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Questions tagged [ethernet]

A family of networking technologies for LANs. Ethernet encompasses bother the physical connection between devices and part of the protocols which define how the connected devices can communicate.

114 votes
19 answers
57k views

How do I physically prevent people from unplugging an Ethernet cable?

We have a crowded computer laboratory. We render free Ethernet ports for laptop users. But they don't carry their Ethernet cables with them, they unplug cable of a fixed desktop PC and plug it to ...
79 votes
8 answers
159k views

The locking clip/tab on my Ethernet cable's plug is broken. How can I fix it?

I have a 10 meter long Ethernet cable. One plug has the little locking clip missing, just like missing the part in red ellipse in the following picture. How can I fix it? Is this something I should ...
Tim's user avatar
  • 17.3k
60 votes
12 answers
11k views

How do I Connect a 30yr-old Tandy 1400LT laptop to the internet?

Just for the fun of it, I want to get an old Tandy 1400LT laptop: NEC V20 (Intel 8088 equivalent) 640 KB RAM 9'' CGA backlit monochrome display two 3,5'' 720KB DD floppy drives RS-232C serial port (...
Clemens Bergmann's user avatar
48 votes
9 answers
16k views

Why am I getting 950 Mbps up but only 360 Mbps down on Gigabit Ethernet?

I got two desktop computers talking to each other directly. They both have Gigabit Ethernet capable network adapters. That's 1 Gbps or 1000 Mbps. I have them connected with a brand new 10 meter long ...
43 votes
8 answers
167k views

Will an Ethernet splitter work?

I have a room with only one Ethernet cable going there, but I would like to connect two devices on it. Is an Ethernet splitter suitable for that? I am talking about something like this: In theory it ...
midlan's user avatar
  • 543
42 votes
7 answers
200k views

Why does just splitting an Ethernet cable not work?

I thought the Ethernet is logically a one-line communication bus (for argument's sake, I am excluding hubs). All machines attached on the bus hears the same signals and the machines themselves try to ...
Damn Vegetables's user avatar
41 votes
4 answers
21k views

Is there any harm of leaving Ethernet outlet unplugged?

I was wondering if leaving an active Ethernet port with no plug in it was safe . We have one in our kitchen right next to our face level and I was wondering if leaving it unplugged in the open was ...
John doe's user avatar
  • 367
39 votes
4 answers
9k views

How should I connect 7 devices to a switch module with four ethernet interfaces? Is there a preferred topology?

I have a router/switch with four switch ports on the back, to which I need to connect seven devices. Is there a reason to prefer one or other of the below topologies, or would a completely different ...
user200783's user avatar
38 votes
4 answers
165k views

Is there an Apple USB Ethernet driver for Windows?

I recently needed an Ethernet adapter for my laptop, which has USB and WiFi (of course) but no Ethernet. Somebody offered me an Apple USB-to-Ethernet adapter. I figured Windows would offer the driver ...
CBHacking's user avatar
  • 6,284
37 votes
6 answers
45k views

Can you plug the computer directly into the wall to access the Internet? [closed]

My system is essentially: Wall -> Ethernet -> router -> Wi-Fi -> computer But I'd like to simplify it for this purpose and just do: Wall -> Ethernet -> router -> Ethernet -> ...
user avatar
36 votes
3 answers
8k views

How is uniqueness of MAC addresses enforced?

Again and again I read that devices are uniquely identified by their MAC addresses. But how are MAC addresses determined? (And do they tell us anything about the device which they represent?)
Jellicle's user avatar
  • 2,294
36 votes
9 answers
147k views

How to remove all the vEthernet (Default Switch) once and for all?

As in the screenshot above, I don't know why the vEthernet (Default Switch) on my Windows 10 laptop keeps reproducing itself and auto connecting to it everytime I shut down and switch on the laptop. ...
compski's user avatar
  • 757
34 votes
6 answers
286k views

How to unplug a network cable that's stuck?

I have plugged a network cable into my PC to temporarily adjust some settings on my router. Now I can't unplug it. The cable is physically stuck in the RJ45 port. I've tried squeezing every part of it ...
Nathan Osman's user avatar
  • 2,782
33 votes
7 answers
62k views

How can I tell which network interface my computer is using?

On a MBP (OS X 10.6.2) I've got the wired ethernet and wireless airport configurations set up to use the same static IP to my router (e.g. as described at http://forums.macrumors.com/archive/index.php/...
Ether's user avatar
  • 1,167
33 votes
7 answers
52k views

Ethernet cable too long?

I have an Ethernet cable running from a Huawei ADSL router to a computer> The total length is 61 meters (200 ft). When connected to the computer, a cycle of identifying, disconnected, identifying, ...
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