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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Downloads slow despite nominally high speed

I am living somewhere with 100 megabit internet. I have a laptop running vista and a (new) desktop running windows 7. For some reason, I have a lot of trouble downloading things on my desktop. ...
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3answers
181 views

Why are not all MAC addresses randomly assigned?

At 48 bits, this would seem reasonably safe: you would need 751 devices on a network to have a 1/1 billion probability of a collision, and 751 devices with entirely layer 2 connections are rare -- ...
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2answers
2k views

How to disable internet access through ethernet connected to router

i have two machines 1.Windows 7(Synergy Server) connected to router via ethernet 2.Ubuntu 13.04(Synergy Client) connected to router via Wifi i want to disable internet access in windows 7 but i ...
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43 views

Ethernet switch selection [closed]

I want to build a small cluster out of beaglebone black computers, this toys support only 100Mbps ethernet and the question is what kind of switch would be the best to connect them all? I thought of ...
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2answers
5k views

cant connect to lacie cloudbox when connecting directly to PC

I have bought a Lacie-Cloudbox NAS (http://www.lacie.com/products/product.htm?id=10597) for backup my PC.I can connect it to my router and access it without problems. For the initial backup of my data ...
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2answers
84 views

Can I use a router to wirelessly connect to the internet and then share it via Ethernet?

So I have 2 routers. Router A and Router B. Router A is connected to the internet. Router B is connected to the desktop via Ethernet. From the perspective of Router B, can I wirelessly connect to ...
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1answer
149 views

Old Cat5 Network Cable With Gigabit Equipment [duplicate]

We moved into a different building a couple of years ago. Instead of rewiring everything I elected to use the existing wiring. I tested it all and only replaced the defective wires. Currently, here ...
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184 views

Can't connect to device behind switch

probably it's a very simple question, but I'm not a network expert. At home I have a modem router with WIFI + LAN (D-LINK DSL-2680), in another room I plugged a switch (Netgear GS208) and then ...
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1answer
483 views

If my router has a MAC filter, does that mean that a laptop with its wireless address registered cannot connect via Ethernet?

Here is the situation: I have a router that has been hijacked/hacked recently and we're attempting to up the security. Whilst I know MAC address filtering can easily bypassed, I'd like to clarify one ...
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1k views

Cannot connect to internet in Backtrack 5 R3

I am running a full installation of Backtrack 5 R3 on my computer (no VM) and have a working ethernet connection to the local network. I am able to access the intranet sites, but cannot access the ...
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1answer
376 views

Specific ethernet cable not working with router only, but works with NIC

I have a DLink DIR-605L, which is a 10/100 Mbps (non-ADSL) router. I am connected to it on a Desktop with a Realtek Network Adapter onboard MSI P45 Platinum. I also have an Asus X54H-SX137D. Both ...
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1answer
492 views

What protocol does the Wii use for Ethernet over USB?

I was disappointed when I realised the Wii doesn't have an Ethernet port, but the settings interface has support for a wired connection. Apparently there is an Ethernet over USB adapter for the Wii ...
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2answers
254 views

Regarding Home Network and Structured Panel

I have a question that maybe pretty simple for those who are little more adept at this. Recently, I've been wanting to get the Ethernet ports around my house (which was built last year) live. I have a ...
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0answers
408 views

LAN connection not working for 100mbps half/full and auto for one particular LAN point

I use unlimited broadband internet connection through LAN provided by our internet provider, without any domestic router. Recently, I am not able to connect my ACER laptop to the net as a message ...
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1answer
82 views

Connect to a Router via Terminal

How can i connect to a router via the CLI (eth or wlan) and login with the password i created? My OS is based on Debian. So if you have no GUI with suggestions that show you the available Networks ...
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1answer
562 views

Setting up DNS on mobile broadband and/or setting a system wide DNS address?

I am using a Huawei E3131b 3G dongle to connect to internet. I'm having troubles setting up DNS servers that persist across reboots. Manually specified DNS servers are not used at all if I use the ...
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1answer
163 views

Usb keyboard connected on windows, sending keystrokes to linux tty over Lan

My current set up, i have a usb keyboard connected to a windows machine, I have linux machine on Lan which has a monitor but is NOT running X.org, (synergy won't work for me). I was wondering is ...
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0answers
225 views

same pci bus address for pci slot and on board ethernet port?

The pci slot address shown is same as the one shown for on board ethernet card. There is a conflict. Not sure how to resolve it. Various command output are dmidecode -t 9 | grep 'Bus Address' ...
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1answer
613 views

My Belkin F7D4301 Router has slow wireless speeds but fast Ethernet speeds

My Belkin F7D4301 Router has the fastest wireless speed of maybe 2MBps but wired with a cat5e cable to my asus laptop of almost 7MBps. I have a one smart tv, one blu ray, one roku, and a nexus 7 using ...
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5answers
10k 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 ...
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2answers
160 views

Does Ethernet transmission distance have to be reduced with transmission speed?

I found that the distance that data transmission can be done in Ethernet has to be reduced when the transmission speed increases, which in turn leads to the use of Carrier Extension, Frame bursting, ...
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2answers
777 views

Computer connects directly through modem but won't through router

I've get some problems that kept me from accessing internet on my computer for some time. So i spent the last 6 months using wireless connection on my laptop. Yesterday, I bought a 20 meters ethernet ...
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0answers
219 views

Ethernet port on thinkpad doesn't connect but the one on the ultrabase (dock) does

I just recently bought a used Thinkpad X200s and installed Xubuntu 13.04 on it. I am have issues getting the ethernet port on the laptop to connect. I also have a Ultrabase dock for the laptop. ...
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1answer
126 views

Network connection needs to be brought up a second time at boot for networking to work on Debian 7

I am using Debian 7 on some newly designed hardware. After bootup the Ethernet is not setup correctly, but if I run an "/etc/init.d/network restart" or do an if down/up after bootup then it works. ...
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1answer
140 views

Is there a way to prioritize network speeds on networked applications?

Just as there is "high priority, normal priority etc" or "niceness" for cpu time, is there a way to do something like this for a network card/internet? For example If I am downloading a file from my ...
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3answers
565 views

Two Browsers, Two Internet Connections, 1 Computer

My mac computer is connected to my corporate network via a LAN connection. When the Mac is disconnected I can connect to our corporate wireless. The wireless is more open than the LAN connection. ...
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0answers
296 views

Windows 8 on network and self-assigned IPs

Whenever I turn off my computer, my friend's computer (who is on the same network) loses Internet access and grabs a self-assigned IP, and the router stops reporting any computers connected to the ...
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1answer
793 views

wireshark makes network working

Have a number of boards with ethernet on it. Some boards have hardware bug. When pinging such boards, not always got answers. But when running wireshark capture mode, have stable network exchange ...
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2answers
4k views

windows ethernet adapter not recognizing lan cable

Not sure if this is the right place - please refer me to another group if not. I have an issue getting my Asus laptop (Windows 7) LAN card to work. My setup is: dsl modem --> asus wireless router --> ...
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3answers
585 views

How to run a Windows application when the ethernet cable is connected?

We have a laptop that is primarily used offline, but when it is connected to our network (via ethernet cable), we would like to start a backup application. Is it possible? The network address is ...
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3answers
1k views

Ethernet hub - is it an active device?

When building a small home ethernet network, we normally use switch to connect all cables together. I remember 10 years ago it was also possible to buy a much cheaper device called hub which can be ...
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1answer
1k views

When does ethernet cabling need to be shielded?

I run IT for a small business that does primarily office type work (no manufacturing or high levels of electrical interference), and we're looking to build additional office space onto our current ...
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2answers
5k views

“Plug an Ethernet cable into this computer”?

I'm having to re-install Windows 7 onto a user's PC. Just finished with the basics, Windows 7 is re-installed. However, it can't see our network, the Internet, or anything. Running the troubleshooter, ...
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1answer
5k views

Corrupted/Missing NVIDIA nForce 10/100 Mbps Ethernet Network Adaptor

Yesterday, when I went into Network Connections in Control Panel and enabled the Ethernet feature (to use an Ethernet-based router), it disappeared from the Network Connection window. When I now look ...
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430 views

laptop restarts when ethernet cable is plugged in

Laptop (Windows 7, Sony Vaio) automatically shuts down, retarts and then after a minute shuts down, restarts etc in an endless cycle when the ethernet cable is plugged in. When the cable is removed ...
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1answer
639 views

linux <-> windows network (ethernet) connectivity over usb

problem: I have a linux box that i want to use as firewall for my Windows workstation. it has only one ethernet that is needed for the switch, but no pci expansion slots. So the only option to connect ...
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0answers
177 views

xPUD doesn't recognize Wi-Fi adapter

I saw xPUD, and decided to give it a try. It's basically the same concept as Chromium/Chrome OS - boot (nearly) straight into the browser, only it's Firefox-based instead of Chrome/Chromium-based. ...
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1answer
2k views

My pc can only work on ethernet, don't know how to activate the wifi

I have an HP Pavilion 20 All-in-One PC running with Win 8. I recently moved from the place I was living and cannot manage to establish a connection. In my old place the computer connected through ...
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1answer
287 views

Effect of adding Ethernet 10/100 printers to a gigabit network

Everything here is gigabit (NICs, router and switch) except for two ethernet 10/100 network printers. Will attaching them to my switch slow the whole network down?
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1answer
377 views

Can I use a basic ADSL modem with modem+router?

I have a TP-LINK TD W8951ND wireless Modem+Router which contains one RJ11 (phone line) port and four RJ45 (Ethernet) ports along with wireless N support. Now for some reason, my TP-LINK modem ...
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0answers
663 views

Prefer WiFi over Ethernet

I want to use my Ethernet power line adapter in order to use Wake on Lan for my desktop PC. However, once it has booted into Windows, I want it to use my WiFi by default, as the powerline adapters ...
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2answers
104 views

How to wireless connection available only to command prompt?

As in my office, the ethernet connection is full of restrictions, therefore I use my smart phone to provide a portable Wi-Fi hotspot, by which I connect and install packages using command prompt ...
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1answer
42 views

Stuck with ethernet

I have an old router that I was wondering if it would be possible to use it as a bridge as such to extend Ethernet For example Main router - Ethernet - Router 2 - Ethernet - device! Any help would ...
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1answer
443 views

Is it possible to create a network proxy that accepts connections over both WiFi and ethernet?

I have a 'traditional' home network where my ISP modem/router acts provides WiFi hotspot and 4 ethernet connections for my home PCs. I want to add a proxy server that will connect to the modem via ...
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1answer
2k views

Jumbo Packet vs Transmit Buffers

I want to increase the transfer speed between two network adapters: 1) Atheros AR8152 PCI-E Fast Network Adapter. 2) Marvell Yukon 88E8053 PCI-E Gigabit Ethernet Controller. Marvell has a "Jumbo ...
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3answers
3k views

Would connecting an Ethernet cable between 2 switches increase transfer speeds between 2 devices?

Basically I would like to know if the transfer speeds would be any faster between 2 computers if an additional Ethernet cable was added into a network between 2 switches, which are both connected to a ...
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52 views

What is the relation between interface MTU and received packets length?

Let's say that two hosts A and B communicate via an Ethernet medium. Host A has MTU 1500 and host B has MTU 1300. If A is sending a packet with length 1500, will host B receive it?
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2answers
226 views

High number of ethernet errors. Tool for testing the ethernet card?

have an Asus Sabertooth X79. I often get corrupted files. I checked the RAM, but memtest finds no errors. To avoid the possibility of disk errors, I tried copying files to tmpfs. If I copy from the ...
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1answer
7k views

Generic Ethernet drivers for WINDOWS

Background: I have a custom built box that I like to setup with multi-boot using GRUB2 and having Windows 7 x64, latest Linux Mint x64, and couple other Linux/Unix distros. I've had this setup ...
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3answers
22k views

“Ethernet” doesn't have a valid IP configuration

I'm using an ethernet cord to connect to my internet and it has been working well until Thursday morning when I turned on my laptop (Windows 8) to see a yellow triangle sign in the bottom right hand ...