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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Paying for expensive, relatively slow WAN link between virtually adjacent offices. Alternatives?

A few years ago, I worked for a corporation which payed quite a lot (I forgot exactly how much but it was quite a few hundred dollars per month) for a WAN link to connect two adjacent offices. The ...
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13 views

USB UVC Webcam to IP [duplicate]

I have 2 USB UVC webcams, are there: a simple adaptater that transform my USB webcam to an ip address? a simple command (like mplayer uvc://192.168.1.102) to show my webcam?
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5answers
128 views

Will I experience degraded performance on a Ethernet connection through a splitter if I'm the only user on the line?

I currently have a long wire ethernet chord travel from my office to my bedroom (the rooms are side by side), as I wish (It's a long ethernet cable wire). I went from a 1.9 MBPS to a 15.+ MBPS after ...
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20 views

Switching to WiFi connection when Ethernet is slow (Windows 7)

My PC is connected to a powerline adapter via an Ethernet cable, and I get a fast connection. However several times a day the powerline adapters seem to lose connection for a couple of minutes, ...
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1answer
18 views

Using a DD-WRT router as a wireless ethernet hub

As the title says, I have a DD-WRT router that I would like to use as a wireless ethernet hub. I have a machine in an RV park that is ethernet only, and I need to connect it to the internet. The park ...
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23 views

Ethernet and wireless connection [closed]

I have a device connected to my laptop using an ethernet cable. This connection has nothing to do with an internet connection as such but the wireless capability on my computer gets disabled everytime ...
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2answers
29 views

Scanner Canon DR-2020 U network

I bought a scanner (Canon DR-2020 U), but it doesn't have the network card. How can I make this a network scanner? I can hook the scanner to a computer that is on most of the time, but is it ...
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1answer
77 views

2 Pair Ethernet not working

I have one 4 pair cable. The brown pair is being used for a telephone (that is working). I took the green & orange pairs and punched those down to a CAT6 block and added a CAT6 connector at the ...
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2answers
64 views

Why is my connection only 100Mbps?

We recently have installed Cat6 cabling in our walls using Cat5e jacks (Could not find any other type). From research, this seems to be a working method, however the connection is auto-negotiated by ...
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40 views

is there any way that my computer should first use ethernet connection and then wifi when both are connected to the system [duplicate]

Is there any way that my computer operating system (windows 7) should first use ethernet connection and then wifi when both are connected to the system. Because I want to control a device using ...
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9 views

withdraw MAC address assignment

Is it possible to un-claim ownership of a MAC address via special kinds of gratuitous ARP or possibly by sending ARP packets with special addresses (e.g. 00:00:00:00:00:00) to invalidate cache table ...
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1answer
33 views

Wired connection being dropped

I have an ARMv7 microcomputer (based on Freescale IMX6) that works as media server, running on Archlinux. The last couple of weeks i've been having issues with the wired connection (eth0), it drops ...
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25 views

Router possibly bricked, reverting to stock firmware

I am currently using this router, the TL-WR940N (It's also referred to as WR941N, even says so in the stock firmware, no idea why). Hardware version 5, stock firmware revision 2.1 There isn't exactly ...
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1answer
44 views

Should I connect my laptop through an ethernet cable instead of wifi?

Im currently running Internet through everything in my house (two laptops, one desktop, 4 phones, a couple iPods) through WiFi through my 2.4GHz router. My laptop is pretty much always sitting very ...
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0answers
153 views

Ubuntu 14.04 15.04 wired internet not working

I'm pretty new to Ubuntu. I have this installed on a separate drive. My normal boot is Windows 8, which I am currently writing from, so no issues with the cable or router. My wired internet isn't ...
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1answer
30 views

Is it worth using Cat6 cables with existing Cat5e wiring? [duplicate]

We are currently in the process of installing a new Wi-Fi repeater in our house. Our house was built with Cat5e cabling in the walls, conveniently going from the location of our current router to our ...
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44 views

Ethernet connection fails in virtual machine (linux mint 17 KDE)

I am having trouble gettting my internet to work in my virtual machine. I am using VMware on my Windows 8.1 pc. The VM runs Linux mint 17 KDE. VM settings: either NAT or bridged (both fail to connect ...
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2answers
52 views

Is there such a thing as a double ethernet cable?

I have a cable modem in the living room. I have ethernet running out of the cable modem to an Apple Airplay, then back out of the Airplay to a 4 port switch so that I can hardwire all my consoles. I ...
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0answers
45 views

Transferring Files Over Ethernet to Network Storage Kills Internet Connection

I have an Airport Extreme router (newest model) with a USB drive attached that I transfer files to. My Mac Pro (3,1 running latest Yosemite) is connected to this router via Ethernet, and I've been ...
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24 views

A separate network card for p2p traffic [duplicate]

I have a motherboard with 2 ethernet outlets. Is there a way to route all p2p traffic though one (with VPN) and the rest through the other without VPN? I am on Windows 7. EDIT: there are solutions ...
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0answers
27 views

Realtek PCI network card not functioning on Linux

I have two Realtek Ethernet devices on my Linux (CentOS) machine. The onboard interface is detected but the other one is not. In the below lspci output first one is working. [root@compute ~]# lspci | ...
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26 views

Connecting 3 PCs in a LAN

I'm running on GNS3 and in my topology I've connected 3 PCs. PC1 is connected to PC2 via eth0 and PC3 is connected to PC2 via eth1. I can only ping between PC1 and PC2. I cannot ping between PC2 and ...
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1answer
34 views

Wireless clients disconnected from router when PS4 traffic begins

I consider myself pretty good at networking, but this one has me stumped. My brother-in-law has a PS4 connected by wire to his router. All other (three or four) clients are connected wirelessly (one ...
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1answer
56 views

Ethernet switch throughput

I'm not a network/hardware guy so please bear with me if I'm using the wrong vernacular in my question: My office recently upgraded our Internet from 50/10 Mbps to 150/20 Mbps. For this upgrade, we ...
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2answers
40 views

Can I get some advice on my speed using wifi? [closed]

I have AT&T DSL and, as expected, the speed isn't the best. They made me pay a high price for a cheap router and modem (2in1). I've had the router for a few years. Lately, the speed has been ...
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5answers
53 views

Do RJ45s need to be wired differently to enable POE (Power over ethernet) ?

On larger projects we tend to buy cat6 in drums of 1000ft, these are then run to the locations as required and RJ45s placed on the ends by the electrician, this all works fine. Were now starting to ...
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1answer
30 views

Flat ribbon network cables sold as UTP, are they really twisted, and how?

I am about to buy some network (Ethernet) cables for home use, and am looking at the flat ribbon variant as here: However, given the very flat form and no visible structure that actually suggests ...
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2answers
70 views

How can powerline ethernet adapters be faster than their hardware ports?

On many of the powerline ethernet adapters, they claim high speeds of 500 Mbps, however, I've noticed that the actual jack on the device is only 10/100 Mbps speed. For reference - look at the specs: ...
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1answer
34 views

Intermitent high latency caused by Cablemodem

I have 2 computers conected to my Thompson model TCW770. I have been experimenting connection problems while playing online in different games. I have some seconds every 2-5 minutes that the game is ...
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1answer
48 views

Using Powerline for telephone and internet

As far as I know, CAT 5 cable can be used to run a 100 Mbps Ethernet and a telephone connection (2 pairs each). Would it be possible to use power line with this cable?
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28 views

ethernet usb adapter ax88179_178a, ARP captured with 62 bytes

While debugging some l2 protocols on an ethernet usb adapter (chipset ax88179_178a) I noticed 2 bytes from Frame Check Sequence (FCS) are promoted to user data. Dump of the arp frame 60 bytes is now ...
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14 views

LAN with proxy to proxyless hotspot

I have proxy server based Ethernet port. Can I create a WiFi hotspot using a WiFi router that requires no proxy information? If so how could it be done? Thanks in advance...
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1answer
81 views

Is 802.3az / EEE important for a network switch for structured cabling?

Please note: I am not asking for specific product reccomendations. I am in the process of expanding wired ethernet cabling in a building during a remodel. I currently have about 20 runs of CAT6a to ...
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1answer
42 views

No eth* interface

I have no eth0 interface (or eth1). ifconfig -a lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING ...
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36 views

RouterModem -> AccessPoint/Bridge -> Router

My current configuration: ISP Provided Router that i use as Modem* (Floor 1). DIR-855 Router (WAN to ISP router) (Floor 1). Switch 8-port (Floor 2). DAP 1522 Brigde/AccessPoint (Floor 2). The ...
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2answers
34 views

Is there an easy way to retrieve the link speed of network devices?

We have a mix of 100 and 1000mbps cabling in this office with cabling that ranges from ancient home-made cat5 to brand new cat6, and a mish-mash of semi-accessible switches and network segments that ...
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2answers
154 views

How is a router connected to a switch; is a patch panel needed?

I am planning a home network in a new construction. The more I read, the more confused I get, although I found a lot of good information. I don’t want to pay a guy $3,000 to install this. I just about ...
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31 views

POE Connection Failure

I have 2 POE ports which are on different NICs. When I connect them together the ports' Ethernet does not come up. In other words, the associated "port status" register of those ports should turn to ...
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1answer
242 views

Connect Apple Airport Time Capsule via ethernet cable without disabling wi-fi internet connection on Windows 7

I would like to connect my Apple Airport Time Capsule to my Windows 7-based laptop via an ethernet cable without hindering my ability to connect to the internet wirelessly. I am currently using the ...
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10 views

Ping times on constrained systems

I have got 2 laptops (a, b), a raspberry pi (c), and another embedded system (d) connected to an Ethernet switch. There are some differences in the ping times. a pings b: 0.578 ms a pings c: 1.1 ms ...
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1answer
40 views

Ethernet Port Shuts off When I Turn the Computer On

I am having a strange problem with my ethernet cables on my laptop. I have an ethernet cable that shows all indications of functioning whenever the laptop is off, but as soon as I turn it on, the port ...
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9 views

Trying to detect why a certain program using a TUN/TAP devices disconnects my WLAN

I’ve got program which disconnects my wlan0 network. I would like to know why this network disconnects. I'm using wpa_supplicant for wlan0. The program which make me disconnect is attaching TUN/TAP ...
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1answer
40 views

Connecting two interfaces

I’ve got 2 network interfaces, wlan0 and tun_nrf24. wlan0 is reachable from my LAN network so, I can connect to it. I need to make tun_nrf24 to available from my LAN too. gateway: 192.168.1.1 ...
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2answers
33 views

Hardware to measure data usage of router [closed]

I want to measure the data usage through my router. I know this can be done using the router software but this is not an option for me. I want to connect a device between the internet aerial and the ...
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2answers
810 views

What is the difference between Cat 6 and Cat 6e Ethernet cabling?

What is the difference between Cat 6 and Cat 6e Ethernet cabling? The length is not an issue for me, since I will be using the cables for intra-rack connections.
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39 views

Full reset of network interface

I have a Raspberry Pi. If it's connected to a network, and cables are changed, IP numbers changed, and what not, it sometimes stops working. A simple reboot solves the problem. Is there any way of ...
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1answer
100 views

“Must install and enable a network adapter card”

I was going into my network settings to change the DNS for my ethernet when I noticed an error that I've not seen before: I don't understand what this mean, because my adapter is enabled... which is ...
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47 views

Are crossover ethernet cables not working anymore on modern ethernet cards?

I made a crossover cable to connect two computers. The connections are correct, and I verified the cable both visually and with a tester. However, no matter what I tried, I could not make it to work. ...
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2answers
40 views

Using multiple ethernet switches to connect shorter ethernet cable runs with a mix of cat5e and cat6

Ive got multiple shorter runs of ethernet cables a mixture of cat5e and cat6. I need to get a cable from the router to another area, there is no direct concealed cable but there are multiple shorter ...
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2answers
124 views

Eth0 missing on Linux 3.18.8 with onboard Realtek card

Ethernet is completely gone on a Laptop with Linux Mint Cinnamon 64 and Kernel 3.18.8. I have installed the realtek driver from their website, but that is not solving the issue. ifconfig -a only ...