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.

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Windows 7 DSCP and 802.1p QoS Mapping?

When I create a QoS policy in Windows 7 through the Group Policy editor and set a DSCP value, does Windows 7 add the 802.1p QoS field to the Ethernet frame? If so, how does it map the different ...
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0answers
493 views

Issue in internet sharing(ethernet) to android device in mavericks

i have installed Horndis driver on my Mavericks, my phone is displayed on network preferences (with green connected icon). The issue is i cant get access to internet. i shared ethernet connection (...
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2answers
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Port forwarding + shared connection with Ubuntu

Because my wireless router's ethernet ports are defective, I set up a shared wireless connection from my laptop (which has wifi) to my eMac (which does not) via a crossover ethernet cable. The laptop ...
4
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1answer
776 views

Ever have bad voltage on an ethernet jack on a router/switch?

So I've got a bit of an odd problem I'm trying to solve. I have an ASUS RT-N66U router which has a desktop, xbox, and my brand new NAS directly wired into it. Whenever I hook the brand new NAS up ...
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0answers
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eth0 not appearing. Tried everything that seemed to work for other people

Firstly, let me say I am completely new to Linux so if you're going to tell me to check something or do something, please give me a vague idea how. Installed Ubuntu Server (newest download I could) ...
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3answers
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Powerline networking stopped working

I had powerline networking working in the morning but its not now. I notice that the ethernet port does not blink at all. Is the wire spoilt? Should the port blink even when there is no internet or ...
3
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0answers
365 views

Force Ethernet physical link state in Linux

Is there a generic way to force Ethernet physical link state from Linux userspace? I know that at least the Intel e1000 driver puts the PHY to powerdown when the interface is deconfigured with ...
3
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1answer
79 views

“Category 6a is particularly resistant to interference from older Ethernet signaling…”

I'm going through "Unix and Linux System Administration Handbook", 5th edition. In chapter 14, "Physical networking" in the section on UTP cabling, it says: Category 6a is the cable of choice for ...
3
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1answer
567 views

How to install Linux using ONLY ethernet

How can I install Linux Debian on PC having only Ethernet and no monitor and i/o devices on that PC so after that I can communicate with that PC only through SSH? UPD: also I wanted to do this from ...
3
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0answers
3k 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 ...
3
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1answer
404 views

How do I prevent connection resets upon pulling the ethernet cable?

In Windows, when you pull out (trip over it) a network cable, then the connections get reset. If you do the same on a Linux box or if you put a switch between PC and router and then pull the cable ...
3
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2answers
906 views

Not being assigned an IP address

I'm having a hard time trying to get a XP laptop online. Whether I use either wifi or ethernet I get the same result. It tries to get an ip but times out and just stays connected with limited ...
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1answer
10k views

Ethernet connection shows unidentified network with no internet access

For years I've used a physical Ethernet connection for my internet access, then a few days ago it went down and said it was an unidentified network with no internet access. I dug out a wifi card and ...
2
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0answers
42 views

How do I create a manual point-to-point wicked network configuration?

I am tasked with working on an OpenSUSE 42.3 server (without desktop environment) that I'm looking to connect to a Windows10 laptop (configured as 192.168.1.2) using ethernet (in order to run other ...
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0answers
48 views

How to get wifi to the far end of our flat?

Advice would be appreciated as wifi signal dropping is causing serious work-from-home problems for us. We live in a block of flats in a city centre, so there are many networks close to ours, with some ...
2
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0answers
52 views

Computer working with Cat 5e but not Cat 6 on different port

I have a Windows 10 computer from a few years ago and a modem/router (ARRIS) connected through a cat 5e cable and everything works well; I get gigabit speed (which I don't need). If I plug the ...
2
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0answers
658 views

Why is my laptop (Debian 10) only connecting with 100Mbit/s instead of Gigabit?

My laptop (Thinkpad T450s) with Debian 10 only connects with 100Mbit/s instead of Gigabit through ethernet, although the network card should be capable of Gigabit LAN (see #2 below). I tried a machine ...
2
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0answers
375 views

How to enable the rebroadcasting of bonjour packets coming from a device connected to a Mac's ethernet while sharing wifi onto the wifi segment?

The following is my current setup: Apple MacBook Pro (MBP) with macOS 10.14.4 with internet sharing from wifi to ethernet enabled as well as synergy pro running in server mode as a network-enabled ...
2
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1answer
188 views

Periodic Internet Disconnection

Here is my problem: A) Goal Fix periodically disconnecting internet connection. I.e. maintain constant connection to internet (browsing etc.) while wired to router (ethernet). B) Problem I've ...
2
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0answers
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Can't get an Ethernet connection between a PRO/1000 GT Desktop Adapter and a Beckhoff module working

I'm using openSUSE 11 (i586) installed on a PC used for an old project. I have a problem with the network card (Intel PRO/1000 GT Desktop Adapter). Connecting the Ethernet cable to a Beckhoff module (...
2
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0answers
85 views

Sharing internet via cable, Ubuntu/Raspberry (gateway, NAT, DHCP)

Have one laptop running Ubuntu, with a wireless connection (DHCP, not static) to the Internet, which works fine. Then a Raspberry Pi, running PipaOS (ie Raspbian), connected to the laptop with an ...
2
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0answers
2k views

PoE + shielded cable + earthing necessary?

I'm looking at cabling our house with Cat6A, & leaning towards using S/FTP. If I use shielded cable is grounding necessary if; Setup: Router -> PoE capable network switch -> computers/TV's/...
2
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1answer
710 views

Ethernet not working after updating Windows 10 from 1703 to 1709

PC with configuration: Motherboard: Asus X99-A/USB 3.1, NIC: Intel Ethernet Connection (2) I218-V (as per Device Manager) OS: Win10 N Student Edition. With version 1703, everything was working ...
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0answers
2k views

Ethernet connection - device does not exist

My Windows 10 desktop PC has an ethernet connection straight to the router. Often when I first start my PC, the ethernet connection does not work. My wireless devices still have internet during these ...
2
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1answer
777 views

Latencies in Ethernet to RS232 adapter

Requirement: I have a software running on my Windows which communicates to an external device using RS232 port. The hardware receives the commands sent from PC and responds back to PC. When using a ...
2
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1answer
1k views

Ethernet wall socket works only with powered LAN-switch

First of all, please excuse my english, I might make some mistakes. So I have this problem for a year now, I can't find a solution. I have ROOM A, there is my main router. ROOM B is my study room. ...
2
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1answer
766 views

Wired NIC “Unclaimed” on NUC5i5RYH

Recently the Ethernet connection on my NUC5i5RYH stopped working, one day it was fine, the next it wasn't. I've tried a variety of things to diagnose and fix this issue. ifconfig -a shows lo: flags=...
2
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1answer
47 views

How do I configure Windows so that it won't recognize USB as Ethernet?

In light of the increasing ability for people to steal credentials using a USB Ethernet adapter, I would like to make it so that Windows will not recognize USB devices as Ethernet adapters. Is there ...
2
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1answer
302 views

repeater via ethernet to increase wifi speed

I live in an apartment block with >20 other routers normally in range; when I'm next to my cable modem/router in the main room of the apartment, I get >150Mb speeds but moving to my bedroom (which is ...
2
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0answers
102 views

Ethernet interface EEPROM failure after thunderstorm; any way to recover?

During a thunderstorm, two times in a row the ground fault circuit breaker tripped and a number of devices, including my NAS lost power. After the second time one of the ethernet interfaces of my NAS ...
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0answers
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Dropped packets in all Linux and Unix

I have a problem. I have motherboard by Supermicro – X11SBA-LN4F. There are 4 ethernet ports. In first port i have internet. In second port i have my local network. When, i write "ifconfig" or "...
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0answers
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How can I set up my ethernet on a fresh install of Fedora Server 23?

I am using Fedora Server 23, and cannot get my ethernet connection to work. It works fine on Ubunutu, OS X, and Windows 7 on the same machine. [root@localhost etc]# ifconfig ens5: flags=4163<UP,...
2
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1answer
52 views

How do I diagnose intermittent connection drops?

I'm continuously retrieving data from a remote sensor connected over Ethernet via a switch. I see that about twice per hour, the connection breaks down for a couple of seconds. I know that the remote ...
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0answers
2k views

Thunderbolt 3 vs 10 Gbit ethernet

I am not sure if I chose the right stack to ask this but here it goes... I try to find the differences/competitive advantages/disadvantages of thunderbolt compared to ethernet from a technological ...
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2answers
2k views

Wired ethernet connection not working after suspend on Debian

I have been using Debian GNU/Linux 8 (jessie) for over a year on my laptop. Since the last update the wired Ethernet connection is not working after the system resumes from hibernating. Restarting the ...
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0answers
4k views

RTL8153 driver for MacOSX

I just bought a USB Hub that has 1 Ethernet port, 2 USBs, and SD card support. Currently the Ethernet is not working although I see a green light on the port when I plug the Ethernet cable. The ...
2
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1answer
2k views

Windows 10 802.1x Connectivity

I have been connecting to my dorm Ethernet using IEEE 802.1X authentication for some time and since I upgraded to Windows 10, I get "Authentication failed" error almost every time I wake the computer ...
2
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1answer
698 views

Fedora 23 realtek ehternet works on livecd, but doesn't on a fresh install

lspci | grep -i ethernet gives the same for livecd and fresh install: 02:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)` ...
2
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0answers
613 views

Internet speed stutters—even Ethernet connected devices—when Wi-Fi is enabled on a D-Link DSL-2750U ADSL Wi-Fi router

At my workplace, we have a D-Link DSL-2750U ADSL Wi-Fi Router which is connected to a 24-port D-Link Ethernet switch. It is a very small setup. About 20 clients connect to the network (including ...
2
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1answer
3k views

Is it possible to use a Netgear EX6200 W-Fi extender for Ethernet connections?

I have a main router and then in the other section of the house a router used as an extender (Let’s name this network “[Wifinetwork]”). I want to receive the Wi-Fi signal from the extender with my ...
2
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0answers
142 views

Replugging of one wired ethernet connection for three systems only working after a long wait

I'm living in a dorm house of more than 200 students and each room has one ethernet wall plug. On my laptop I'm running Ubuntu and I also have a dual boot PC running Win 8 and Manjaro Linux. I only ...
2
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2answers
65 views

Internet amazing via Ethernet, unusable via WI-FI?

so I got this new internet a few days ago, it's a 4G LTE Dongle which I connected to a TP-LINK TLL-MR3420 router to share it with the house (the ISP recommended it), I'm connecting my desktop to it ...
2
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2answers
4k 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 ...
2
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0answers
207 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 ...
2
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0answers
324 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 ...
2
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0answers
177 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 ...
2
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1answer
511 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 ...
2
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1answer
172 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 (...
2
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1answer
593 views

Intel gigabit ethernet teaming - Which option should I pick, and how do I get it working?

I have an intel 82579V gigabit ethernet adaptor built into my motherboard, and it supports 'teaming' - a feature that lets me use more than one ethernet adaptor together. I'm not entirely sure if its ...
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0answers
2k views

How do MAC addresses get burned into devices during manufacturing?

I'm interested in the steps necessary to manufacture an IP-capable device - say an Ethernet card. Manufacturing the hardware is pretty straight forward since all of the devices are exactly the same ...

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