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TestCenter - AP reported "Max rate" is 36Mbps (20Mhz 'n' mode), while PC client shows 300Mbps

Hi,

I'm running the Spirent TestCenter 5.07.8866.0000 on the C50 chassis with 802.11ax port.

My AP is running in 'n' mode 2x2 and in the AP Scan view I see it reports a low rate of 36Mbps (72Mbps on 40MHz). On Throughput test I can reach higher rates but still performance is poor with high rate of packet loss. I'm connected with cables to the AP.

I have set WMM enabled on the AP, but I'm not sure this is synced with the C50 (where can I verify ?), as this might explain the drop to basic rates - not sure.

Did some iPerf runs with a strong client (PCE-AC88) in open air and managed to reach 120Mb TCP traffic without a problem.

What can be the reason to such a behavior ?

Your help is greatly appreciated.

Cheers.

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