Questions tagged [ethernet]

a networking technology for a LAN that allows data transfer

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1answer
42 views

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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13 views

Airport Express in bridge mode intermittently loses connection to internet

My Apple Airport Express (A1392, 2nd gen) loses connection to the internet once or twice a day. Rebooting it or rebooting the modem-router to which it is connected solves the issue. Strangely enough, ...
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1answer
120 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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27 views

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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4answers
103 views

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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0answers
12 views

Internet connection stops working when using Macbook as hotspot

I am trying to use Internet Sharing to hotspot my Ethernet connection. When I turn on Internet Sharing, the internet connection in my Mac stops working. My cellphone is able to log in into the hotspot,...
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1answer
34 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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0answers
10 views

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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1answer
77 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 13.
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0answers
26 views

Macbook Pro 16" refuses to connect via ethernet

I have new machine from my company. It's a 16" Macbook Pro, running 10.15.6. Before I had 13" MBP, also running Catalina. The old machine connected perfectly via Ethernet on my home office ...
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1answer
118 views

Question about network (Are these results of arp a normal?)

I have a question regarding my network; can anyone tell me if this is a problem or not? When giving the command arp -a in the terminal, I see all my connected devices, but there are a bunch of IP ...
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0answers
31 views

2 macs connected via ethernet

Ive connected 2 macs via ethernet "connect to server" using this method: Send very large files through Ethernet between two Mac computers I was able to connect and browse and use all the ...
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2answers
937 views

Slow internet speed with an ethernet adapter on my Mac

With the internet connecting to my windows laptop, the ping/download/upload speed is 16ms/157.15Mps/10.21Mps. However, when I connect the same internet cable to a USB 2.0 ethernet adaptor and then to ...
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1answer
64 views

Mac won’t connect to internet

I have an interesting problem and I believe I may be halfway to understanding it but don’t know how to fix it. My home network has two routers. One is the main one and is in a cabinet so I do not have ...
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208 views

Endless stream of “Suspicious packet count xxx when bytes xxx for flow xxxx” followed by “Flow details for excess packet count <private>” in Console

I have a 2018 MacBook Air Retina. Fresh reinstall of macOS Catalina (10.15.5). Nothing installed except apple numbers, pages and google chrome. After a few hours, after noticing that on idle the fans ...
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2answers
68 views

Ethernet adapters conversion from MacBook Air (Mid 2012, 13“) to MacBook Pro (Late 2019, 16”)

So I've just bought the latest MacBook Pro (late 2019, 16") and bumped into the common issue of not finding 1 piece of Ethernet adapter. I want to use only Apple made adapters, so I'm left with ...
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1answer
50 views

how to stop this bogon host running from my macbook?

I have noticed from my macbook a new hostname is exposed with the name bogon even if I block this mac address on the router, it comes up with a new one. And do not have any clue where is it coming ...
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2answers
49 views

USB Ethernet to WiFi Internet sharing does not work

I have a MacBook Pro Retina 2012 running Mojave. I was using USB ethernet on my Mac and sharing that as a WiFi to my android phone. All was stable. Last week I had a partition error while I was ...
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0answers
23 views

how can I prevent conflict of wifi and ethernet

I have a 2018 MacBook Pro—retina, no touchbar, 13", two USB-C ports. I have a USB-C 'dock' with HDMI and three USB 3 ports. I want to use hardwired Ethernet to offload the wifi, but I don't want to ...
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1answer
109 views

Network problems with a MacMini 2018

I am experiencing weird network problems with a MacMini 2018. At my home, I am connected through Wifi: No Problem. In a different house, I try to connect via Wifi, "impossible to connect". And it's ...
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0answers
38 views

Macbook Pro 16" 2019 limited to 100 Mbps upload on both ethernet and wifi

I have two Macbook Pro 16" 2019s (one for work, one for myself), an iPhone 11 Pro, and two linux desktops. My internet is symmetric gigabit fiber. The iPhone gets 500 Mbps up, 500 Mbps down using wifi....
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2answers
134 views

Creating a static route through a specific interface

My problem involves a High Sierra Mac Pro, a NAS and an old house. Things are like this: Mac Pro and NAS sit close together, and are connected via bonded Ethernet through a switch allowing for ultra-...
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1answer
401 views

What dowload speeds is the Apple USB Ethernet Adapter capable of?

I have a 2014 MBP running 10.13.6. The first two pics show my baseline ethernet performance, with the Speedtest desktop app, and with Fast.com, respectively. I get this same performance with ...
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0answers
42 views

Non-HTTPS websites don't work over Anker ethernet adapter since Catalina

I'm having a weird bug where my Anker USB-C hub is messing with the ethernet connection. I can only visit HTTPS sites and HTTP sites get redirected to a page saying: Router Behind Router Detected ...
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1answer
43 views

Should I use Wi-Fi and Ethernet at the same time? [duplicate]

I'm on macOS Mojave, and was wondering if I should have Wi-Fi and Ethernet on at the same? Are there advantages to keeping on at the same time, or will doing something like this cause any problems or ...
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0answers
1k views

2020 Mac Mini Ethernet port issue

I just bought a 2020 Mac Mini with 10 gigabit ethernet. I plugged in a cat6 cable into the mac mini's ethernet port and connected it to the wireless router, but it won't connect to the internet, ...
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0answers
14 views

Wifi automatically turns off when ethernet connects

I have a need for Wifi and ethernet to be up and connected at the same time. The Wifi is connected to the internet and the ethernet is connected to other computers on the local ethernet. The local ...
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1answer
634 views

Ethernet not working after installing Security Update 2020-002 10.14.6

Mac OS X showed that a new update was available on my MacBook Air (2019) which I connect to the internet with using a USB-C to ethernet connector. [ I don't use wi-fi at all for health reasons.] After ...
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1answer
778 views

AX88179 ethernet adapter keeps dropping connection

I am running macOS Catalina 10.15.3 with a USB-C hub from Minix, which has an ethernet port. Inside is an AX88179 chip for which I installed the correct driver. When I start my MacBook or when I plug ...
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2answers
173 views

Will ethernet work off of Thunderbolt/mDisplayPort/Ethernet adapter?

I'm trying to restore from Time capsule (via fresh recovery). Attempting to use Ethernet so the restore is faster. So I'm using an old mini displayport Ethernet adapter I have. But my MacBook needs ...
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1answer
87 views

Share iPhone internet connection with entire network through router

I want to share my iPhone's cellular internet connection over wifi to a router, and have clients be able to connect to the router using either wifi or ethernet and get internet access transparently. ...
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0answers
344 views

Unable to connect via wired connection and getting self-assigned IP address error on Macintosh Catalina. What should I do?

Unable to connect via wired connection and getting self-assigned IP address error on Macintosh Catalina. What should I do? I already restarted my fiber-optic router/modem, computer, and renewed the ...
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0answers
49 views

Thunderbolt Ethernet and external monitor causes screen glitches (MBP2013)

I'm using an official Apple thunderbolt-to-ethernet adapter and also connecting to an external monitor via the other thunderbolt port. I'm using a MacBook Pro, late 2013, with and updated Mojave. ...
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1answer
118 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 ...
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0answers
75 views

Can't answer phone call if connected with both ethernet and wifi

I have followed all the steps listed on: https://support.apple.com/en-us/HT209456 Works fine if I'm only connected to either ethernet OR wifi, if I have both connections active (even tho they are the ...
1
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1answer
102 views

Ethernet Not Visible In Settings

On my iPad 2017 (5th Generation) the Ethernet section in Settings (see image below) is not displayed. Do I have to unlock it somehow (similar to Developer Tools on Android) or is this feature simply ...
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0answers
75 views

ARP cache seems to forget hostnames of other devices on the network

For the sake of this question, I'm trying to access the server from a MacBook Pro, running MacOS 10.15.2. I have a home server running Debian that I want to be able to access from both within and ...
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0answers
42 views

Every sunday I have to reboot mac in order to re-establish Ethernet/Lan connection

I have a MacBook Pro 2018 running Mojave. At the end of the week - Sunday - or I can wait until Monday - but I have to reboot in order to re-establish Ethernet/LAN connection. I did some searches - ...
3
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1answer
172 views

Which USB ethernet classes does iOS support

Firstly, I posted the same question on stackexchange and did not know about this community. I'm busy with a USB ethernet implementation to provide an ethernet connection to an iPhone over USB. I'd ...
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0answers
115 views

Connect to Raspberry Pi via Ethernet while connected to Internet via Wifi

I have Macbook Air with a USB-to-Ethernet adapter connected to an Ethernet cable that is plugged into the Ethernet port of a Raspberry Pi. When I turn off my Wifi, I can VNC/SSH into the Pi. However, ...
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0answers
305 views

USB-C to Ethernet adapter on Mac with jumbo frames

I have to work with a scientific camera and acquire images via Ethernet on a MacBook Pro 2019 with 4 Thunderbolt 3 ports. I have a USB-C to Ethernet adapter, and I have to enable jumbo frames (9000 ...
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0answers
40 views

Can't connect to Internet except via a VPN [duplicate]

A couple days ago all of a sudden my laptop stopped connecting to the Internet. For instance, if I open the Chrome browser (64-bit version 78.0.3904.97) and enter in the url textbox: apple....
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1answer
144 views

Does MacOS “load-balance” TCP when more than one interface is available? [duplicate]

If an iMac has both cat-5 and WiFi connections to the world, will MacOS use them both to optimize the overall speed? Or pick only the fastest for everything (since the ISP side of the modem is slower ...
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2answers
3k views

Airport Express bringing down the entire network?

I got a used Airport Express (2nd gen, the one that looks like a white Apple TV) to extend the wifi range of my Airport Extreme (the tall white monolith looking thing).* Express rear view for ...
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0answers
808 views

MacBook Pro doesn't detect (anymore) ethernet connection via USB-C screen

I have a USB-C screen that offers hub functionnality (usb, audio, ethernet). While the screen is perfectly connected and works like it should for usb, audio, and of course video, the ethernet ...
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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 ...
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1answer
36 views

Why the same MacMini provides different MAC addresses for different OS?

I run MacOS and CoreOS Linux on the same MacMini. The same network interface has MAC f0:18:98:ea:7f:9f under MacOS and has MAC 38:f9:d3:16:96:ce under CoreOS. First one is printed on a box of this ...
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0answers
41 views

WiFi constantly taking over control on my iMac

I am using an iMac Pro running 10.14.6. I am connected to the NAS with a 10Gbit network connection. When I go to transfer large files to the NAS I check iStats Menu and notice that the WiFi connection ...
5
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2answers
482 views

How to measure local Ethernet speed

My Mac mini is connected to my router/modem by Ethernet. I want to know how fast the connection speed is between the Mac and the router. Obviously, I can use a website like Speedtest.net to get my ...
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2answers
1k views

Is there a USB-C PoE adapter for iPad Pro?

Is there a dongle which plugs into the USB-C port on the iPad Pro that accepts Power over Ethernet (PoE) so when PoE is available there’s no need to plug an additional USB-C cable to provide power to ...

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