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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Flashed a wrong network mask in a PoE device

I set up a network mask of 255.255.255.255 instead of 255.255.255.0 in a PoE device using the configuration software from Windows but now I cannot reach the device to fix it, due to this wrong ...
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Sharing Cloudflare Warp over ethernet?

I'm trying to setup a Cloudflare Warp connection for a device that doesn't have a suitable Warp client for it. My solution is to use a PC to host the Warp client and share the Warp connection via a ...
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I'm using Ethernet to USB-C adapter. Will it still work if I disconnect the wireless card?

I'm not a hardware person so please bear with me. My laptop (Acer 3) has only a wireless module (card?) but I need ethernet, so have one of those ethernet adapters that plugs into the USB-C port. I ...
cookieJones's user avatar
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UDP client to listen to a multicast group/port without setting its own IP?

I have a small microcontroller device that I program via USB using Python. The device has an Ethernet connection, which can be configured either with DHCP or by manually setting the IP/Subnet via USB. ...
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Is this color scheme another standard for RJ45 cable?

I'm trying to add a RJ45 connector to a Ethernet cable for a NVR system (Surveillance Cameras). The cameras comes with ethernet cables and I see that the only have 4 cables used and in different ...
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ethernet not connected after power off and on

Each time I start up my computer after power turned off and on, the ethernet cannot be connected automtically and I have to disable and enable it manually. But the ethernet can connect automatically ...
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Keeping Wi-Fi internet connected with ICS (Internet Connection Sharing) enabled to share across ethernet

I'm sharing my Wi-Fi internet over ethernet using ICS (Internet Connection Sharing). I have two problems with that: Problem 1: My PC doesn't automatically connect to the Internet over Wi-Fi after ...
Utkan Gezer's user avatar
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We can't sign you in with this credential because your domain isn't available Windows Error

This has been happening for a while at our site. We have deployed about 3 dozen laptops across the organization and have attached them to a med cart (like a toolbox on wheels). This laptop is ...
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Xfinity coaxial Cable ->Arris Router -> Unmanged switch -> Google Home Wifi Router And Raspberry Pi 4, Pi has no internet

I am using an Arris SB 6190 to receive internet from Cable (Xfinity) as input. Then I use one ethernet cable connect from Arris to Netgear 8-Port Gigabit Ethernet Unmanaged Switch (GS308) - Home ...
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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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What to do when led #3 & #5 don't lite up in cable tester

I have clamped my 1st network cable. It's a "Vega network cable FTP CAT6 4PR 23AWG TIA/EIA-568B ISO/IEC 11801 2017" cable. It's in my house (inside the walls) between 2 floors, installed (...
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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 ...
dandaman's user avatar
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Devices aren't both available when connected through a switch

I have the following situation: Computer (with Windows) with a single ethernet port, with the config below (*) DeviceA, configured with fixed IP 192.168.254.254, connected alone to Computer with an ...
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How to utilize multiple ethernet ports in an apartment with a network box, switch, and router?

My new apartment has a network box in one of the closets, and the living room and bedrooms each has an ethernet port in a wall. The installation tech for my internet provider said that the building ...
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Disable I/o options for third party users on windows Operating system

I have several laptops with windows installed in them(some have windows 10 and some have windows 7). I want to give these laptops to some third party users on rental basis with some application ...
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Why do I get better bandwidth using WiFi than Ethernet using Teams

I have an ASUS RT-AX88U wireless router connected to gigabit Internet. I use Microsoft Teams for audio meetings and screen sharing on a laptop in another room. It was connected to WiFi and I didn't ...
Stumpered's user avatar
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What could be causing the issue between my patch panel, router and switch?

I have just wired all of my homes CAT cables into a patch panel. I have also changed the phone wall sockets into keystone Ethernet ports. Everything is wired using B configuration. My router and modem ...
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Cannot Access Computer via Private IP Address on WiFi

I'm attempting to finish my Plex setup but I'm having an issue where my local network cannot access Plex unless the computer accessing the network is plugged directly into the Ethernet switch. The ...
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How can you change an Ethernet connection to a connection with an external Wi-Fi adapter?

I was trying to execute airmon-ng and airodump-ng commands in Kali Linux virtual machine, and then figured out that since my laptop had an in-built Ethernet port, the terminal couldn't detect any type ...
Irene's user avatar
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How to make sense of Ethernet adapter naming in Windows?

When using Ethernet adaptors in Windows 10 they seem to have completely different names depending on how you look at them. In the normal adapter setting I see e.g. this and in the devices settings I ...
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Change network adapter properties without admin rights

The application developed by our sw team grabs images from an ethernet sensor/camera, adopting a sensor manufacturer SDK which in turn adopts GIGE vision protocol. It is a windows 10 desktop ...
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Booting/shutting down a Linux mini-PC via USB or Ethernet

I am using a T8 Ace Magician mini-PC running Debian Linux for embedded system purposes - because of that the power button that comes on the box will not be easily accessible. Is it possible to power ...
Cheetaiean's user avatar
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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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USB to ethernet adapter stuck at USB 2.0 speed

I bought this USB-A 3.0 to ethernet adapter, connected it to a usb 3 port, and i'm only getting about 300mbps, tested and confirmed with iperf3: So i started investigating and USB Device Tree Viewer ...
Teemo22's user avatar
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Can I connect one router to another router wirelessly to be able to use the ethernet ports on the second router?

I haven’t purchased or done anything yet, but I’ve been looking into potentially moving around and upgrading some things on my home network. I’ve been looking at an MSI RadiX AXE6600 router (not ...
sonni's user avatar
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NAS running trueNAS core with direct link to PC

I have a nas running trueNAS core and a pc running windows. My goal is to connect these two together with 2.5 gigabit ethernet. My idea was to use 1 gigabit ethernet from both devices to a switch that ...
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HP Proliant Microserver N40L Ethernet Throttling

I’ve recently set up a HP Proliant Microserver with Ubuntu 22.04 Spideroak One and Samba for my home server. The Ethernet adapter supports up to a Gbps which works fine for my internet and transfer ...
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What is the effect of using lower Cat# cables in a higher Cat# keystone jacks, when the versions are NOT backwards-compatable?

It is not recommended to use ethernet patch cable in a lower-grade keystone jack (wall outlet), unless there is known backward-compatibility, such as between Cat6 and Cat5e. Is it acceptable to use ...
kando's user avatar
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Broadcasting LAN wirelessly?

Suppose I have a switch that serves as a hub for me to connect to some local network. If I connect my laptop to the switch via ethernet cable using proper settings, I gain access to that network. Is ...
coldSubstation's user avatar
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Unable to set MTU size on windows network adapter

One of my network adapters (Edimax 10 Gigabit Ethernet SFP+) is reporting an MTU of 1496. I have verified this by checking the maximum captured packet size in WireShark - 1514 bytes, minus Ethernet ...
Satellite's user avatar
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Can I still use the Ethernet ports on an ISP's modem after setting it to bridge mode?

So right now I have two network devices: A Huawei modem/router from my ISP, and an ASUS WiFi router that I bought separately. How I currently have it set up is the ASUS router is running on AP mode, ...
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RGMII TX_CLK stuck at 2.5MHz

I'm in a situation where my RGMII TX_CLK is seemingly stuck at 2.5MHz even when the PHY negotiates with a 100baseT or 1000baseT line and the link comes up. How is that even possible and what could be ...
MisdeBug's user avatar
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490 views

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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Failover hotspot internet won't switch back to Ethernet once it's back

I have Gigabit cable internet which is generally stable, but drops out on me maybe a couple times per year, and my work requires no significant/lengthy internet disruptions. When this happens I want ...
JVC's user avatar
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Arch does not detect modem switching via a mechanical switch

Having two internet connections at home, I bought this switch to choose which network to use: The problem is, like flipping the switch, the Arch doesn't notice the network change and hangs until I ...
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How many sockets/plugs are allowed/recommended on a single gigabit ethernet link?

Consider this chain of wiring: Switch (socket) Patch cable (plugs) Patch panel (socket) Solid core cable (hard wired at either end) Wall socket (socket) Long patch cable (plugs) Wall socket (socket) ...
user1794580's user avatar
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1 answer
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How can I select only the basic Ethernet interface ipo Virtual Ethernet or other interfaces in a batch with WMIC NICCONFIG?

I have a small subroutine giving the description and index of the network interface called 'CARTE', so when called with %CARTE%=wireless, it returns the correct index of wireless interface (2), but ...
calade's user avatar
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2 votes
0 answers
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iptables to protect an off-grid device

Let's say I have two device at home: One is not connected to the ethernet as I don't want to be hackable. The other is a classic computer with Internet access. I'd like to get the status of the off-...
Manitoba's user avatar
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2 votes
1 answer
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Mesh network wired nodes: series or parallel connection?

I'm considering setting up a 3 node mesh router: one parent node connected directly to the modem and 2 wired child nodes. I was planning to connect a LAN port of the parent node to the switch in the ...
Hilmar's user avatar
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4 votes
1 answer
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Diagnose a faulty Cat6 ethernet cable not getting 1Gbps

I suspect I have a faulty Cat 6 Ethernet cable in my house, but I'm unsure how to diagnose it further or what repair options I have. I have Cat 6 cabling in my home and noticed that one of the outlets ...
nbeyer's user avatar
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802.1Q VLAN tagging seemingly ignored by switch

I am trying to get hands-on familiarity with configuring VLAN (802.1Q). In my TL-SG108PE switch, I have tagged port 5 with VLAN 507 and also made port 6 part of that VLAN (untagged): Port 6 is ...
Greendrake's user avatar
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Unable to connect two devices via Ethernet because the default gateway for connection keeps getting set as 0.0.0.0

I am trying to connect my PlayStation 2 with my Windows 10 laptop into a network using an Ethernet cable between the two. My laptop is connected to the internet via Wi-Fi hotspot on my Android phone ...
Prothy's user avatar
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2 answers
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Direct ethernet connection without knowing the Subnet

I have two linux devices: A: One has static IP (eg. 10.255.253.5 and mask 255.255.255.0). I cannot know or change this IP. B: The second has a direct access (Screen and keyboard) I'd like to connect ...
Manitoba's user avatar
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1 vote
0 answers
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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 ...
Mow's user avatar
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Long startup of Ethernet connection in Win11

For several weeks now, the ethernet connection of my miniPC (IT11) starts up very slow after boot or sleep (private home network). It takes almost a minute to get a connection. Wifi connection starts ...
monok's user avatar
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Best way to connect to Modem

I have Century Link internet in my home. A ethernet cable runs from a box on the side of the house into living room wall plug. Only the blue pair of wires are in use. The wall plug the installer ...
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CAT6A home wiring - 100mbps over series-connected runs - gigabit over standalone runs

Was hoping to avoid one posting another "100mbps over CAT6A" posts but here we are! Apologies for the length. I'm currently running ethernet cables in a 1900s house (UK) as the walls and ...
clarj's user avatar
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Are there gaps in my stream of Ethernet frames?

I have a device that is supposed to be sending Ethernet frames to my computer. The frames are 76 bytes (not including preamble and start of frame bytes, another 8 bytes), and they are sent at 1 ...
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