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ax200 very poor performance in stock 5.7.0 and 53.c3 firmware.

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I'm testing an un-modified kernel for a change, and latest firmware that I could find,
but ax200 is still sucking.

UDP upload of single ax200 station gets about 1Mbps, and station disconnects
very often.  TCP download gets about 400Mbps on each of two radios.  UDP download stalls
often and averages around 1Mbps throughput.  TCP upload also stalls out.

Previous testing on other kernels has shown problems with other firmware as well.

I'm requesting 500Mbps UDP speeds.    Requesting only 100Mbps does not help (tested with DL direction only).

[root@ct523c-0b29 ~]# ethtool -i wlan2
driver: iwlwifi
version: 5.7.0
firmware-version: 53.c31ac674.0 cc-a0-53.ucode
expansion-rom-version:
bus-info: 0000:12:00.0
supports-statistics: yes
supports-test: no
supports-eeprom-access: no
supports-register-dump: no
supports-priv-flags: no


Is there any way to disable OFDMA or /ax on the ax200 in case that helps somehow?

Thanks,
Ben

--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com



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