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Questions tagged [ethernet]

a networking technology for a LAN that allows data transfer

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5answers
69k views

Apple USB ethernet adapter is not detected

I have a Macbook Air running 10.7.4 and I'm trying to connect to ethernet using the official Apple USB to ethernet adapter. However, the mac never detects the new network interface. It never displays ...
2
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1answer
2k views

AppleTV ethernet over HDMI?

I have an AppleTV 4K connected to a Sony screen over HDMI. The AppleTV is connected to the Internet via WiFi, the Sony is deliberately not connected - just power and HDMI. Recently I have learned that ...
1
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0answers
46 views

How to do Link Aggregate / Load Balance with Ethernet and Wi-Fi [duplicate]

Windows can run Connectify Dispatch (no longer available to download BTW), and both MacOS and Windows can run Speedify which proves that Link Aggregate with Ethernet and Wi-Fi is possible on macOS......
-1
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1answer
866 views

Macbook Air usb to ethernet problem

When I first bought, it totally worked. but now, it works after many plug and re-unplugs. What should I do? and it keeps not detecting the usb to ethernet cable.
1
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2answers
2k views

Apple Airport - Access DHCP from ethernet connection?

Is it possible to have a device connected to an Airport Express via the ethernet cable to access the DHCP / sit within the NAT functionality for Internet use? I have an existing network where a ...
0
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2answers
3k views

Ethernet LAN speed too slow on one machine

I have a LAN that has 4 Macs and a router / switch to connect them all. My Ethernet LAN speed on my iMac is pathetically slow. I additionally have a MacMini, MacBook and G4 in my LAN, they all go way ...
3
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2answers
1k views

Microsoft Remote Desktop via Ethernet Cable

I use a MacBook Pro regularly, but I also have a Windows 10 box that's sitting right next to me. I use Microsoft Remote Desktop (MRD) from the Mac to occasionally remote into the PC over WiFi for the ...
2
votes
1answer
2k views

Mac server keeps “disappearing” and “reappearing” on local network

I'm hoping someone can help me figure out a really perplexing issue we've seen with a Mac server on our local ethernet network. What we're seeing lately is that the server (which we use for Time ...
0
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1answer
2k views

Macbook Pro 2008 Gigabit Ethernet has become 100Mbps with Mavericks

I just noticed that the Ethernet port on my old Macbook Pro 5,1 (Late 2008, the first Unibody model) that is supposed to be Gigabit is limited to 100Mbps after I installed Mavericks. Does anyone know ...
4
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3answers
2k views

Find IP address of ethernet printer when Location is “Home”

I want to find the IP address of my home ethernet printer. When I follow instructions like here: https://www.youtube.com/watch?v=rGK3DUbFz2c in both cases, it says that the Location is Home. How do I ...
2
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0answers
38 views

2nd Ethernet on MacPro Hangs under extreme traffic

2013 Mac Pro. Using both built-in ethernet ports for 2 separate networks, one a Storage LAN and one an Internet connection. On heavy disk I/O (Disk First Aid, array to array copies, etc) the Storage ...
2
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0answers
92 views

Using Macbook pro 2017 13 inch with High Sierra 10.13.3 with Motorola SURFBoard SBG6580's ethernet port causes bugs on touchbar

I have a really peculiar problem. I noticed that while i was using my new macbook my touchbar would malfunction. for example if i attempt to use the slider to set the brightness, after about 0.5-1 ...
1
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3answers
12k views

Airport extreme seems to place a limit on gigabit ethernet

I have a gigabit internet which goes into my airport extreme. Everything is working fine now except the fact that the Gigabit Ethernet port has a limit of 200mb/s when tested. If I plug the main ...
2
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0answers
222 views

Block internet/network access to a specific application, or just to launch an application?

We have a legacy application which tries to force login at startup - but the server is not accessible. If there is no internet it just skips login (talk about security). I have ethernet so I'm after ...
2
votes
1answer
5k 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 ...
0
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1answer
46 views

Can the files being transferred affect/slow the data throughput?

I'm currently trying to carry out the initial backup of an iMac using Time Machine, backing up to a Time Capsule (3TB, the older 'flat' type). The TC is connected via Ethernet and for reasons to do ...
9
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1answer
3k views

Does macOS support Ethernet over USB without a 3rd-party driver?

As we all know, the MacBook and MacBook Pro do not have Ethernet ports. Apple makes a Thunderbolt Ethernet adapter (which requires no driver), but with the change to USB Type-C, this is no longer an ...
2
votes
2answers
3k views

What is difference between network service and network interface

I'm a little bit confused about the difference between a network interface and network service. For example, the ifconfig utility documentation talks in terms of the network interface: ifconfig en0 ...
1
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0answers
850 views

Is it possible to tether internet on the iPhone to an Ethernet attached device?

I have a hotspot connection on my iPhone 7 Plus phone that is extremely slow. The Internet on my phone is extremely fast. When I connect a device the connection is very slow. The device is a smart TV. ...
1
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2answers
3k views

Macbook Air Running version 10.7.5 won't connect to wifi but connects via Ethernet

I have a MBA and I have connected to my home network before. I went on holiday and on return, I cannot connect to Wifi anymore. It tells me "connection time-out occurred". But my Ipod Touch (4th Gen) ...
3
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0answers
1k views

How to share company Tunnelblick VPN (via Wifi) over Ethernet?

I have a company-issued 2017 MacBook Pro (4 x Thunderbolt 3 ports, macOS Sierra 10.12.6). My IT has installed Tunnelblick VPN so that I access company-internal servers over WiFi at home. I would like ...
1
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1answer
425 views

In Macbook, what are Thunderbolt MAC addresses for, if ethernet adapters provide ones?

I think this answer and this one say that each ethernet adapter, such as USB-C-Gigabit Ethernet Adapter, has its own MAC address. So, that means Macbook (Pro) doesn't have a built-in ethernet card. ...
1
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1answer
2k views

Mac mini ethernet speeds not gigabit?

I've been writing a script for my Mac Mini (2014) that does a speed test and logs the data to a database. All that works great, but the results were a lot lower than I was expecting. I have a gigabit ...
1
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1answer
948 views

How to reset LAN ethernet adapter after switching the network

I have MacBook Pro 2017. I have the very same docker hub at work and at home (moshi). Both have LAN cables attached. However, I can use only one of them: for example, when I make my work LAN working, ...
1
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1answer
26 views

Using scp with large files kills ethernet?

This morning I tried to use scp to copy a single large file from my old Linux Ubuntu machine to my brand new 2017 Mac Book Pro. I ran into a very strange problem: scp would happily copy 95% of data (...
1
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1answer
175 views

Transfer speed much slower in Wi-Fi than Ethernet

I'm transferring a lot of pictures from my Macbook Pro to a local Synology NAS (DS116), using an FTP software named Transmit. I noticed that the upload speed is quite different between Wi-Fi and ...
1
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0answers
1k views

Ethernet disconnected after sleep

When I come back to my Mac after it was sleeping sometimes the Ethernet connection is not working. I have to unplug and plug it again. I am using macOS Sierra Version 10.12.6 Any ideas?
1
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1answer
84 views

Filter out ARP query from given ether:ip

Let's say on my network there is a hacker who floods my computer with arp messages to associate his MAC address with the IP of the computer I want to reach. It's like he sends the following message ...
5
votes
2answers
680 views

USB hub fails to power ethernet adapter

This problem happens on both a 2011 Mac Air (Sierra) and a 2013 Macbook Pro Retina (El Capitan). For a couple years, I have had a powered USB 3.0 hub with a few devices plugged in, including a KVM, ...
1
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1answer
110 views

Thunderbolt-ethernet cable heats up MacBook Air

I recently bought a thunderbolt-ethernet cable because my university only provides internet access via ethernet, and I have a MacBook Air. The cable works pretty well, except that it really heats up ...
1
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0answers
32 views

Ethernet 10/100 Mbps

I have recently upgraded my Internet access to 100Mbps upload / 30Mbps download, upgraded also the modem router and switches to 100Mbps. Tested with Speediest app (Mac OSX) and found these figures: - ...
0
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1answer
3k views

How to connect to wifi while connected to a device through thunderbolt bridge

Macbook --> Thunderbolt Ethernet adapter --> Ethernet Cable --> Device under test with IP address The device under test is not connected to the internet. While I am testing the device I still need an ...
1
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1answer
1k views

Fastest way to migrate data from Late 2016 13" MacBook Pro to 2009 Mac Pro [duplicate]

I'd like to use Migration Assistant to migrate data from a Late 2016 13" MacBook Pro to a 2009 Mac Pro. The only connection options I see possibly working are gigabit ethernet or USB. I'm not sure if ...
2
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0answers
323 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
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1answer
127 views

Is Thunderbolt on the same bus as FireWire and Ethernet on a late 2012 Mac Mini

I use a late 2012 Mac Mini as a music server. My expensive, external audio digital to analogue converter (DAC) was connected to the Mini by FireWire. After a lightning strike the Mac Mini FireWire and ...
2
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0answers
1k views

Unable to use WiFi after/during using thunderbolt ethernet adapter

when I use my thunderbolt ethernet adapter I'm not able to connect to the WiFi, either when the adapter is plugged or not. I tried to check for errors in /var/logs/wifi and I got this: Wed Apr 26 16:...
3
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1answer
9k views

How do I delete network interfaces

I am still a little new to the macOS world, so my question might be easily solved. I have been doing some networking with my MacBook Air and noticed some things I did not understand/thought that they ...
0
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1answer
6k views

connecting my laptop to iPhone HotSpot using Ethernet adapter

Can someone suggest an adapter to connect to iPhone hotspot through Ethernet data cable? Wireless hardware in my laptop has stopped working and I am using Ethernet cable to connect to Internet. But ...
3
votes
1answer
473 views

Can't use Wi-Fi and LAN at the same time

I have a macbook and a belkin USB-C to Ethernet Adapter. I would like to use Wi-Fi to access the internet, and the LAN cable to connect to a local network. But it doesn't work. Whenever I plug in the ...
2
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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
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1answer
1k views

Netboot cannot get DHCP IP address

Testing netboot on a Macbook Pro 9,2 with Yosemite installed. Infoblox DHCP/DNS (Linux style) giving out IP address. Reservation for this Mac is set - Logging into OSX provides correct IP etc. I have ...
1
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1answer
3k views

Unistall Realtek USB Ethernet Network Adapter

I would like to uninstall the "Realtek USB Ethernet Network Adapter" I can find it under System Information -> Software -> Installations in a list but don't know how to get rid of it.
1
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1answer
176 views

Does gigabit ethernet to thunderbolt adapter work with old ethernet?

Does Apple's Gigabit ethernet to thunderbolt adapter work with old types of ethernet that are not gigabit? I am wondering because I want to use it with my 2015 macbook pro, wondering if I can connect ...
1
vote
1answer
212 views

iMac with Apple USB Ethernet won't boot after latest Security Update

We have a number of iMacs (models 14,1 to 16,2) running in a StorNext 5 environment as Distributed LAN Clients (DLC). These machines have Apple USB Ethernet adaptors attached to provide a secondary ...
0
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2answers
1k views

No ethernet icon in Lion?

I remember having an ethernet icon in Tiger and Leopard in the menu bar. This was very convenient since it gave quick access to the settings just like you need it for airport: In Lion I do not see ...
2
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1answer
59 views

Link aggregate “bondmode” spontaneously changes

I've setup a link aggregate of the two ethernet ports on my macpro6,1 (via System Preferences > Network > Manage Virtual Interfaces > New Link Aggregate). Due to the way my other devices are setup, I ...
12
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3answers
37k 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 ...
0
votes
1answer
574 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: ...
2
votes
1answer
587 views

Transparent Firewall using macOS pf

I'm trying to setup a transparent firewall with a Mac mini running macOS Sierra. Basically I'm trying to do this (just with macOS): A Transparent Firewall Using OpenBSD This is my network setup: ...
2
votes
2answers
10k views

Can one buy an Ethernet and HDMI Thunderbolt adapter?

I need both of them and I am wondering if it is possible to buy them together or if I have to get two separate items? Also I am seeing a lot of third party Thunderbolt>HDMI adapters for cheap and ...