Co-Existing connectivity with Built-in Ethernet and WiFi issue with Big Sur

Has Apple acknowledged that they've an issue with Big Sur allowing both built-in ethernet and built-in wifi to operate at the same time? Ever since upgrading to Big Sur from Catalina, the built-in network connectivity of Ethernet and WiFi will NOT coexist for any long length of time, usually less that an hour on a restart, maybe 16 hours on a SMC reset reboot. This is very tiresome as I can't unlock with my Apple Watch or use Airdrop within WiFi connectivity to my late 2014 Mac mini.

Posted on May 10, 2021 10:49 AM

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KingBowler Author

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25 points

Posted on May 13, 2021 3:07 PM

Well, Big Sur 11.3.1 doesn't appear to have fixed it, I did! I had some Energy Saver features turned on for my Mac mini for some reason and I unchecked them all and restarted. That was 48 hours, 16 minutes ago and is the longest that WiFi has held while Ethernet is also active. Yeah me!! For the laptop folks, I think you all are probably going to need to scream louder to be heard.

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Co-Existing connectivity with Built-in Ethernet and WiFi issue with Big Sur

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