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.

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17
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4answers
30k views

When concurrently connected to wired and wireless ensure Windows 7 uses wired connection

When I am at my desk and my laptop is in its docking station I want to ensure that it uses its wired connection and not my wireless network. I am hoping/guessing that the preference in connection is ...
11
votes
4answers
3k views

Automatically prefer Ethernet over WLAN

Is is possible to force IP connections over the wired ethernet if it is connected and over wireless LAN if the wired ethernet is unavailabe (e.g. cable disconnected). Both network connections would be ...
12
votes
3answers
63k views

Difference between Ethernet splitter and switch

I have one Ethernet port that is wired directly to the router on another level. However, I want to run a desktop and a server both off this one Ethernet port. Can anyone tell me the difference ...
7
votes
5answers
10k views

Combining two ethernet ports

My computer has two gigabit ethernet ports on the motherboard. Is it possible to have the OS (Win XP) combine them and treat as a single 2-gigabit connection? Failing that, is there any general ...
10
votes
4answers
8k views

If a computer is connected to internet via wireless and lan both, which way Internet traffic would flow?

How does this actually work? How different ip addresses on ethernet adapter and wireless adapter are handled for internet data? I know these ip are translated in NAT table but the whole process ...
8
votes
6answers
1k views

CPU usage shoots to ~50% and stays there until suspended

This is the Windows Vista problem, seen, I think, mostly on dual processor laptops, where % CPU suddenly shoots to about 45% and stays there. Once this has happened, % CPU will never return to normal ...
4
votes
3answers
1k views

Buying another router and use as a “signal repeater” in bridge mode?

I asked about using a pc almost as a "router" and although it's a solution, I tought about just buying a second router to act as a "bridge" between my connection. (Reason: I don't want to have to keep ...
16
votes
7answers
37k views

How to Bridge Two Ethernet Ports on Mac OS X

How can I bridge two wired ethernet interfaces on Mac OS X (e.g. the current MacPro comes with two ethernet ports)? Googling turned up (e.g. this Apple forum post and this openvpn post) that this is ...
12
votes
9answers
4k views

“Modern” Ethernet over coax

So, I've just bought a house. It's reasonably new - built in the early '00s. One of the features that got built in was a cable TV drop in every room. The cabling is gorgeous - there's even a wiring ...
12
votes
3answers
3k views

Will multiple switches slow transfer speed

I want to create link between a data server (It's more like NAS) and around 300 computers. Data transferred per day is around 2GB/computer and speed really matters. If I use a single switch it would ...
11
votes
4answers
3k views

Wrong order in CAT5 cabling — does it matter?

I've got in-wall CAT5 wiring in my house. The wall sockets were done by an electrician and the requirement was straight-through T-568B, but I think he got it wrong. When I use a cheap cable tester, I ...
10
votes
7answers
5k views

Should I use a network hub or network switch?

I want to put a networking device on an Ethernet connection between 2 digital devices. The communication will be 1-to-1; there will only be 2 devices connected through the networking device. And I ...
6
votes
3answers
11k views

Windows 8 doesn't automatically join Wi-Fi network if Ethernet connection is active; router prevents Ethernet devices from seeing some Wi-Fi devices

In Windows 7, my laptop would automatically join both an Ethernet network and the Wi-Fi network in my house (both going through the same router). In Windows 8, if the Ethernet connection is present, ...
3
votes
1answer
2k views

Why have my network interfaces been renamed after installing Ubuntu, and how do I rename them back?

I have a low power server, with 4 ethernet sockets. It was running Fedora 11, with 3 of the network sockets named eth0, eth1 and eth2 (the final network socket was not in use --- it was eth3 but ...
3
votes
5answers
1k views

Moving large files between Windows machines

I need to move a large file from one laptop to another. Can I just join the two machines with an ethernet cable and create a shared folder on my desktop or is it more complicated than that? Update ...
3
votes
5answers
2k views

Make SATA drive a router drive

I have a 1 TB seagate SATA hdd, i want to connect it to my linksys wireless router using ethernet... *I dont want to buy a new Drive, but use an existing one, maybe with some kind of external casing. ...
3
votes
3answers
2k views

Ethernet Port Troubles

A copy of an email I sent to company I bought my PC from last December. Does anyone else have any further suggestions? Basically yesterday my Internet connection went down, and my diagnosis ...
2
votes
4answers
1k views

How To Add An Ethernet?

I was wondering how can I add an ethernet connection to a desktop computer that does not have any ethernet connection. I am using Windows XP Pro. I want to add internet cable to my computer but I ...
1
vote
1answer
1k views

How to connect 2 routers (Asmax and D-link) RJ11 vs RJ45 issue

I just bought a new router, D-link DSL 2641B and want to connect it to another one, provided by my ISP, Asmax AR 804MP. Previously, I had Linksys WRT350N, and there was no problem, while I had ...
1
vote
2answers
2k views

Why is the network speed on my Mac Pro (early 2009) so slow?

I have a really weird networking issue on my Mac Pro (Early 2009). I can’t get higher network speeds than about 2MBit/s. It doesn’t matter if this is over AirPort or one of the Ethernet ports. An iMac ...
1
vote
2answers
4k views

resolv.conf not working properly with Ethernet in Ubuntu

I have a Lenovo X200 laptop on which I am running Ubuntu 9.10. Recently, (I assume after some updating, but I really don't know) my ethernet port stopped working under Linux. A more tech/linux-savvy ...
0
votes
3answers
5k views

Routing internet through ethernet to a computer without a Wireless adapter

I'm setting up a small home network. I have a laptop which connects to internet wirelessly- that works fine. I have a desktop connected to this laptop by an ethernet cable which I'd like to access the ...
16
votes
5answers
6k views

Ethernet vs TCP vs IP?

What is the difference between Ethernet, TCP, and IP in simple (simple abstract) terms? Please do not copy from Wikipedia...
12
votes
7answers
26k views

Why is my laptop favoring the wireless connection over my LAN connection?

When my laptop comes out of sleep, I have to typically wait about 90-120 seconds before my network (wireless or NIC card) 'wakes up'. During that time, I see my wireless connection with 'limited ...
5
votes
3answers
11k views

Mac OS X automatically turn off Airport if ethernet cable is plugged in

I have a Macbook Pro with Snow Leopard, any way to do this?
0
votes
3answers
1k views

Touchscreen over Ethernet (with video?)

I've got touchscreen which has a VGA output and a USB (or alternatively, serial) connection which acts like a mouse (for the resistive touch part). I've got Cat5E cabling in my house, and would like ...
13
votes
5answers
45k views

Wireless vs. Wired: which is faster?

I have the option of hooking up my machines to the internet either wirelessly or via ethernet cable (wired). I'm curious as to which is faster; the approximate wireless signal strength (average) is ...
10
votes
4answers
19k views

How to take advantage of two Internet connections (WiFi / Wired)?

I have two separate internet connections, one through WiFi and other Wired. However, generally I have observed that Windows try to use only one ( mostly faster one/ Or Wired by preference - I am not ...
7
votes
3answers
8k views

Can I connect to two networks simultaneously with two Ethernet cards?

I have a LAN in my building that uses the 10.10.19.* IP range. In addition, I have an ADSL connection at home that uses the 192.168.1.* IP range internally. I also have two Ethernet cards. Is there ...
1
vote
1answer
87 views

I have 4 Ethernet RJ45 ports which were limited to 200KB per second. How to use all 4 ports to speed up my network connection?

I have 4 Ethernet RJ45 ports under my desk. The speed of those ports were limited to 200KB per second. Is there a way to use all 4 ports to speed up my network connection? What I want is 200KB X 4 = ...
9
votes
1answer
61k views

How can I share a laptop's Wi-Fi connection through its Ethernet port?

I have two laptops, one with a working Wi-Fi connection (Laptop 1) and one without (Laptop 2). As I have no Ethernet plugs nearby I want to connect Laptop 2 to Laptop 1 via an Ethernet cable so that ...
4
votes
2answers
3k views

What can cause auto-negotiation to fail on network?

Imagine you have both computer with a NIC that do gigabit with a router that do gigabit. What can cause auto-negotiation to fail on network ? (with proof if possible)
4
votes
4answers
24k views

Can't bridge WIFI and ethernet, because wireless disconnects when I connect ethernet cable

I want to Bridge my Windows 7 laptop's wireless and wired adapters. I just select my ethernet and WIFI adapter, and choose create bridge. However when plugging in ethernet cable, instantly my WIFI ...
4
votes
1answer
551 views

Would firewire networking be better than 100Megabit ethernet?

My office network has a fully switched 1000Megabit ethernet network. I have an Apple iMac with a Gigabit NIC and FireWire, and a Compaq laptop with a 100Megabit NIC and a 4-pin FireWire interface. ...
2
votes
1answer
4k views

How to set the same static IP address for LAN and wifi interfaces on a Win7 laptop?

When I'm at my desk at home, I connect to my network through my Ethernet LAN port. Sometimes however I have to get up and move my computer around (such as to connect it to a TV in another room), so I ...
2
votes
1answer
6k views

Windows 7 Set Default Network Connection

How can I set the default network connection to be Ethernet. It seems my wireless card in my new laptop becomes active before the Ethernet and leaves me with that connection which is much slower than ...
2
votes
5answers
12k views

How do I know when my on-board ethernet is dead? (Realtek 8112L LAN controller w/ AI NET2 )

So I have an ASUS P7P55D-E Pro motherboard. It has an on-board Realtek 8112L LAN controller w/ AI NET2. I suspect that my LAN controller is dead but I don't really know for sure. This is what I know ...
1
vote
1answer
575 views

How to setup VLAN on same subnet as Ethernet

So this is what i'm trying to do: I have a physical NIC with dev name eth0 with ip 192.168.1.2 and gateway 192.168.1.1 and I want to setup a VLAN with ip 192.168.1.x and same gateway as eth0. ...
1
vote
3answers
696 views

How do I wire a crossover cable to connect two devices together?

I need to make a ethernet crossover cable to connect two devices together. Anyone know the process to make one from scratch?
5
votes
3answers
8k views

How do I find out the speed of an Ethernet cable?

During the years I've collected many ethernet cables. I'd like to know the speed of each one (10Mbit / 10BASE-T or 100Mbit / 100BASE-TX or 1000BASE-T). How could I find out the speed of each Ethernet ...
4
votes
4answers
5k views

Bridging Wifi to Ethernet on Ubuntu not working

When running Windows I was able to bridge my wifi connect through my laptops Ethernet connection so a range of ethernet only devices could piggy back off my wifi (Raspberry Pi, Xbox etc etc). I am ...
4
votes
2answers
12k views

Can I use an Apple AirPort Express as a wireless-to-wired bridge?

I have a wireless network using an Apple AirPort Extreme. That device is set up in my office and hooked up to the cable modem. I have a TV in another room which can accept a wired internet ...
3
votes
3answers
196 views

Is there a way to stop my Windows 7 laptop from connecting to the Wi-Fi if the ethernet cord is plugged in?

Essentially I want to have my wireless automatically connect to the router, but only if the ethernet cord is disconnected. If the ethernet cord is connected, I don't want it to automatically connect ...
3
votes
4answers
3k views

Under what circumstances can/will a 10BASE-T device slow down a 100BASE-T or faster network?

Suppose I have a 10BASE-T device, but everything else on my network is 100BASE-T or faster. When I attach the 10Mbit device, one of two things could happen: It could be passed through as 10BASE-T, ...
2
votes
2answers
67 views

Determine my network card? [duplicate]

I've got a fresh install of Windows, but I just noticed that my ethernet card will not work. Checking the device manager, it appears as "Ethernet Controller" and is missing a driver. Is there any way ...
2
votes
1answer
2k views

Installing ethernet controller driver after clean windows XP install

I've been having trouble getting internet access through an ethernet connection since doing a fresh install of windows XP. It appears that I'm missing the driver for the ethernet controller. Looking ...
2
votes
2answers
348 views

Doubling bandwidth with 2 ISPs

For about another week I'll be connected to 2 providers simultaneously from home. I thought this could be a great time to double my bandwidth (I have ADSL + HSDPA) thanks to the fact that my computer ...
2
votes
2answers
3k views

How can I secure an Ethernet-over-power network?

I just bought myself an Ethernet-over-power adapter, and plugged it in. It seems to be working great, but now I'm concerned that my neighbours may be able to access my network. I live in a rowhome ...
2
votes
4answers
535 views

Linux ethernet traffic capture

What programs under Linux can capture ethernet traffic? And which ones from them are maintained and most comfortable?
2
votes
6answers
11k views

convert home phone wiring to Ethernet

can i convert phone wiring in walls to act as only Ethernet network cause the phone wiring is not in use and not connected to the phone company so there is no voltage in the wires i remove the wall ...