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9 - 4 Aironet 340 Series Bridge<br />

n Errors: Displays the number of errors that may have occurred.<br />

n Enter space to redisplay, C[lear stats], q[quit]: To redisplay<br />

statistics, enter a space by pressing the space bar. To clear the statistics,<br />

press “C” (case sensitive). To exit the Statistics Menu, press<br />

“q”.<br />

Radio Error Statistics (Radio)<br />

The Radio Error Statistics Display provi<strong>de</strong>s a <strong>de</strong>tailed summary of the<br />

radio receiver and transmitter errors that have occurred on the unit.<br />

To access this display, select Statistics from the Main Menu then select<br />

Radio from the Statistics Menu.<br />

RADIO ERROR STATISTICS<br />

Cleared 19:23:22 ago<br />

Receive Transmit<br />

-------------------------------------- ------------------------------------<br />

Buffer full frames lost 0 Retries 45<br />

Duplicate frames 0 Max retries / frame 7 +7<br />

CRC errors 0 Excessive retries 0<br />

Queue full discards 0<br />

Enter space to redisplay, C[lear stats], q[uit]:<br />

n Buffer Full Frames Lost: Number of frames lost due to a lack of<br />

buffer space in the unit.<br />

n Duplicate Frames: Number of frames that were received more than<br />

once. This is usually due to a frame acknowledgment being lost.<br />

n CRC Errors: Number of frames received with an invalid CRC. Usually<br />

caused by interference from nearby radio traffic. Occasional<br />

CRC errors can also occur due to random noise when the receiver is<br />

idle.<br />

n Retries: A cumulative count of the number of times a frame had to<br />

be retransmitted due to an acknowledgment not being received.<br />

n Max Retries / Frame: The maximum number of times any one<br />

frame had to be retransmitted. Excessive retries may indicate a poor<br />

quality radio link.<br />

n Queue Full Discards: Number of times a packet was not transmitted<br />

due to too many retries occurring to the same <strong>de</strong>stination. Discards<br />

will only occur if packets <strong>de</strong>stined to this address are taking up<br />

more than their share of transmit buffers.

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