a networking technology for a LAN that allows data transfer

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4
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1answer
404 views

Built-in Ethernet not working

I am using a 13" MacBook Pro (mid 2012) and I have upgraded to OS X 10.11 El Capitan a while ago. Last night before going to bed I switched off the computer. Since this working the built-in Ethernet ...
4
votes
1answer
524 views

Thunderbolt bridged with ethernet gives poor performance

I have both iMac and MBP, so I thought it might be a good idea to connect MBP to office network through iMac with thunderbolt bridge. The setup is quite simple: office server <- 1GbE -> cisco ...
2
votes
1answer
218 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 ...
2
votes
1answer
729 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 ...
2
votes
1answer
560 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 ...
1
vote
1answer
442 views

How can I share my Macbook's Network to iPhone, surpassing the 802.1X protection?

My school provides ethernet, which my Macbook can easily connect to. I want to share it with my iPhone, but it indicates that 802.1X protection has forbidden me to do so. Is there a way to surpass the ...
1
vote
1answer
46 views

Can Airport Extreme have a separate network using XBrand modem connectted via Ethernet

I have recently added solar to my home. There is a monitoring system to monitor the panels inverter via a wireless connection to their gateway that connects via Ethernet to my Airport Extreme router. ...
1
vote
1answer
39 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 ...
1
vote
1answer
379 views

Two local networks: routing confusion

On my 17" MBP (running Mavericks) I'm sometimes signed on to two different LANs, one with my AirPort interface and one with Ethernet. My Networks are set up (in the Network System Preference Panel) ...
1
vote
1answer
1k 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
1answer
77 views

How to fix Thunderbolt Ethernet slower than wifi Macbook Pro?

I recently bought a gigabit Thunderbolt to 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
votes
1answer
43 views

Why Gigabit Ethernet Direct Connect is not default at Macs?

Trying to connect two Macintoshs with a Ethernet cable (capable of Gigabit speed, of course) will not automatically set a gigabit connection. Instead of this, a 100MB connection is established. Does ...
0
votes
1answer
84 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 ...
0
votes
1answer
120 views

How do I choose a default 802.1x profile for ethernet? (eduroam)

The problem: I'm connected to eduroam on an iMac, but only via ethernet. After restart/sleep/lock it automatically switches my 802.1x profile to the Wifi instead of the Wired. I have to manually ...
0
votes
1answer
526 views

“Internet Sharing” via “Ethernet” is not working

I'm using OS X El Capitan (10.11) on my MacBook Pro (Retina, 15-inch, Early 2013) and I'm trying to use System Preferences -> Sharing -> Internet Sharing feature and something isn't working... I made ...
0
votes
1answer
201 views

iTunes downloading movie faster over WiFi

For some reason iTunes will download a movie faster over wifi than with ethernet on my home network. When I do a speed test the ethernet connection appears to be a few mbps faster though... Why would ...
0
votes
1answer
201 views

Thunderbolt Ethernet Bridge; Very slow outbound packets to LAN and Internet

My 2012-era MacBook Air is connected to a 2012-era iMac via a Thunderbolt cable. The iMac contains a Thunderbolt-Ethernet bridge which in theory should allow the MBA to (1) participate in extremely ...
3
votes
0answers
83 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 ...
3
votes
0answers
167 views

Internet sharing disabling Macbook Wifi

So I wanted to share the Ethernet connection through my Wifi to my phone, since it is having problems connecting to my router at home. My Wifi works fine on it's own. My ethernet connection works ...
2
votes
0answers
466 views

Airport Extreme (5th gen) throttling ethernet internet speeds

I purchased the router in 2012, and am experiencing slower speeds than expected from my Airport Extreme. Brand new 16x4 channel DOCsis3 modem on Time Warner's approved list. 200 Mbps plan, and ...
2
votes
0answers
47 views

Apple 2 network connection says Selected Appletalk Connection can't be found

Apple ii is setup for ethernet with addon card. Link light is green, however I cannot ping google. It's setup for 10 Base T and used to connect just fine. I powered cycled my modem one day, and after ...
1
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0answers
22 views

Test ethernet cable quality

Is there a way to test an ethernet cable quality signal in a MacBook Pro retina with a thunderbolt adapter? I've searched many places but all I can find is configuration issues. My configuration is ...
1
vote
0answers
209 views

How to boot OS X with network devices in promiscuous mode?

As OSX no longer allows ifconfig en0 promisc and sees that as a bad value and does not set the device flag, what other options are there? I'd like to be able to boot and have both my Airport/WiFi as ...
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vote
0answers
377 views

Ethernet (en0) loses IP address when WiFi (en1) starts/stops

We're using the Ethernet connection as a point-to-point connection to a lighting console and then the WiFi to connect to the main network. The issue is whenever we turn the WiFi on/off the Ethernet ...
1
vote
0answers
365 views

Sound interference on Macbook Pro when connected to network via ethernet

I have discovered that when My Macbook Pro (Early 2011, Mountain Lion 10.8.5) has an active ethernet connection, there is audible audio static/interference via the headphone socket. The ethernet ...
1
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0answers
90 views

Mountain Lion Internet connectivity issue

I am system admin for my department I have recently updated all machines to Mountain lion and I am now getting reports of connection problems , the users lose their connection to the internet yet i ...
1
vote
0answers
542 views

Mac Mini Bridging to WiFi Network

I have a Mac Mini (Mountain Lion) connected to a WiFi network, getting a DHCP address from the router (ASUS N-16 Tomato). In addition, I have a headless Ethernet-only appliance (Arch Linux ARM) which ...
1
vote
0answers
262 views

Will Power Nap also be able to connect to the internet via the etherrnet adapter?

I am using a mid-2012 MacBook Air (eligible to Power Nap support) mainly connecting to the internet with an ethernet Thunderbolt adapter. I am wondering what kind of network interface Power Nap can ...
0
votes
0answers
17 views

Local LAN network does not connect after turning off wireless in Yosemite 10.10.5

The title says it: if I disconnect my Wifi the network does not come up on the cable LAN, unless if I reboot the system. Any fix for this, or workaround? Update: I get this data on my local LAN ...
0
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0answers
16 views

Hosts with both gigabit and 10GBE NICs

I have both a gigabit network (all Mac Pros, gigabit switch) and a 10gig network (subset of hosts using Sonnet Twin 10G adapters, 10BGbase-T switch). How do I get machine pairs where both have 10gig ...
0
votes
0answers
34 views

How can I use a Gigaware USB to Ethernet adapter on my MacBook Pro, running OS X El Capitan?

I recently bought a Gigaware USB to 10/100 mbps Ethernet adapter to connect my Mac to the Internet. I have followed the instructions that came with my adapter and installed the drivers. In System ...
0
votes
0answers
31 views

Why is my Thunderbolt Ethernet connection so slow?

I have a Thunderbolt Ethernet connection from my 2015 MacBook Pro Retina (El Capitan) to 1 GBit Switch and from there to a storage device. It is extremely slow in data transfer (something like 2 ...
0
votes
0answers
27 views

How to enable a complex firewire-ethernet-ethernet solution for sharing files between OSX & Windows?

I'm working on getting a Dos PC running with help from my friend. A thought occurred. I already have this setup: MacBookPro -> FireWire Ethernet -> PreSonus FireBox soundcard -> FireWire -> Mac ...
0
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0answers
79 views

Sharing internet connection from WiFi to Thunderbolt Ethernet doesn't work - no DHCP addresses are given out

I can't seem to get my MacBook Pro to share the WiFi connection over Ethernet. Here is my configuration as it appears in System Preferences: As you can see, my local Ethernet IP address is a ...
0
votes
0answers
27 views

PPPoe connection Mac Mini -no connection even though it shows connected

Got a new internet connection today and I created a PPPoe connection in Windows 7 and it works fine. I followed all the instructions given in the below websites for creating PPPoe on my Mac Mini ...
0
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0answers
14 views

Connecting a development board to MBP via usb ethernet

I have a development kit I want to connect to my MBP. Currently I'm using a router, but I'd like to do this by connecting the board to the MBP directly via a USB ethernet adapter that I have. I ...
0
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0answers
100 views

Network issues between El Capitan and Mavericks

I've just updated to El Capitan from Yosemite on my main machine. If I connect to a 10/100 router, I can get a 100Mbit/s link to it. However, if I connect to a Mavericks machine over a LAN cable ...
0
votes
0answers
18 views

Forwarding an IP:Port data stream to a MacOS Port-Device /dev/tty

We are using a Ethernet -> 4xRS232 Data Gateway (ExSys EX-6034) to record process data. The data could be read via an IP-address (w/ 4 Ports) with several protocols (UDP, IP, TCP, ICMP, HTTP, DHCP, ...
0
votes
0answers
45 views

Apple USB Ethernet Interface Name is Wierd

I recently bought an Apple USB Ethernet Adapter. It works OK. I suspect it may be counterfeit as the name displays in Chinese. Can anyone provide any insight as to where the text string for this ...
0
votes
0answers
81 views

How to make devices connected through ethernet sharing port be able to see devices on the Wifi Network

My home network is 192.168.1.0. I am sharing my wifi connection through my MBP Mid 2010 ethernet port. So my MBP is also on 192.168.2.0 as well as the device that is plugged on the this internet port. ...
0
votes
0answers
31 views

How does OSX assign TCP/IP configuration to network interfaces with internet?

So I am creating an app that automatically checks for an internet connection every 15 minutes, and as soon as it finds an internet connection, the program sends files to a remote server via FTP. I ...
0
votes
0answers
633 views

Cannot connect to LAN with USB Ethernet adapter

I had bought a Giga LAN USB 3.0 ethernet adapter for my new 12" MacBook. I just installed the driver required but the MacBook does not recognize the adapter (showing no ethernet connected) and can't ...
0
votes
0answers
56 views

OSX Network not working properly (100 write 800 read mbps!)

OK so, I have 4 computers near me and a good router (rt-n66u), and suddenly, maybe few days ago, my macbook decided that its network must be slower. I use two computers to test, one is my beefy ...
0
votes
0answers
48 views

Serial connection via Ethernet port

I have some devices that are only accessible via RS-232 cables. The problem is that I have no RS-232 to USB adapters so I can't access them. What I do have is a bunch of serial cables, most ...
0
votes
0answers
92 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
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0answers
197 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
0answers
455 views

How to Reset Ethernet Network Connection?

I use Ethernet network connections at home to create fast home network transferring files between my macs. One of the biggest problem I found is often that one mac cannot see another. It shows ...
0
votes
0answers
403 views

How can I fake ethernet interface on osx to log on app store?

Is there a way to fake an ethernet interface or port on a grilled one (MacBook Pro) except from a usb ethernet? Maybe through a bootloader? Chimera or Chameleon adding a key in boot.plist?
0
votes
0answers
1k views

Ethernet (LAN) connection not working within the Mac Mini Recovery HD

my Ethernet (LAN) connection works fine in the Mac Mini. However it doesn't work once I boot into the Recovery HD. Any ideas on why it would work in normal partition but not in Recovery partition?
0
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0answers
290 views

Can't connect to the internet through my Mac partition

I am running Mac OS X 10.6.6 on a dual boot configuration with Windows 7. Problem: I am not able to resolve domain names in Mac OS X. I have tried: Clearing DNS cache and ARP entries Rebooting ...