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Had some Wireless Issues and this is how I resolved it

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OK, I had some wireless issues, recently, and I strangely managed to get around it.

The problem seemed to stem from having spaces in the names of networks in Network Manager.

Background:

I have both 2.4Ghz and 5Ghz Access Points at home, additionally I have a set up for my Smartphone to act as a Wireless AP (on one 4G telco provider), and I also have a Mifi battery run router (on another 4G telco provider).

I had originally set these up with names "Home Wireless" "Home Wireless (slow)", "Phone Wireless" and "Mobile Wireless" - so each network name having spaces, and some having the same name up until the first space.

What I found was that I was then getting the following in my syslog when trying to associate with the AP:
Feb 16 11:40:22 indi NetworkManager[390]: <info>  [1581853222.2220] device (wlan0): supplicant interface state: disconnected -> scanning
Feb 16 11:40:24 indi wpa_supplicant[379]: wlan0: CTRL-EVENT-SSID-REENABLED id=0 ssid="redacted"
Feb 16 11:40:24 indi wpa_supplicant[379]: wlan0: Trying to associate with SSID 'redacted'
Feb 16 11:40:24 indi NetworkManager[390]: <info>  [1581853224.6542] device (wlan0): supplicant interface state: scanning -> associating
Feb 16 11:40:27 indi wpa_supplicant[379]: wlan0: CTRL-EVENT-ASSOC-REJECT bssid=00:00:00:00:00:00 status_code=16
Feb 16 11:40:27 indi wpa_supplicant[379]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="redacted" auth_failures=2 duration=20 reason=CONN_FAILED


It was only by linking the fact to I having created the extra networks where I used spaces and the same prefix that I thought to remove the spaces from the network names (The SSIDs remain the same, and also have spaces in them), like so:



I've not had any issues since. So perhaps something to bear in mind.

I'm guessing that there is a bug in NetworkManager code that doesn't account for spaces in the network name, so it might be something for others to consider avoiding to use (I also renamed the AstroBerry Hotspot to AstroberryHotspot BTW).
4 years 1 month ago #49574
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