XU4 won't connect to AP, but will connect to other

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bthomason
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XU4 won't connect to AP, but will connect to other

Unread post by bthomason » Tue Dec 03, 2019 1:32 am

I have about 30+ XU4's running Ubuntu MATE with Wifi 3 adapters that refuse to connect to our AP's. I had a spare AP in the area and tried to connect to it, success. The unsuccessful AP's are Mikrotik Metals running basic config just to get wireless up and running. 2.4 GHz, G Only (I tried a/b/n no luck), WPA2 and WPA (w/ aes-ccm), locked to channel 1 (2412) at 20MHz, All data rates are open up to 54 Mbps. I'm really at a loss here unless there is something within the MATE OS I'm unaware of. I can connect other devices to the Mikrotik's no problem and the Odroids will connect to other AP's with no issues. My other AP is Ubiquiti and the configs are similar, if not identical except for PSK and SSID.

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odroid
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Re: XU4 won't connect to AP, but will connect to other

Unread post by odroid » Tue Dec 03, 2019 9:51 am

Which Ubuntu and Kernel version do you use?
Are you running the latest Ubuntu 18.04.3 image with Kernel 4.14.141(or higher)?
Can you check the channel number/frequency settings in the problematic AP?

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