33
votes
Accepted
Should I use a Thunderbolt adapter or a USB 3.0 adapter for ethernet?
SHORT ANSWER
The answer to your question as asked in the title is it really depends on what ports you have available, personal preference, cost, etc.
I say this because both USB 3.0 and Thunderbolt ...
- 63.4k
25
votes
How to get Mac to give Ethernet connection priority?
According to Apple Support:
Choose Apple menu > System Preferences, then click Network.
Click the Action pop-up menu , then choose Set Service Order.
Drag a service, such as Ethernet, to the top of ...
- 2,105
25
votes
Accepted
How does a Mac choose between Wi-Fi and Ethernet to work with?
It's possible to set network access interface priority order. Go to System Preferences → Network, click on the lock icon to unlock the preference pane. Now click on the gear icon shown towards the ...
- 49k
22
votes
Accepted
macOS artificially restricts speeds to 100 Mbps over Ethernet
MacOS does not come with such a restriction. There's no built-in feature that limits transfer speeds to 118 Mpbs (or similar value) after while.
You can build such a feature yourself using the ...
- 72.3k
20
votes
How can I get the list of all active network interfaces programmatically?
There may be several different ways to accomplish what you're asking, however, I'll just throw this out there.
I have a MacBook Pro that doesn't have a built-in Ethernet Port so in my examples I'll ...
- 55.9k
19
votes
Connecting multiple screens to the 2016 MacBook Pro with Touch Bar
We have a brand new Late 2016 Macbook Pro and 2 Apple/LG 21.5 USB-C 4K monitors. Daisy-chaining/MST does not work. We are using the monitors and nothing else with the original cables.
Only way to get ...
- 366
18
votes
Ethernet indicator in OSX menu bar
Late to answer but still for those landing here looking for a Ethernet connectivity status icon in menu bar, check this macOS app Ethernet Status - The Missing LAN Status Bar Icon. It shows ethernet ...
- 336
18
votes
How to use 3rd-party USB Ethernet adapter with El Capitan
For Realtek based USB 2.0 or 3.0 Ethernet Adapters, you can get the driver from Realtek which works for both 8153 and 8152.
- 181
16
votes
How can I troubleshoot or reset a Thunderbolt Ethernet adapter?
The solution is to try and reset as many network related system preferences as possible. To be more specific:
Unplug the Thunderbolt Ethernet adapter.
Create and Apply a new default network location (...
- 745
15
votes
How do I remove the 802.1X settings in Mountain Lion
Try System Preferences > Profiles. It listed my 802.1X profiles and I was able to remove them from there.
Alternatively, you can manually edit configuration files in /Library/Preferences/...
- 251
14
votes
macOS artificially restricts speeds to 100 Mbps over Ethernet
Check your network cable
If it's not a software based issue, it's likely hardware. I'd replace the network cable with a known good one. Even cables that look OK can have issues.
- 241
13
votes
How to use 3rd-party USB Ethernet adapter with El Capitan
As far as I understand, you can run a lot of generic ones that don't have Apple-signed drivers by disabling "System Integrity Protection" (SIP)
From:
http://inkandfeet.com/how-to-use-a-generic-usb-...
- 231
12
votes
Accepted
Full Wi-fi/ethernet signal but no internet
Here is a step-by-step guide for you:
Temporarily disable any Firewall/Internet Security solution/packet filter on your Mac (like LittleSnitch/Hands Off!/Kaspersky Internet Security etc.)
Connect to ...
- 65k
12
votes
How to use 3rd-party USB Ethernet adapter with El Capitan
Old post, but just wanted to give an update.
Sometimes you just need to install the chipset's drivers.
Asix Driver
If you are lucky, you will have an Asix's chipset and you can do the folling to find ...
12
votes
Should I use a Thunderbolt adapter or a USB 3.0 adapter for ethernet?
I would recommend Thunderbolt, as it is essentially external PCI-Express, which is the same bus an internal network card (among other things like graphics cards, etc) is attached to.
PCI-E (and thus ...
- 431
11
votes
Accepted
How to spoof a USB-Ethernet adaptor's MAC address in OS X
I fixed this issue by installing my adapter's chipset driver on Mac Os X.
After rebooting, the usual command (e.g. sudo ifconfig en6 ether xx:xx:xx:xx:xx:xx) works as expected.
Below the details.
I ...
- 226
11
votes
Should I use a Thunderbolt adapter or a USB 3.0 adapter for ethernet?
An answer from my personal experience: I've used both
original Apple's Thunderbolt to Gigabit Ethernet adapter
Cable Matters DB50 USB 3.0 to Gigabit Ethernet adapter
and noticed no difference when ...
- 263
11
votes
How does a Mac choose between Wi-Fi and Ethernet to work with?
In a default setup, macOS will prefer the ethernet connection over the WiFi connection automatically. You do not need to fear that you're limiting your network speeds by also connecting to WiFi.
You ...
- 72.3k
10
votes
Full Wi-fi/ethernet signal but no internet
After inspecting your configuration, it seems two factors might be in play here:
DNS
Firewall
A quick way to confirm a working internet connection but bad DNS is going to a website by using it's IP ...
- 2,650
10
votes
Connecting multiple screens to the 2016 MacBook Pro with Touch Bar
After doing a little research on Dell's daisy chaining monitors, I came across this bit of info on their support site:
Multi-Stream Transport (MST), also known as Daisy Chaining, is a new
...
- 88.7k
10
votes
Connecting multiple screens to the 2016 MacBook Pro with Touch Bar
I'm not sure if this answers the question but I'm testing this out right now with a new MacBook Pro Touchbar 13" with 4 USB-C ports.
In the testing I'm using the Minix Neo C Hub which has
2x USB3 - ...
- 123
10
votes
Accepted
Can I disable wifi automatically if there is an ethernet connection?
You have several solutions:
https://gist.github.com/albertbori/1798d88a93175b9da00b
This is a bash script that will automatically turn your wifi off if
you connect your computer to an ethernet ...
- 4,735
9
votes
Ethernet indicator in OSX menu bar
You can use BitBar with the Emoji Active Network Interface Indicator to show an emoji in your menubar that indicates if you are on Wi-Fi or another interface.
BitBar: http://getbitbar.com
Emoji ...
- 610
9
votes
Accepted
Does macOS support Ethernet over USB without a 3rd-party driver?
Yes - the vast majority of ethernet adapters work - especially USB-C since they are generally very new, a little more pricey and use fairly standard types of control chips and usb chips.
The Belkin ...
- 227k
8
votes
Send very large files through Ethernet between two Mac computers
Yes, you can use an ethernet cable to quickly transfer files from one computer to the other.
It's really quite simple.
Plug in the cable
Go to System Preferences, and make sure that Ethernet is ...
- 1,716
7
votes
How does the Mac choose which connection to use when both Wifi and Ethernet are connected?
The Service Order doesn't work. If you test it, you will find that Mac OS prioritizes Wifi over Ethernet, even if Ethernet is set higher in the Service Order.
One way to test it is to measure your ...
- 191
7
votes
How to measure local Ethernet speed
As a rough idea - your speed must be somewhere between 47 and 100 Mbps. Must probably it is 100 Mbps.
If you want to test, get a second computer and take the connection out of the router and plug it ...
- 72.3k
7
votes
Accepted
How to make Macbook Pro recognise gigabit speed of ethernet adapter dongle via USB-C connection?
Judging from your screenshots it seems like the LAN cable is not directly plugged into your Mac, instead:
LAN cable → USB 2.0 Hub→ 4-port USB 2.1 Hub → USB 3.1 MBP Controller
USB 2 spec does not allow ...
- 3,206
6
votes
Accepted
Ethernet not working on MacBook pro retina 13
If this is recent, you may be the victim of a bad malware protection update from Apple. They have posted a support article explaining how to check if this was the cause, and how to fix it.
First, ...
- 5,811
6
votes
Apple USB Ethernet Adapter has a self-assigned IP address and will not be able to connect to the Internet
Assuming that there is no firewall running (you can do this by issuing the command sudo pfctl -d at the command line), there are two possibilities that would be causing this:
A faulty Apple USB ...
- 88.7k
Only top scored, non community-wiki answers of a minimum length are eligible