Having both Ethernet and Wi-Fi active at the same time doesn’t cause any problems for the Mac. With both connnections active, I have a backup scenario, where the laptop will use the Ethernet connection first, but fall back onto the home Wi-Fi if the Ethernet connection goes down for any reason. Here at Collins Towers, for example, I have a dedicated broadband line running into my home office, which I connect to via Ethernet from my laptop, and a second Wi-Fi router for the home.
Having both running is also handy in houses with multiple broadband connections. If you wanted to stream something to or from your Mac, you would need the Wi-Fi switched on.
Given that we’ve just established that Ethernet is guranteed to be faster than Wi-Fi, why would you choose to have Wi-Fi on at all? There are good reasons.įor starters, services such as Apple’s AirPlay require a Wi-Fi connection. Why would you want both Ethernet and Wi-Fi switched on? But can you have Ethernet and Wi-Fi switched on at the same time? Will it cause any problems? And how does the Mac decide which one to use? Let us explain all. If your computer is in the same room as your router, it normally makes sense to connect via wired Ethernet to get the fastest possible connection.
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