2021 MacBook Pro vs 2020 MacBook Pro: Which Should You Buy?.By doing so, you can plug in your different accessories directly into the monitor, freeing up desk space while still being able to use all of your necessary peripherals. You'll probably need to run both of these with sudo.One of the best things about Apple’s decision to move to USB-C / Thunderbolt for connectivity is that it has made it possible to use your monitor as a USB-C hub. If you run these two commands from a terminal, what do you get? But if you aren't, maybe try upgrading the OS. So if you're already on 12.4 or 13 then this probably isn't the issue and you can ignore this entire post. However, it's possible your normal configuration is right at the threshold, and adding an additional network interface is going over it.Īpple increased this internal limit with 12.4 and then doubled it again with 13.

The MBA only has two so it doesn't seem super likely. Every individual thunderbolt port, for one, which is why this typically affects Mac Studios with 4 or 6 TB ports. There are a lot of things on a Mac that are treated as network interfaces. If there are more network interfaces in the system than the limit, and you have a program that tries to bind to all of them, network functionality has a tendency to die. It turns out that there is a limit in MacOS to the number of network interfaces a program can bind to. My day job is working with a piece of security software that includes a firewall, but this behavior could also be seen if you had a VPN installed.

So this is kind of way off in left field, especially on a MacBook Air.

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