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Questions tagged [ethernet]

a networking technology for a LAN that allows data transfer

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mid-2011 iMac will not update DHCP address

I realize mid-2011 iMac is aging out, but it is what I have. It is running 10.13.6 (High Sierra). I recently installed a Netgear GS305E between our cable modem and the computer. The Netgear Switch ...
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Internal Ethernet adapter not detected on Macbook 4.1 running 10.7.5, it works fine on Linux Mint

I have a dual boot MacBook 4.1 running Mac OSX Lion and Linux Mint 20.3. In Mac OSX, the ethernet adapter doesn't work and I get a message "This computer does not appear to have any PCI Ethernet ...
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MacbookPro14,2 Gigabit internet Speed. Is it possible?

I have MacbookPro14,2, and following is the internal ethernet spec. I was wondering if its possible to use external gigabit ethernet (found on USBc dock), and have gigabit internet. I have a gigabit ...
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MacBook M1 network issues when activating WiFi and USB ethernet adapter at same time

I have a new MacBook M1 and had never such issues with my old MacBook before. WiFi works perfectly if no other ethernet adapter is connected. USB ethernet works perfectly if WiFi is disabled and IPv6 ...
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Wifi to internet sharing to ethernet en7? what about en4-6?

I'm in an airbnb with my two computers (2012 MacPro macOS 10.12 + 2022 MBP macOS 12.3). The MP isn't receiving the WiFi signal strong enough, so I bought an ethernet cable + adaptor thinking that I ...
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1 answer
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Slow Ethernet LAN Speeds on 2021 MacBook Pro

I have a 2021 16" MacBook Pro and my wife has a 2019 15" MacBook Pro, both running macOS 12.3.1. I have a UniFi gigabit network with a Dream Machine Pro and Switch Lite 16, also running the ...
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3 votes
2 answers
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How can I fix my WiFi being prioritized over the Ethernet, despite being first

My work network is a little weird. I have a Wireless connection that is primary, but I have a ethernet connection for LAN that also connects to the Internet. For some reason, the network always ...
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1 answer
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Unable to connect to iMacs with ethernet using Finder's "Network" feature

Trying to connect a late 2014 iMac (Big Sur) to 2020 iMac (Monterey) with Finder's "Network" feature. The official instructions from Apple are pretty spare so I figured it was probably a ...
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Enabling mini jumbo PPPoE RFC 4638

I enabled PPPoE and Jumbo 9000 frames for Ethernet. Jumbo MTU 9000 gets enabled: en5: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 9000 options=50b<RXCSUM,TXCSUM,...
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M1 Mac Mini loses ethernet connection frequently

I have a new M1 Mac Mini running the latest version of macOS Monterey. I've connected it via Ethernet to a switch, using the native onboard Mac Mini Ethernet port. But the ethernet connection cuts out ...
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1 answer
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My third party Realtek 8153 USB Ethernet adaptor does not work with macOS Big Sur 11.6.1

My 2014 MacBook Air is running macOS Big Sur 11.6.1. I am trying to use a Lention CB-H23s-0.5M USB A hub. The USB portion of the hub works; the Ethernet adaptor does not. I tested the Lention hub with ...
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1 vote
1 answer
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Auto schedule Ethernet to activate/inactivate

I use a USB-C Ethernet dongle on my MacBook Pro. I frequently find it has stopped working and suspect it's due to the dongle overheating. I'd like to automate this sequence: Inactivate Ethernet at ...
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Why do I need to unplug my Ethernet cable or restart network service to renegotiate connection speed? [duplicate]

Rather frequently, my iMac with a 1Gb ethernet drops to 100Mb/s connection speed. I can unplug the cable, plug back in a second later, and the speed restores to 1000Mb/s. I recently discovered that ...
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MS Teams on my mac uses wifi in preference to ethernet - can I change the preference?

I can't find anything in the MS Teams app settintgs, and I have my Service Order set to use ethernet over wifi, but whenever I go into a video call with MS Teams, it always uses wifi... Does anybody ...
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Big Sur Ethernet Issue

I am looking for an ethernet driver for macOS Big Sur (0x1a40 (TERMINUS TECHNOLOGY INC.), VendorId:0x0fe6). But the adapters I tried so far didn't work. One of them is this one. Is there anyone who ...
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19 votes
4 answers
14k views

macOS artificially restricts speeds to 100 Mbps over Ethernet

Overview I have a 1 Gbps connection via a Cat 6 Ethernet cable to my MacBook Pro (16-inch, 2019). I am on macOS Big Sur 11.6 on the Intel Core i9 if that helps. The Ethernet cables connect to the ...
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Apple ethernet slower than Dell ethernet?

Same Ethernet port, same USB C-Ethernet adapter, a Dell laptop (with Windows) vs. a 2017 MacBook Pro with Catalina. MacBook Pro gets around 45 Mbps download while the Dell laptop gets 1000 Mbps. Why? ...
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macOS 11.5.1: How to bring Ethernet + SSH up on Boot with no local user login?

I need to work remotely on my macOS (now updated to 11.5.1) on MacBookPro with XCode command line tools from my FreeBSD workstation. I am using USB Ethernet adapter that works fine with that mac. The ...
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Apple "Remote Management" not working through ethernet

In order to control my Mac mini, I use Apple's "Remote Management" feature. I have Remote Management enabled on the Mac mini, which allows me to control it from my MacBook Pro via the Screen ...
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1 answer
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Ethernet-usb isn't recognized by macbook, no ethernet option under Networks

I have a 16-inch Macbook Pro 2019 with Big Sur (11.4) and an Ethernet cable that I plug into an UTP-USB adapter (TP-Link UE300) which then goes into a dongle that brings it to USB-C. Not the prettiest ...
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No Ethernet even in macOS Recovery mode

Catalina 10.5.7 on an iMac 27" 2020. From one day to another the Ethernet connection to the router has stopped. It went from a green to a red dot. Whatever I try the message stays always the same:...
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Ethernet <-> Thunderbolt 2 <-> USB-C : What speed?

Over a lazy weekend, I find myself wanting to connect my fairly new MacBook Pro, with its USB-C connections, to wired ethernet coming off my cable box. Nominal cable speed is 200Mbps; I regularly ...
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Unable to get Ethernet on three Macbooks

We have three Macbook Pros in use in our house and I am unable to get wired ethernet connection from the router to any of them. I have two ethernet cables and have tried with both. Two of our Macbooks ...
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How can I get iStat Menus or activity monitor to display download speed after switching to realtek driver?

I decided to buy a usb 3 to ethernet adapter for my macbook air for faster downloads, but was getting system slowdowns by a process called AppleUserECM, explained in this reddit thread: https://www....
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Kill all internet connections with one button on Mac

I'm looking for something that I can use to kill all internet connections on my mac. Something that turns the wifi off, turns off the ethernet connections. Maybe an apple script or something. I tried ...
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1 vote
0 answers
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Home sharing with an ethernet-connected PC

When my PC and my iPhone are connected to the same Wi-Fi network, I can access my shared library with the Remote app. It works as advertised. But if I connect my PC through an ethernet cable, the ...
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1 vote
0 answers
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Mac Pro tower (2020) ethernet doesn't work if plugged into an unmanaged switch

I'm trying to connect my Mac Pro tower (2020) to my network using ethernet but am experiencing problems if use my Netgear GS105 switch, this setup results in the MacPro saying "Cable connected ...
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1 answer
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Ethernet-over-usb not working with usb-c to usb-c cable, working with adapter

I have an OTG device that exposes a network interface over USB-C, providing a DHCP server (think a raspberry pi or similar). When I plug it into my Linux computer (USB-A on the computer, USB-C in the ...
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1 vote
1 answer
3k views

Ethernet is connected but no internet access in MacOS

I am working on iMac Retina 4K 2017 with macOS Big Sur v.11.2.1. The Ethernet is connected to the iMac but unfortunately no internet access. I've tried these approaches: I've created new location and ...
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2 votes
0 answers
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Fusion 12.1 on Big Sur 11.2.3 Cant resolve: Could not connect 'Ethernet0' to virtual network

I am new to this page but excited to hear some answers from experts. I am new to the VMware Fusion 12.1 Pro and I installed the latest build of Windows 10. Every time I run the emulator, I generate ...
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2 votes
1 answer
193 views

Using 2 Ethernet ports at once?

I have a 2010 MacPro. For 11 years, I’ve never given the 2 Ethernet ports a second thought. Now, I have a NAS and it has 4 ports. And both the Mac and NAS are plugged into a gigabit speed hub. ...
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1 vote
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VERY intermittent "Self-assigned IP" on Mac M1

My connectivity looks like this -> M1 -> (thunderbolt) -> Belkin Hub -> (ethernet) -> Ubiquity Switch -> (ethernet) -> Ubiquity UDM -> (ethernet) -> Cable modem I have a ...
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Why do I only get ethernet connection through the right usb port and why does it stop working if I unplug and replug?

I've been trying to use a usb > ethernet adapter to get a connection and have the following issue (Mid 2014 Macbook Pro, 13", BigSur 11.2.2): Only the right side usb port works in terms of ...
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1 vote
1 answer
153 views

How to use a USB-C adapter on an older mac with USB A

I have two Macbooks - one from work (with USB-C only) and my personal (2015 - thunderbolt and USB-A 3). I recently purchased a Satechi USB-C to Gigabit Ethernet adapter for the USB-C Macbook and would ...
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USB-C port faulty (MacBook Pro 2019)

MacBook Pro (16-inch, 2019) 2.3 GHz 8-Core Intel Core i9 16 GB 2667 MHz DDR4 AMD Radeon Pro 5500M 8 GB USB-C > ethernet : Hyper Drive GEN2 12-in-1 USB-C USB C Hub 8 in 1, uni USB-C Hub Anker USB ...
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Self-assigned IP address ethernet issue

I'm trying to connect my MBP15 2017 to my router using a Dell DA300 hub (Wifi works well). I keep getting the self-assigned IP issue. What I've already tried: rebooting rebooting the router using a ...
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2 votes
1 answer
384 views

USB C to Ethernet on iPad Air 4 in hotel

The WiFi in my hotel room has been dropping video calls so I got a USB C to ethernet adapter and plugged it into my iPad Air 4 running the latest iOS. Ethernet settings appear in the settings app and ...
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How to fix weird Python and urllib3 behavior with LMP USB-C gigabit ethernet adapter (connection aborted)?

I have this adapter for my Macbook Pro from 2019. I noticed something very strange that I'm debugging now since hours. I am using Ansible to create routes in Kubernetes and the following Ansible task ...
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1 answer
519 views

2020 macbook air ethernet disconnection problem

I have been struggling with an ethernet disconnection problem on my Intel MacBook Air 2020 for several months now. The ethernet connection (through a wired USB-C lan connection) turns off after I have ...
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3 votes
1 answer
3k views

How to make Macbook Pro recognise gigabit speed of ethernet adapter dongle via USB-C connection?

It works with up to 100mbps, and it shows in Network as "USB 10/100LAN", but I know it can do up to 1000mbps, but when trying to add + a new interface, the "USB 10/100/1000 LAN" ...
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3 votes
2 answers
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Does a Thunderbolt 3 to Ethernet male to male cable exist?

I have a WD Passport external hard drive with ethernet and Firewire 800 ports only. Having just purchased a new MacBook Pro (2019), I'd like to continue using this drive as my backup. As ethernet is ...
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iMac 27" (mid 2011) self assigning IP

I have a problem with my iMac, that it keeps self assigning IP on WiFi and Ethernet. So far I've tried to Renew DHCP lease Typing the IP/submask/router IP/DNS manually (says I'm connected to the ...
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Ethernet connection gets self-assigned IP when Wi-Fi turned on?

I've been having this issue consistently since upgrading my MacBook Pro (late 2018) to Catalina where if I have Wi-fi turned off, my ethernet cable plugged in, and I restart my machine; upon ...
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2 votes
1 answer
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Change mac id of usb-c to lan adapter

I recently got a Macbook pro 13 inch and I bought this docking station for all the ports I need. The issue is that my university network requires registration of mac id to use internet in campus and ...
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0 votes
1 answer
382 views

Internet over Wi-Fi working but not over Ethernet (LAN)

I have run into a curious problem. When I connect my MacBook via LAN cable, the Internet doesn't work, but I can still ping other devices in my network (including the router) and also can access my ...
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How to sniff packets between a iOS device and an ethernet (via USB) device

I have a USB camera that does work with iOS devices only on a specific application made by the manufacturer. When connected, it creates an ethernet interface for which I'm always assigned the same IP ...
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1 vote
4 answers
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Macs can't see each other over an Ethernet cable. MacOS failing to set up 169.254 routing. Why? How do I fix? Violates RFC 3927? Hint: multi-homed?

(Too-wordy title: Macs connected with an Ethernet cable can't see each other - MacOS failing to set up 169.254 routing, AKA link-local address configuration. Why? How do I fix? Is it violating RFC ...
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0 votes
1 answer
671 views

Using OIKWAN usb-c to ethernet cable on catalina

I bought this cable https://www.amazon.com/USB-C-Cisco-Console-Cable-Windows/dp/B0774JV2QQ and installed FTDI drivers and the system profiler does pick it up: FT232R USB UART: Product ID: 0x6001 ...
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1 vote
0 answers
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Create local LAN for vmware instance and ethernet adaptor

How do I create a local LAN that will include my vmware instance and a device plugged into my usb-c adaptor? I have a 16" MBP, running Catalina 10.15.6. It connects to the world at large using ...
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4 votes
2 answers
993 views

Wi-Fi Calling over Ethernet in Airplane Mode

Does WiFi-Calling over Ethernet (with a compatible Ethernet-Adapter) work on iPhones with airplane mode enabled and no WiFi connection? I am using iOS 14.
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