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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I got Ethernet bridging to work but I am puzzled by the Icon that is presented in the windows 10 networking status area

I was having a lot of trouble getting the Ethernet bridging to work on my home network. The network is in my shop area downstairs and connects with my router upstairs by Wi-Fi. The bandwidth on the ...
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Trying to connect two Pi 4s via respective ethernet ports

I have two Raspberry Pi 4s that each have a Wifi connection to the router. I would like to connect them together via ethernet as well (no router between them - direct eth0 to eth0), to be able to ...
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Why is internet speed slower when both Ethernet and WLAN interfaces are connected?

I've bought a switch to connect my Windows laptop to a computer with Linux I use as storage which has no internet connection. On the Windows computer I configured my ethernet interface with a fixed IP ...
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MoCA adapter setup - mind boggling networking

I want to set up a MoCA adapter for wired internet in another room, but I have no idea how to make sense of the panel containing all of the networking gear… The picture I attached is what’s behind the ...
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KVM host and guest cannot communicate, other traffic works fine

I have a KVM host and a guest on it. The KVM host hosts a mail service (postfix). The VM is a spam filter (called "spamfilter" for ease). The basic problem and question is that spamfilter (...
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Share rooted Android ethernet connection to another ethernet only device. Is it possible?

I have a rooted Android device running a VPN and connected to my internet router via an ethernet adapter. My question is: is it possible to share this connection to an ethernet only device adding a ...
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Emulate Ethernet between two USB-C ports

I have 3 low-end servers with only one ethernet port each that I use for Internet connection. Now I would like to have a second Ethernet interface to each 3 servers to a file server so that reading ...
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Duplicated network packets with VMware Workstation 17 Pro and Intel Ethernet Controller I225-V bridged network adapter

I'm seeing network packet duplication for traffic between guest and host on several machines that use an ASUS ROG STRIX B650E-E GAMING WIFI motherboard in their builds. This board comes with an Intel(...
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Connecting two routers to one modem to create better security for each network

Our business has a router connected to a modem in Building A. From here, Ethernet runs throughout Building A, and then to Building B. We have a tenant in a section of Building B that wants to have ...
interwebjill's user avatar
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Ubuntu 20.04 - Ethernet UNCLAIMED, can't upgrade kernel

Firstly, I've been googling this for hours, and I've seen several questions here, on AskUbuntu, and various other forums where the answer always boils down to "update the kernel". Let me ...
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Slow wifi speeds and ethernet ports in house not working

I am brand new to networking and find it really interesting, but also very confusing. First of all, I have a Google Nest Wifi (one wan & lan port) with two wireless access points (doesn't support ...
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What standard is this RJ45 connector using?

I was expecting to see T568A/B but this is neither. What is this? It's 1. Brown 2. Green stripe 3. Orange Stripe 4. Blue 5. Blue Stripe 6. Orange 7. Green 8. Brown Stripe. I've wired the other side ...
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Send Data Across NICs Using socat

I'm working on a project trying to develop a data diode for unidirectional transfer of data, and I'm hoping to use socat for some measurements. As a first step, I want to use socat to send data from ...
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Ethernet connection keeps dropping out

I'm having a problem with my Ethernet connection dropping out. In games like destiny 2 and new world where if your net drops out (even with wifi as backup) you get kicked from the instance, which is ...
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Unable to ping device with Jumbo Packets (MTU 9000) - Default ping error message, not because of MTU [duplicate]

@Admins: the question linked addresses a different problem. My issue is specific to the fact that ping doesn't return a MTU too small message but a general fail message, pointing to a problem ...
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Desktop seems to be unconnected to network

I'm very bad at networking but I'd like some help if possible please. I'm trying to connect my VR Headset (Quest 2) to my desktop wirelessly but my desktop seems to not be in the network. Details on ...
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Windows 11 only recognizes one USB-to-Ethernet adapter at the same time, despite two being plugged

I use Windows 11 on a Dell laptop. It has no built-in Ethernet port, so I use a USB-to-Ethernet adapter. My network works with one adapter, but ultimately I need two at the same time. More ...
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How to run cat6 shielded cable from rack

I'm planning on running shielded cat6 cable because Ethernet will travel parallel to power on multiple occasions. The rack and patch panel they are going to will be bounded to ground. A few questions: ...
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Network line speed 1G on one switch and 10Mbps at the other switch to the router

Hi I have a strange issue. I have a network setup with wiring in the wall using cat 6. The one has a keystone in the wall and the other location comes to a wiring closet with a home databus with 5e ...
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MacBook Pro Apple M1 disconnecting from FRITZ!Box 7490

I use PC: Device: MacBook Pro (13-inch, M1, 2020) OS: 12.6 (21G115) Monterey Ethernet adapter: Satechi ST-TCMA2M USB C Router: AVM FRITZ!Box 7490 Firmware: 07.29 Regardless do I connect with WIFI ...
fpopic's user avatar
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HP Probook 640 G3 LAN issue "Device Cannot Start – Error 10"

I've got two refurbished "HP ProBook 640 G3" with LAN "error 10" "Device cannot start" The problematic LAN device is PCI\VEN_8086&DEV_15D8&SUBSYS_82AA103C Which ...
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Connecting computers

Have a switch with internet connection. To this switch are connected two computers. And also wi-fi router. To router is then connected another computer. What is the best way to connect two computers ...
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Constant timeout between hosts connected to switch/router via Ethernet on a LAN

At this point I'm out of ideas so I thought I will ask for help. I've got 4 devices connected to my home router (Dasan H660GW). It is also an access point and an L2 switch like most other home routers....
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Routing failure on a multihomed Devuan laptop when ethernet cable removed and wifi connection active

I have a Devuan Chimaera laptop (GNU/Linux, based off Debian) that has ethernet and wifi connectivity. When I connect to the wifi and take out the ethernet cable, I expect packets to no longer be ...
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How to automatically connect to WiFi once ethernet stops working

So my problem is fairly easy: The wired ethernet connection stops working from time to time but stays connected. What I want to do is keep the WiFi turned off, or at least disconnected, as long as the ...
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Forward internet and use as Gateway

Windows Server 2019. Fairly simple (I guess). I have two ethernet adaptors, one has internet and the other don't. The second will be on the same network as another computer and this computer need to ...
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Is using an Ethernet cable with 7/ and 8 swapped (1-2-3-4-5-6-8-7) safe to use with a PoE camera?

A pre-existing wire that was used for an old security cam had 7/8 swapped when I used an Ethernet tester. I want to repurpose the cable for a new PoE camera. Would I need to fix the cable or can I ...
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Attempting to fix a strange Link local issue with Powershell

So I was on here with a different question, and I've made some progress in Identifying the issue. I have a network that isn't allowed to have DHCP, and all of our MTR Pcs live on it static. ...
Barrington's user avatar
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Windows 10: Ethernet slow, unstable or not working at all after unplugging Ethernet cable

Since a few months I have from time to time a strange problem. The Problem: Usually my laptop is using Ethernet for internet. However, sometimes I will unplug this cable to take my laptop to another ...
thisismyname's user avatar
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Debugging slow network performance on a specific machine

I have the following case: Desktop and laptop plugged-in to the same switch OS: Arch Linux (up-to-date, same configuration, same kernel, ...) The speed in LAN when testing between both machines with ...
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What could be causing this interference, and how can it be resolved?

I have two wired connections going into my desktop, from two different ISPs. Connection 1 is a symmetric gigabit fiber connection directly to the computer, and Connection 2 is coaxial, passed through ...
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Two Windows 11 systems in dual boot setup: when switching between two, I need to reset my router

I have a dual-boot PC setup with two instances of Windows 11 Pro on separate SSDs. Whenever I switch between OS's (for games/surfing and software development, respectively) I always am informed by ...
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PS4: manual IP address / internet connection failed

If I connect my PS4 directly into the wall ethernet then it works fine But I recently bought a Netgear ethernet switch so that I can connect my PS4 via ethernet but also have my wireless router for ...
user1698526's user avatar
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CAT6a Shielded Home Network Installation and Shielding

I am about to run the cables for my new home network. I've chosen to use CATa Shielded Cable with a rack mount setup as follows. The questions I have regard the shielding. Thank you in advance. The ...
Hartman9's user avatar
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Ethernet / Network errors

I have problems downloading files over ethernet on Linux. There are no tx or rx errors and the network speed itself is as expected. But apt update and apt upgrade shows lots of checksum mismatches, ...
Robert's user avatar
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Switch Netgear XS748T does not detect link

I am having some issues setting up a switch in my lab. There is a 1-Gigabit ethernet line avalaible and I have a Netgear XS748T 48-port switch (only supports 1G and 10G ethernet links). Everything is ...
jmbenlloch's user avatar
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3k views

Gateway address outside the subnet mask

my router (DHCP disabled) IP : 192.168.1.1 Subnet Mask: 255.255.255.0 PC network card conf. IP : 192.168.1.103 Subnet Mask : 255.255.255.240 Gateway addres : 192.168.1.1 I can ping the gateway ...
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Use a Wi-Fi Range Extender with a network switch? [duplicate]

Most Wi-Fi Range Extenders advert that the embedded Ethernet port allows to connect wired devices, such that the Extender works as a "wireless adapter". E.g.: connect a wired TV to a ...
alleen1's user avatar
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Windows 10, how to connect to wifi and ethernet at the same time while on different respective networks

I'd like to connect a Windows 10 computer to two separate networks simultaneously using two different routers, one with its wifi (internet-connected) and another with ethernet (no internet). Is there ...
plu's user avatar
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Use netcat to send UDP packets out 1 ethernet port and into another on the same server

I am trying to sanity check a network device and want to use netcat to send upd traffic out a specific ethernet port (eth0 for example) and receive that packet on a different port on the same system (...
rt0218's user avatar
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Copying file from server is slow but is fast when copying to server

I have a Samsung 970 Evo+ in the built-in M.2 slot of the HP 290-p0043w and have a gigabit network cable connection directly between it and an gigabit port on an Asus X99 Deluxe motherboard. Both ...
EllipticalInitial's user avatar
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ifconfig -a is showing br-ba165999130f instead of eth0 (ethernet works)

I have my PC connected to the router using a cable and I also connected a WIFI USB TP-LINK. Just checking ifconfig -a and I noticed there is no eth0 interface. Instead, the first one is called br-...
Milano's user avatar
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Why there are some entries in the Mikrotik RouterOS ip-scan table who don't have MAC addresses or RTTs?

There is a command /tool ip-scan in the RouterOS, which basically does network scanning. It works quite efficiently, however, there is something I can't understand in its behaviour. For some network ...
Nikita Kipriyanov's user avatar
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MacOS Ethernet en0 not working - Mysterious error

I have older Mac Mini, suddenly the Ethernet connection stops working. When I connect to same network by Wi-Fi it gets correct IP address from DHCP and everything works. When I try to connect with &...
Michal Kerndl's user avatar
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How to properly configure two usb to ethernet adapters in windows 10

We have a setup, where we are using two usb to ethernet adapters to connect a computer with a HIL (Hardware in the Loop). Computer A -> USB-to-Ethernet-Adapter 1->Ethernet cable->Ethernet-to-...
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What is the best way to pull out and replace a damaged UNDERGROUND CAT cable?

In order to share internet access between two neighboring buildings, last year I buried about 100 feet of 1-1/4" pvc underground. I snaked through this cable through: https://www.amazon.com/gp/...
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Avoiding packet loss on a 800+ Mpbs data stream

At the highest level of abstraction, I am trying to send 800 Mbit/s from a hardware instrument to a 'normal windows computer' over a dedicated ethernet connection. But if I do so, I experience ...
user129412's user avatar
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CentOS 8 on Hyper-v - cannot establish internet connection

I am having problems with configuring internet connection for CentOS VM hosted on Hyper-V Initially I installed OS with 1 internal network card. Configured it and now I am able to communicate between ...
johnlemon's user avatar
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No internet when a specific lan cable is connected

Having a very strange issue - we recently had someone move into our spare bedroom about a month ago, and since he's arrived, our internet has died about 4 times where no one could connect to the ...
Nelliel's user avatar
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Use second router in separate building on same ethernet

I am based in the UK and we have a wifi network in our house. Our internet is provided by EE so we have an EE router. We have an office in our back garden which I use for work which needs to have wifi ...
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