Questions tagged [ethernet]

a networking technology for a LAN that allows data transfer

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28
votes
8answers
50k views

Connecting multiple screens to the 2016 MacBook Pro with Touch Bar

I'm thinking about buying the new MacBook Pro with 4 USB-C ports. I want to attach two screens, mouse and keyboard and ethernet to the MacBook Pro while using the fewest number of USB-C ports ...
112
votes
5answers
135k views

How does the Mac choose which connection to use when both Wifi and Ethernet are connected?

When I'm connected to two networks with separate routers using Wifi and Ethernet, how does my Mac know what connection to use when I visit a website?
18
votes
11answers
319k views

Full Wi-fi/ethernet signal but no internet

I'm really hoping someone here can help me, as I'm getting pretty frustrated with my macbook now. I have a late 2011 model 15" macbook pro running OSX 10.9.5 that refuses to connect to Internet on my ...
12
votes
5answers
33k views

What's the fastest connection speed / shortest elapsed time using Migration Assistant?

When using Migration Assistant to move users, files, and folders from an old Mac to a new one, you have a few different choices, depending on the Macs involved. Presuming that both Macs have ...
15
votes
5answers
12k views

My Mac mini's computer name keeps changing when it resumes from sleep

When I wake my Mac mini from sleep, it occasionally comes up with a dialog saying "The name of your computer "whatever" is already in use on this network. The name has been changed to "whatever (1)"" (...
13
votes
2answers
8k views

Using a wi-fi and an ethernet connection at the same time thus having more bandwidth?

Is there a way on OSX or with a 3rd party software to use both a Wi-fi and an ethernet connection, thus having the sum of the connection speeds? Or maybe making some applications connect to one ...
27
votes
7answers
147k views

How to use 3rd-party USB Ethernet adapter with El Capitan

I am plugging a USB Ethernet adapter (not Apple-brand) into my MacBook Pro (Retina, 15-inch, Late 2013). No go. I do not see any relevant "USB Ethernet" item listed in System Preferences > Network. ...
7
votes
2answers
50k views

Apple USB Ethernet Adapter has a self-assigned IP address and will not be able to connect to the Internet

Cannot connect MacBook Pro (Retina, 15-inch, Mid 2015) (10.13.3) to the internet through my Apple USB Ethernet Adapter. I am receiving this error under System Preferences/Network: "Apple USB Ethernet ...
7
votes
3answers
3k views

how to make different apps use wifi vs ethernet?

I'd like to route some apps through WiFi and other apps through ethernet. Given that OSX has a wide array of system tools and utilities as well as a rich ecosphere of apps, how can I make that happen?...
6
votes
5answers
10k views

My MacBook Pro loses its connection to my WiFi router

I've set up a brand-new internet connection with a Wireless Router. The thing is that : It works all the time for my iMac It stops working at times on my MacBook Pro (either when connected via wifi, ...
14
votes
2answers
45k views

Are Boot Camp drivers for thunderbolt to gigabit ethernet available?

I have a Retina MacBook Pro with Mountain Lion and Boot Camp with Windows 7 and the Boot Camp 4.0 drivers. I'm also using the Thunderbolt to Ethernet adapter. My problem is that my ethernet port (aka ...
10
votes
3answers
49k views

How can I troubleshoot or reset a Thunderbolt Ethernet adapter?

It appears my Thunderbolt Ethernet connector has stopped connecting to my router for good today. Over the last few days I had already seen my ethernet connection "crash" multiple times. My machine ...
17
votes
3answers
3k views

How does a Mac choose between Wi-Fi and Ethernet to work with? [duplicate]

My Mac is connected via a 1GBit Ethernet. However, from time to time I do turn on WiFi and let it connect, typically because I need to use AirDrop etc. When I'm done with AirDrop I usually turn the ...
5
votes
3answers
21k views

Mavericks Internet Sharing over Ethernet stopped working

I'm on 10.9, and I had been using internet sharing successfully again for the first time since Lion. Today though, it just decided to stop working again. Network layout: Modem -ethernet-> Router -...
4
votes
4answers
7k views

Thunderbolt 3 to Ethernet adapter

I have just ordered one of the new Nov 2018 MacBook Airs that only come with Thunderbolt 3 (USB-C) ports. Just looking for a simple clean solution for a high performance adapter using the USB-C ...
3
votes
0answers
192 views

Internet Sharing on Mac via LAN [duplicate]

Possible Duplicate: Internet Sharing is grey out My Mac is connected to internet using WiFi and its working fine. I want to share the internet connection via LAN but I am unable to select the ...
13
votes
3answers
14k views

How to spoof a USB-Ethernet adaptor's MAC address in OS X

I've recently bought a usb-ethernet adapter (not apple) and I get internet connection. In my university we have to put a specific mac address but I can not change it. I have tried with sudo ...
14
votes
8answers
99k views

How to force Thunderbolt-ethernet connection when switching networks without restarting computer?

I have a thunderbolt to ethernet cable on a MacBookPro Retina on Lion. Sometimes the thunderbolt to ethernet connection does not work. It seems to occur when I switch network locations (e.g., I move ...
30
votes
4answers
44k views

Ethernet indicator in OSX menu bar

I am using OSX 10.7 When I move between different ethernet networks (e.g., at work using ethernet on an external display, at home using thunderbolt ethernet), the ethernet does not always connect. ...
12
votes
3answers
39k views

Where is the MAC address of my Thunderbolt to Ethernet adapter?

I have a Thunderbolt to Ethernet adapter for a MacBook Air and I need to assign a static IP address to it. I assume the MAC address is embedded in a given adapter... and by convention I would assume ...
12
votes
1answer
2k views

Third party USB Ethernet adapter won't wake up

I have a mid 2015 Retina MBP 15" and regularly use multi screens and hard wired ethernet. So I've bought a third party HandAcc USB ethernet adapter with Realtek 0x8153 chipset (the device also ...
11
votes
5answers
14k views

To let a Mac automatically use Wifi and Ethernet to double the connection speed?

I am staying at a hotel, and for some reason, I think they limit each Wifi connection to 95 kbyte / s. So that is roughly 1.2 Mbps... and since I have 18 Mbps at home, I am using a speed that is less ...
14
votes
2answers
26k views

How can I get the list of all active network interfaces programmatically?

My objective is to determine the IP address for Ethernet on a device. But assuming that there are connections like WiFi and USB Ethernet, is there a particular way just to get the Ethernet IP ? On a ...
6
votes
2answers
11k views

Migration Assistant fails on Ethernet Mavericks-to-Mavericks migration

I have the following setup and am attempting the use Migration Assistant over Ethernet: Source machine: Early 2009 24-inch iMac running OS X 10.9 Destination machine: Latest MacBook Pro Retina ...
6
votes
2answers
7k views

How can I automatically disable WiFi when I connect to an Ethernet network?

I would like my WiFi to automatically disconnect when I plug an Ethernet cable into my Mac. How would I go about this?
12
votes
3answers
22k views

Do any USB 3.0 to Gigabit Ethernet adapter work with OS X?

Yes, I know there is a solution available from Apple for Thunderbolt. Yes, I know there is a solution available from Apple for USB 2.0 to fast Ethernet (10/100). I am looking for an adapter to plug ...
4
votes
1answer
8k views

If I connect an Ethernet cable, will my Mac automatically select the fastest route for local network traffic?

Background I have a fairly robust network setup at home, but am a little unclear on internal Mac networking. My LAN consists of two bridged AirPort Extremes and a cable modem. Everything is connected ...
3
votes
1answer
3k views

Mac Pro: Splitting network traffic based on destination

I have a Mac Pro tower with two ethernet ports. One of them is connected to the company intranet and the other to my home network. I'd like my Mac to use the former ethernet connection only for those ...
3
votes
2answers
7k views

Send very large files through Ethernet between two Mac computers

My coworker uses a MacBook Pro, I use an iMac, both running El Capitan. We need to send a file from her computer to my computer very quickly. The file is over 200Gb. We don't have an external hard ...
1
vote
1answer
4k views

iPhone as 'headphones' for computer

I have been using headphones with an external USB sound card, but the sound card broke today, and my other audio ports are messed up. I have an iPhone, and I know that a computer with a wireless card ...
1
vote
1answer
97 views

Have DHCP for Wi-Fi and static IP for Ethernet?

I'm trying to connect to a device over Ethernet and set a static IP for the Ethernet to talk to the device. When I do this, I can talk to the device but it kills connection to the Wi-Fi and I can't ...
0
votes
1answer
96 views

Is it possible to use Thunderbolt networking and regular ethernet networking simultaneously?

I'm considering purchasing a new iMac and recently learned that Thunderbolt 3 can be used to create a Thunderbolt network bridge between two Macs. I assume that connection over Thunderbolt will be ...
9
votes
3answers
18k views

Can I move data from old to new Time Capsule through USB?

The Apple knowledge base note on this question says to hardwire the Time Capsules and a computer together through ethernet, and transfer the data from TC1 to the computer to TC2, all through ethernet. ...
3
votes
2answers
44k views

My Mac won't connect with Ethernet but will to wireless

I apologize if this is a stupid question, but I'm not very tech-savvy. Using a iMac (21.5-inch, Mid 2010), running El Capitan version 10.11.6. Router is Amped Wireless ATHENA, High Power AC2600 Wi-Fi ...
2
votes
1answer
1k views

Ethernet not working on MacBook pro retina 13

My Ethernet connection is not working on my computer (mid 2015). I already rebooted, deleting the files "NetworkInterfaces.plist" and "preferences.plist" into the folder "/Library/Preferences/...
2
votes
1answer
3k views

Ethernet network connection lost after locking or after Screen Saver activation

I have configured the Hot Corners as shortcuts for "Put Display to Sleep" and "Start Screen Saver". Both work as expected, but when the monitor stops, the Ethernet connection is lost and I'm forced ...
2
votes
1answer
7k views

How to fix Thunderbolt to Gigabit Ethernet slower than Wi-Fi Macbook Pro?

I recently bought a Thunderbolt to Gigabit Ethernet adapter so I could have faster Internet. I plugged the cable into my Internet modem, and the other end into my adapter. I plugged the adapter into ...
2
votes
1answer
714 views

What Could Cause the Ethernet to not Connect to Internet, Yet Connect to Devices on Network

This has been my problem for about 6 months. On my 2011 MBP, if I connect a working ethernet cable to my ethernet port, it will either do nothing or my internet connection will die totally, even when ...
2
votes
4answers
6k views

Do I have to use the Apple USB Ethernet Adapter for a MacBook Air?

Or can I use a third party one that is half the price? If there will be compatibility issues then I would prefer the Apple, but if it's just the same (like not needing to buy a SuperDrive any USB DVD ...
2
votes
0answers
430 views

MacBook Sierra display ethernet needs constant re-starting

I have a shiny new MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports) running Sierra (10.12.4). When connected to my Apple Thunderbolt Display via an Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 ...
1
vote
1answer
128 views

Restricting a user to a specific source network IP address

Assume my Mac Mini (Sierra/High Sierra, doesn't matter) has two defined users: user1 and user2. The machine has two IPs assigned via Ethernet: en7: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,...
1
vote
3answers
5k views

MacBook connects to network over Ethernet but not WiFi

I'm visiting my relatives and trying to get my MacBook on their network. If I connect over Ethernet, everything works fine and I can get online without a hitch. But if I connect over WiFi, I can't ...
1
vote
1answer
1k views

Mac DHCP Server

I often have the need to connect to devices directly through the ethernet port on my MacBook. When I am connected to a wireless network, I can share my connection to ethernet. However, the second, I ...
0
votes
1answer
598 views

Trying to turn on localhost on Sierra made my Mac unable to connect to internet

Background I recently upgraded to macOS Sierra, but couldn't see the typical "it works" page on the local host. I followed some instructions online, first I did the following to my httpd.conf file: ...
0
votes
1answer
260 views

Ethernet MAC address on Macbook 12"

I am trying to locate my ethernet MAC address on a Macbook Retina 12" using ifconfig but I can only see en0 which should be my wireless card; it's quite baffling. Any help would be much appreciated.