Cisco Cisco Aironet 340 Ethernet Bridges 사용자 가이드
9 - 4 Aironet 340 Series Bridge
n Errors: Displays the number of errors that may have occurred.
n Enter space to redisplay, C[lear stats], q[quit]: To redisplay
statistics, enter a space by pressing the space bar. To clear the statis-
tics, press “C” (case sensitive). To exit the Statistics Menu, press
“q”.
tics, press “C” (case sensitive). To exit the Statistics Menu, press
“q”.
Radio Error Statistics (Radio)
The Radio Error Statistics Display provides a detailed summary of the
radio receiver and transmitter errors that have occurred on the unit.
radio receiver and transmitter errors that have occurred on the unit.
To access this display, select Statistics from the Main Menu then select
Radio from the Statistics Menu.
Radio from the Statistics Menu.
n Buffer Full Frames Lost: Number of frames lost due to a lack of
buffer space in the unit.
n Duplicate Frames: Number of frames that were received more than
once. This is usually due to a frame acknowledgment being lost.
n CRC Errors:
Number of frames received with an invalid CRC. Usu-
ally caused by interference from nearby radio traffic. Occasional
CRC errors can also occur due to random noise when the receiver is
idle.
CRC errors can also occur due to random noise when the receiver is
idle.
n Retries: A cumulative count of the number of times a frame had to
be retransmitted due to an acknowledgment not being received.
n Max Retries / Frame: The maximum number of times any one
frame had to be retransmitted. Excessive retries may indicate a poor
quality radio link.
quality radio link.
n Queue Full Discards: Number of times a packet was not transmitted
due to too many retries occurring to the same destination. Discards
will only occur if packets destined to this address are taking up
more than their share of transmit buffers.
will only occur if packets destined to this address are taking up
more than their share of transmit buffers.
RADIO ERROR STATISTICS
Cleared 19:23:22 ago
Receive Transmit
-------------------------------------- ------------------------------------
Buffer full frames lost 0 Retries 45
Duplicate frames 0 Max retries / frame 7 +7
CRC errors 0 Excessive retries 0
Queue full discards 0
Enter space to redisplay, C[lear stats], q[uit]: