Air interface utilization query: display ar5drv [1|2] statistics
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Problem Description
display
ar5drv [1|2]
statistics
[H3C]Probe
[H3C-hidecmd]display ar5drv 1 statistics
Radio statistics:
Transmit statistics
TxFrameAllCnt : 3749
TxFrameAllBytes : 380008
Queue Number : 0 1 2 3 EmergencyQ
---------------------------------------------------------------------------------
TxFrameCnt : 2175 332 0 0 6
TxUcastFrameCnt : 2175 0 0 0 6
TxBcastFrameCnt : 0 332 0 0 0
TxFrameBytes : 221850 31834 0 0 252
TxUcastFrameB : 221850 0 0 0 252
TxBcastFrameB : 0 31834 0 0 0
TxRetryCnt : 5708 0 0 0 0
TxMultiRetryCnt : 1473 0 0 0 0
TxFragCnt : 0 0 0 0 0
TxDiscardFrame : 1236 0 0 0 0
BadMbuf : 0 0 0 0 0
BadMbufB : 0 0 0 0 0
NotEnoughResource : 0 0 0 0 0
NotEnoughResourceB: 0 0 0 0 0
BufferFailure : 0 0 0 0 0
BufferFailureB : 0 0 0 0 0
HwRetryExcesive : 1236 0 0 0 0
HwRetryExcesiveB : 126072 0 0 0 0
Solution
The display ar5drv [1|2] statistics command mainly provides 4 AC queues, emergency queues sending statistics, receiving queue statistics, and phy error statistics:
(1) Each Radio has 4 normal sending queues and 1 emergency sending queue, and usually data messages go to queue 1. Usually the main focus is on queue 1.
(2) TxDiscardFrame represents the total number of packets discarded by this queue, including the packets that failed to be sent and the queue overflowed.
(3) NotEnoughResource represents packets with queue overflow.
(4) TxDiscardFrame/TxUcastFrameCnt represents the packet loss rate. If it exceeds 3%, be wary.
(5) RadioResetOnErr means that the Radio chip is reset, which will cause packet loss. This error should not occur under normal circumstances.