for the pair
occurs. You can customize the criticality thresholds by clicking the
Expert Thresholds icon to the left of the Expert Analysis win-
dow.
Displays the number of packets in each direction of the pair's commu-
nication.
The number of association attempts from the sending and receiving
stations.
The number of cyclical redundancy check/physical layer convergence
errors reported on the sending and receiving stations.
The number of Wireless Equivalency Privacy encryption/decryption
errors reported on the sending and receiving stations.