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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ethernet issue QualComm Atheros AR8151

I have a strange issue with windows 8.1, I'm trying to connect with an Ethernet cord. In Network Connections it states: Ethernet Do Not Use Qualcomm Atheros AR8151 PCI-E... I cannot get online ...
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10 views

Linux server to send and receive from RS-232 using socat

I'm trying to bench test a configuration where a linux server will send and receive RS-232 data from a blackbox RS-232 to Ethernet converter. I've followed this example. I've configured ser2net.conf ...
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51 views

Hp N54L Proliant microserver network driver (Windows 10)

Hoping someone can shed some light on an issue i am having after the Windows 10 upgrade. Everything on my HTPC is running 100% apart from the network (Ethernet) , wifi works fine via a dongle however ...
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1answer
22 views

can windows have two or more real(not virtual) lan connection from one Ethernet?

I am making a c# application and checking Mac address . in my computer there are three wireless LAN connection, two of them virtual and one real connection as shown in ipconfig /all . It also shows ...
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1answer
12 views

Ubuntu server does not connect to the internet anymore

I switched off my Ubuntu Server, but, when I started it, it didn't connect to the Internet. It is connected to the router via Ethernet. What can I do? Thanks
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3answers
17 views

Wireless working but ethernet not working in Ubuntu 14.04 in hp laptop

ubuntu@ubuntu-HP-15-Notebook-PC:~$ ifconfig eth0 Link encap:Ethernet HWaddr d0:bf:9c:1a:8b:3e inet6 addr: fe80::d2bf:9cff:fe1a:8b3e/64 Scope:Link UP BROADCAST RUNNING ...
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821 views

No network connection Windows 10

I recently updated my PC to Windows 10 from Windows 8. My computer is not finding my ethernet network adapter anymore and I therefore lost internet connection. My motherboard is the MSI B85-G43 and ...
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27 views

Everytime I restart router, i have to plug in ethernet cable again in wan port. Why?

I have an ADSL+2 modem to which I have connected to a TP-LINK WR740N wifi router with a 100 feet Cat6 Ethernet cable. Every time I turn on the router , i have to plug in the Ethernet cable again in ...
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1answer
13 views

Networking via Switches and Powerline ethernet

I'm interested in trying out this Xbox to Windows 10 streaming thing. Right now my setup is that my Xbox is on its own powerline ethernet switch, as is my PC, and the router is on a 3rd one. The ...
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2answers
33 views

Determine bottleneck for the Wi-Fi speed and match the Ethernet speed

The speed on my Wi-Fi is substantially less than the speed on the Ethernet. Through mtr, I don't see any substantial packet loss between the laptop to the router. I want to be able to diagnose the ...
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2answers
56 views

Wondering why this ethernet wall plug is not working?

I have an ethernet wall socket in one room which is wired to another ethernet wall socket in another room. Everything appears to be connected up correctly, but it does not appear to be functioning. ...
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10 views

HP Probook 6460b automatically disconnect wireless connection ethernet cable plugged [duplicate]

I am using HP ProBook 6460b laptop. I want to use both wireless and wired connection simultaneously. But when I am try to connect Ethernet cable on Ethernet port the wireless connection going to ...
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22 views

Ethernet LED blinks

I have HP 1000-1140ATU notebook PC. it has 2 Ethernet LED. One is White(glows when Cable is plugged and router is working.) second Orange which keeps blinking while Communication. Now my problem is ...
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1answer
62 views

Sharing internet without wifi

How can I use the Internet on two computers when I only have one Ethernet cable connected to the switch in my hostels's server room which is further connected to central sever room which is further ...
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1answer
41 views

PC no longer finds network adapter

Yesterday I came to find my computer no longer connected to the internet. It is hard wired directly to the router with an ethernet cable. When I started to investigate the problem, I found out that ...
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1answer
50 views

How to securely run two LANs on a single ethernet cable?

there are two rooms (A and B) connected by an ethernet cable (~50 meters long). All the main appliances are in Room A (router, server, firewall, smart switch…). Currently all the devices in both the ...
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36 views

What are the factors for Bad Ethernet connection?

I just made someone install RJ45 from my Living Room to my Office on two floors above the current one. Cable is Cat6 for what is worth. Thing is that when I put cables on the two ends (one to the ...
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3answers
45 views

USB connector to Ethernet (and then a router)

ok, i haven't really found an answer anywhere, but is it possible to have a usb cable transmit data through an Ethernet cable and by extension a router, basically what i would like to to is to have ...
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1answer
38 views

Can two HDBaseT receivers share the same line via an RJ45 splitter?

What I'm trying to accomplish: Allow two HDBaseT receivers to share a single Cat6 Ethernet line via a splitter. IMPORTANT: I AM NOT ASKING FOR PRODUCT RECOMMENDATIONS. I'M ASKING IF HDBaseT ALLOWS ...
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47 views

Thinkpad x200 ethernet cant connect to cisco modem (BUT to router it connects)

I got a problem with my x200 thinkpad. When I connect it with my modem/router thingy (http://www.cisco.com/web/consumer/support/modem_DPC3208.html), the connection it not established. Its get stuck ...
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45 views

100 mbps network transfers slows down PC

We have a network with many PC's. There is a 1 gbps ethernet switch with 8 ports and a 100 mbps ethernet switch with 8 ports. My PC is plugged into the 1 gbps switch. When someone on the network that ...
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52 views

convert Ethernet router into integration gateway

I need to integrate to an Ethernet proprietary network. It is IP based but doesn't implement TCP. I need a router which will poll devices on this network, and periodically post the data using ...
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1answer
28 views

Dual ethernet interaction [closed]

I was looking at the overview for MSI's new X99A motherboard and noticed that it came with two ethernet ports. I've only ever used motherboards with a single ethernet adapter so I am wondering how the ...
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31 views

Network devices down suddenly

This is a home network with many wired and wireless devices. Yesterday I plugged in a bad CAT5e cable (Orange/White and Orange - Tx- & Tx+) were crossed. It seems I lost all internet access for my ...
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1answer
31 views

Optimal advanced settings for Gigabit NIC

My laptop's NIC is gigabit and I am searching for the optimal settings on the "Advanced" menu to take advantage of gigabit speeds. The settings are: Energy Effecient Ethernet Green Ethernet EEE ...
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19 views

Unable to Connect Marantz receiver on Ethernet on D-link 2750U

I was using a Netgear router, which was connected to my BSNL internet connection working as a Modem and a Router, it was connected to my Marantz receiver as well which I use to connect through my ...
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5answers
46 views

Twisting a LAN cable in the middle of another one

Theoretically if i have 3 devices and i want to connect them through a lan cable, can i connect 2 of them with a LAN cable, then cut it in the middle and twist in a third cable. Will it work as three ...
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19 views

What is the procedure of gaining and maintaining wireless internet?

There are a lot of parts in the procedure of having and maintaining a Wifi connection (or lack thereof) that sometimes makes me confused as to what the heck is going on when I try to connect to a ...
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1answer
35 views

What does a router do?

This question in its current state may be too broad, so I'll clarify. Obviously, most routers today are a combination modem, WiFi transceiver and router, taking the signal off the phone line, ...
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32 views

HTML5 web content really slow, somehow caused by ethernet driver

HTML5 content is really slow for me, browser independent. It seems that my ethernet driver crashed recently, causing HTML5 videos and other content to load slowly, get stuck etc. I updated the driver ...
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25 views

How do I detect whether somebody is using my MAC address?

Some universities use MAC addresses of laptops to share internet. When we access to internet by common routers (universities, working place) if someone use our MAC it is a problem since data usage of ...
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1answer
31 views

Only one of two ethernet connections has internet access

Alright, this one has got me completely stumped. Among other devices, I have three computers currently connected to the same wireless router: One of them is connected through ethernet and has ...
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37 views

Ethernet will not activate on DELL/Alienware Aurora R4 box running Ubuntu 14.04 LTS

I'm running an Alienware Aurora R4 with Ubuntu 14.04 LTS and the Ethernet cable is plugged in, the light is amber, but it will not connect. It shows: NEVER USED. I've turned off IPV6 and set IPV4 ...
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1answer
134 views

Rejoin split ethernet cable?

In my apartment we have an old LAN network where every room is reached by ONE ethernet cable that splits in 2 ethernet ports, the same happens to the hub where 6 cables arrive (one from each room) and ...
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3answers
59 views

Splitting my Ethernet signal

My modem comes into my house on the first floor and I have a Cat5 cable running from it through the walls upstairs to my wireless router. I need the router upstairs in order to get a hardline to my ...
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1answer
50 views

“Automate” a clean install of a random personal Windows computer? [closed]

I'm the guy who is always tasked with reinstalling Windows on random personal PCs with different hardware. I'm referring to friends, family, personal PCs and not organized corporate PCs. I did not ...
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21 views

I am getting small shock on my laptop's metal part when i connect to WLAN Ethernet

I use a cat 5e, 4 pairs, UTP cable using T-568 B standards. when i connect this wan cable provided by my ISP (my ISP don't need any Modem it's a direct digital) in my Dell xps 15R L502X (early 2011) ...
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50 views

Is it better to have 2x 48 port switches or 4x 24 port switches in a network?

Short questions Is it better to run a large local network through either : A) run all cables back to 2x connected 48 port ethernet switches (with STP (required by Sonos)). or B) Run 4 x 24 port ...
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35 views

Do Rj45 couplers slow down / create bottle necks in a network?

Do Rj45 couplers like the ones here on amazon below slow down a network / create bottle necks. Network switches are specced as gigabit or 10/100, but i havnt seen any couplers specced as such, is this ...
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42 views

Ethernet over Powerlines

I have a question about Ethernet over Powerlines. I am trying to create a network between my main floor, and my basement. The thing is my basement is a separate apartment. I am wondering if Ethernet ...
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1answer
33 views

Could connecting two seperate routers via an ethernet switch cause issues on one or either of the networks?

We've got 2 incoming internet connections each coming into their own modem / router combi. (I do plan to eventually combine these connections using a load balance, but haven't got round to it yet). ...
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1answer
34 views

Data hub setup for a structured wiring panel

I have a structure wiring panel in my home and the bedrooms and living room all have ethernet jacks. All the coaxial cables in the panel are labelled as: 1, 2, 3, fp1, fp2, and 2 cables called emarc ...
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1answer
36 views

Is there a magic box that can simulate 2 different IP addresses through a USB port

In work we have equipment pc's that is segrgated to the company network because the machine makers pc standard never matches the comapny requirements and validation activities render it impossible to ...
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1answer
75 views

DHCP server on bridged Ethernet/Wifi not working; Windows 7

I live in an apartment complex that provides Wifi. I have my Windows 7 laptop connected to this Wifi, and that works fine. I have setup a network bridge between Wifi and the Ethernet port. I have also ...
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2answers
53 views

Can you suggest a more reliable Wi-Fi setup for use on a Yacht?

I have a friend with a yacht who is having networking issues trying to get devices connected on his boat. He regularly sails between marinas and needs to basically 'repeat' their Wi-fi connection. ...
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1answer
34 views

Get IP address from one-to-one connection?

I have PC box with installed Windows Embedded which runs specific software and have no display and I can't connect one. It has stable ip address which was set years ago, but somehow it was lost by ...
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176 views

Synology read performance degrades with Jumbo Frames over 6000

Short Version My home network is pure gigabit with devices that all support jumbo frames up to at least ~9000 bytes. Increasing the MTU jumbo frame setting on the Synology to 6000 (bytes) increases ...
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48 views

View network devices on different subnet

I have my main router (192.168.1.1) connected to another router (second router) via ethernet (used as an access point 192.168.1.2) to extend my coverage. Other network devices are also connected to my ...
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41 views

When terminating a straight through network cable, should I use 568A or 568B?

What the title says, really. Sure, it'll work either way, even if I order them by my favourite colors, provided they are the same in both ends, but what is the "correct" standard to use with 100BaseTX ...
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No connectivity at CAT6 Ports

I've been running into a bit of a weird issue, so hopefully this run down will help someone come up with ideas I haven't had. I'm setting up a new home that has the following: CAT5E 350MHz T.568C.2 ...