a networking technology for a LAN that allows data transfer

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4
votes
4answers
24k 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 ...
0
votes
2answers
2k 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) ...
4
votes
2answers
1k views

How to spoof a USB-Ethernet adaptor 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 ...
0
votes
0answers
20 views

Lenovo USB 3.0 Ethernet adapter (MacBook PRO)

I have a Deltaco USB 3.0 hub which I've connected a Thinkpad USB 3.0 Ethernet Adapter. When I boot, or wake, my MacBook Pro (late 2013) won't detect the network interface to be connected at all. I ...
0
votes
3answers
2k views

WiFi wont work but Apple Ethernet Will?

I just got back to school today after using Ethernet at home. The WiFi claims to be connected to my Macbook Pro, but I can't get any internet out of it here after an entire semester of working. I ...
0
votes
1answer
21 views

Routing traffic internally from Ethernet-Thunderbolt adapter to Ethernet

I have Mac1 connected via ethernet to a router. The Mac1 has the IP 10.0.1.5 On this IP I have a Python-server listening to incoming UDP packets. Now there is another Mac2 connected to Mac1 via a ...
10
votes
4answers
8k 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)"" ...
0
votes
1answer
28 views

Airports, Wifi Roaming, and Ethernet Backhaul

According to Apple's Wi-Fi base stations: Setting up and configuring a roaming network (802.11 a/b/g/n), there's an implicit assumption that I want to use a wireless for everything. That is, the ...
3
votes
2answers
220 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 ...
0
votes
0answers
41 views

My TB/Ethernet adapter is not detected by my rMBP

My rMBP has two thunderbolt ports, one of which has a VGA adapter plugged in (works fine, in both ports), and the other has an Apple Thunderbolt to Gigabit Ethernet adapter. This is the second such ...
0
votes
1answer
22 views

Can't install Lan9500 driver properly

So I recently bought 4-port Lenovo USB hub with LAN. It came with a driver I needed to install to get the LAN to work. But the documentation said that the USB hub should be unplugged while installing ...
2
votes
1answer
42 views

Create private network wifi from Mac to iPhone, from ethernet

Situation: I use my mac's ethernet for internet, because my apartment doesn't have a working router. However, I need wifi for my iPhone. Wifi is available from other apartments in the same building, ...
1
vote
3answers
6k views

How do I remove the ethernet 802.1x settings in Mountain Lion

I made a stupid 802.1X settings file some time ago to test some things. Now I am unable to remove it, even though I think I have deleted the file. The picture below shows the 802.1X profile to the ...
1
vote
1answer
31 views

How to be sure my Mac is fully disconnected?

On many occasion thinking that my Mac was disconnected from any form of network (with or without wire), I discovered that in fact it was confortably chating at full speed with the rest of the world ...
0
votes
1answer
68 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 ...
6
votes
2answers
8k 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 ...
0
votes
0answers
155 views

Apple TV 3 drops ethernet connection on 2 seconds

I have a problem with ethernet connection on my ATV3. It started about one month ago. ATV randomly drops ethernet connection for a two seconds. Here is the screenshot from my router: I'm already ...
1
vote
1answer
122 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 ...
0
votes
1answer
68 views

USB 3.0 to gigabit ethernet keeps crashing system with 10.10.1/2

I have this Realtek USB 3.0 to gigabit ethernet adaptor. Using either the included drivers for OS 10.8.x or the official Realtek drivers from December 2014, it hard crashes the system every 5-10 ...
0
votes
1answer
46 views

Can't see other Mac workstation via ethernet but OK over Wi-Fi

So, I upgraded router to latest DD-WRT firmware. Now, for some reason, can't see my Mac Desktop from my MacBook if connected to Ethernet. Macbook has DHCP, Mac Desktop has DHCP with manual IP. I can ...
0
votes
1answer
100 views

How to use internet on a Wi-Fi only iPad in a residence with no Wi-Fi?

I want to speak on Skype on my Wi-Fi-only iPad Air iOS 7 from my residence. However, the people tending the residence don't want to install Wi-Fi. There are only ethernet cables. Here's what I've ...
0
votes
0answers
39 views

Find the Ethernet connection speed on an AirPort router

The AirPort Utility apps (both iOS and OS X versions) previously were able to show the connection speed of an AirPort router's Ethernet port. Recent versions of the app, for some reason, were stripped ...
2
votes
1answer
114 views

Bonjour visibility dropping over ethernet only

I'm using a recently purchased 2012 Mac Mini and installed the latest Yosemite. So far, it's being used headless as an iTunes server and I also have OS X Server 4 running on it for some basic home ...
18
votes
16answers
13k views

Intriguing connection issue on OS X

I've been recently having this issue with my internet connection on my MacBook Pro Early 2011 running OS X 10.8.3: from time to time the connection "freezes" for about 5 seconds and then comes back. ...
0
votes
1answer
128 views

Airport Extreme and 10/100 Ethernet Switch

I have an Airport Extreme (with Gigabit Ethernet) connected up to my cable modem, my Mac, and my PC. I have one spare port on the AE and thought about hooking up a spare 10/100 Ethernet Switch I have ...
0
votes
4answers
6k views

2010 MacBook Pro does not DHCP on a certain network (WiFi and Ethernet)

As the title suggests, My Mac will not receive an address via DHCP from a certain network. No matter if it's connected via WiFi or ethernet, it always fails. Even when I boot into Windows 7 there's no ...
3
votes
2answers
821 views

Set Mac to use Wifi for Internet, Ethernet for local file transfer

Is there a way to make my Mac always choose Wifi for Internet browsing, and Ethernet for local network browsing and file-sharing? My Wifi Internet download speeds are approaching 100Mbps, but when ...
0
votes
1answer
49 views

Ethernet cannot see RTA1025W modem (wi-fi can)

At home I have a Dynalink RTA1025W DSL modem. MBP can obtain IP via WiFI MBP cannot see modem or get IP via ethernet. Ubuntu/Win7/Win8 can get IP via the same ethernet cable & modem. At work: ...
0
votes
2answers
1k views

Turn mac into a personal hotspot while connected to network via wi-fi

I have two computers, one is a mac and the other is a windows PC. My mac is connecting to a home network through Wi-Fi but my windows PC isn't picking up the signal. I want to turn my Mac into a ...
0
votes
0answers
43 views

Share Forticlient from wireless to ethernet

I have an IP Phone that I want to connect to the ethernet port on my iMac. I have installed the FortiClient (running SSL mode) to connect to my office. I connect the iMac to my router via Wireless. I ...
0
votes
1answer
5k views

Unable to set up lan in macbook pro ( with retina display)

In macbook pro there is no lan port, for that I bought lan to usb connector. But I am unable to setup net-connection. In System preference > networks there is no ethernet option. I tried this ...
1
vote
2answers
4k views

Self-Assigned IP on Ethernet (en0)

Past few days my internet has been automatically getting a Self-Assigned IP on en0. I heard it does this when it can't retrieve a DHCP Server from the ISP. I've tried these solutions below. ...
0
votes
1answer
693 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.
3
votes
4answers
15k views

Apple A1277 USB ethernet adapter not working on MacBook Air

I've bought a USB ethernet adapter (A1277) and tried to make it work on my MacBook Air MD231 (mid 2012) and may OS is OS X Mavericks, but It's not working. I tried adding USB ethernet connection in ...
0
votes
3answers
3k views

Where could I get my networks domain name?

I am trying to determine domain name of my network. I tried some programming methods, commands but i could not get domain name of my network.I got ip address using cat /etc/resolv.conf I was doing ...
1
vote
3answers
535 views

Thunderbolt monitor Ethernet adapter causes network preferences pane to crash

I have a 2014 Macbook Pro 15" running 10.9.3, connected via Thunderbolt to two Apple Thunderbolt monitors. Each monitor has an Ethernet jack. The Ethernet seems to pick up an IP address, but doesn't ...
0
votes
1answer
720 views

Ethernet connection turns off when my Mac idles

I often leave my Mac for some time to do assorted tasks. When I return and log into the screensaver, I can't visit my homepage, Google, because the Ethernet connection has disconnected, requiring a ...
0
votes
2answers
439 views

Do third-party USB ethernet adaptors work in Macbook Pro Retinas?

There seems to be conflicting information on the web, so I wanted to check if there are any problems buying a third party ethernet adaptor (eg this one). This is for a current (mid 2014) 15" rMBP. ...
0
votes
2answers
36 views

Ethernet Switching Problems

In my office I have 2 ethernets to work with... 1 is kinda closed, primarily for development purpose... with it I have access to important stuff that i use very oftenly, such as web-services and ...
0
votes
0answers
144 views

OSX 10.9 insist on connecting with WIFI despite also having an ethernet connection

OS X 10.9.4 (13E28) Having 2 type of connections available USB/ethernet and WIFI I want to connect both of them because I want to connect to different devices (which don't support that kind of ...
0
votes
3answers
313 views

My Macbook can connect to ethernet over Ubuntu but not OS X

I'm currently dual booting Ubuntu 14.04 and OS X Mavericks (10.9.4) on my 2014 Macbook Pro. When running Ubuntu, I can plug in the Ethernet cable and instantly be connected. But when running OS X, ...
2
votes
2answers
1k views

Can I share my iMac's internet connection via ethernet

My iMac connects to the internet (and my local network) via WiFi. Is it possible for me to connect another device via ethernet cable to my iMac to access the internet from that device?
2
votes
0answers
397 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 ...
1
vote
2answers
207 views

Connect NAS with static ip over ethernet with MBP

I have a WD MyBook World NAS with the set static ip 192.168.0.102 (subnet mask 255.255.255.0) - it might be also defined that the router ip is 192.168.0.1 but I can't remember. It works great on my ...
0
votes
3answers
494 views

How can I update the firmware in my router via tftp?

I'm going to flash my wifi-router with alternative firmware by following these instructions on my Mac but I'm struggling with the step Set Your server's IP-Address to 192.168.1.15/24 I can't ...
1
vote
1answer
3k views

New USB ethernet adaptor not recognized on network at work

I recently purchased a new USB ethernet adaptor for my MacBook Air (running 10.8.5) direct from the Apple store, but it doesn't work on the ethernet network at work. The old USB ethernet adaptor works ...
0
votes
2answers
1k 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 ...
0
votes
1answer
4k views

Multiple macs self-assigned IP on ethernet (wifi okay though)

I have a small CAT-6 ethernet network featuring a Cisco 18-port switch and an Asus router acting as DHCP server. Various devices connected to the switch (e.g. printer, NAS) connect to the DHCP server ...
5
votes
3answers
10k 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 ...
43
votes
3answers
39k 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?