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Output of commad dot11 dot11radio 0 linktest.

Hi, I have one link PtP with two AIR-BR1310 with thc code version 12.4(21a)JY.

There are no problems, but I have these results of linktests:


POOR (30 % retries)  Time   Strength(dBm)   SNR      SNR          Retries
                     msec      In     Out    In      Out         In   Out
      Sent :1000, Avg   3    - 59    - 61    34       19   Tot: 168   432
Lost to Tgt:   0, Max 171    - 55    - 53   152      152   Max:   5    20
Lost to Src:   0, Min   1    - 92    - 92     6       10

Rates (Src/Tgt)     1Mb 3/0  2Mb 8/0  5.5Mb 13/0  6Mb 21/0  9Mb 953/0  11Mb 2/1  18Mb 0/5  24Mb 0/10  36Mb 0/939  48Mb 0/4  mcs0 0/41
FGF-REO-ROOT-A#dot11 dot11Radio 0 linktest count 1000
Start linktest to 001e.be8d.06f0, 1000 512 byte packets
FGF-REO-ROOT-A#sh dot11 linktest

POOR (56 % retries)  Time   Strength(dBm)   SNR      SNR          Retries
                     msec      In     Out    In      Out         In   Out
      Sent :1000, Avg   3    - 58    - 59    32       16   Tot: 186   940
Lost to Tgt:   0, Max 116    - 55    - 53   152      252   Max:   6    22
Lost to Src:   0, Min   1    - 92    - 92    20       10

Rates (Src/Tgt)     1Mb 10/0  2Mb 12/0  5.5Mb 32/0  6Mb 63/0  9Mb 882/0  11Mb 1/0  24Mb 0/1  36Mb 0/27  48Mb 0/948  54Mb 0/5  mcs0 0/19
FGF-REO-ROOT-A#dot11 dot11Radio 0 linktest count 1000
Start linktest to 001e.be8d.06f0, 1000 512 byte packets
FGF-REO-ROOT-A#sh dot11 linktest

POOR (52 % retries)  Time   Strength(dBm)   SNR      SNR          Retries
                     msec      In     Out    In      Out         In   Out
      Sent :1000, Avg   3    - 59    - 60    33       18   Tot: 266   791
Lost to Tgt:   0, Max 409    - 55    - 54   152      152   Max:   6    16
Lost to Src:   0, Min   1    - 92    - 92    10        8

Rates (Src/Tgt)     1Mb 7/0  2Mb 13/0  5.5Mb 24/0  6Mb 57/0  9Mb 899/0  24Mb 0/1  36Mb 0/7  48Mb 0/18  54Mb 0/941  mcs0 0/33

I don't undestand these things:

- Rates (Src/Tgt)     1Mb 7/0  2Mb 13/0  5.5Mb 24/0  6Mb 57/0  9Mb 899/0  24Mb 0/1  36Mb 0/7  48Mb 0/18  54Mb 0/941  mcs0 0/33

899 packets were sent at 9M of datarate from this bridge and 0 packets didn't were received at this datarate?

941 packets were received at 54Mb and never were sent at this datarate?

MCS0 0/33 ??? This bridge is not .n compliant...?!?!

- POOR (56 % retries)  Time   Strength(dBm)   SNR      SNR          Retries
                     msec      In     Out    In      Out         In   Out
      Sent :1000, Avg   3    - 58    - 59    32      16   Tot: 186   940
Lost to Tgt:   0, Max 116    - 55    - 53   152      252   Max:   6    22
Lost to Src:   0, Min   1    - 92    - 92    20       10

The signal strenght is not regular, input is the signal received (I think), the Out value??

SNR with the value of 152... 252... are a normal values??

I think that the result of linktest is not very clean for me.

Someone can help me.

Regards.

Mirko Severi.

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