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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can i use a network switch plugged into a wall outlet that is already coming from a switch?

in an effort to better connect my house i am setting up an in-wall wired network in my home to provide a wired option to every room. i will be setting up a gigabit 8 port switch in the laundry room ...
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Ethernet cable works when plugged in directly, but not through modem

I have set up an ADSL modem/router as a switch, by forwarding the DHCP requests to my main router which also fulfills the role of a DHCP server. I have achieved this by plugging in the ethernet cable ...
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(Win10) I have two different routers. How do I quickly switch between them, manually?

I have two routers, each connected to a different internet provider, with each having their own subnet. Both are accessible over the same LAN cabling (i.e. all devices are on the same Ethernet switch)....
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Why did my network work with crossed cable

I recently checked my home network and noticed that one socket I had was accidentaly set up so it made a cross connection (with pins 3-1 and 2-6) being crossed. I fixed my mistake but my network also ...
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Setting up a VPN on my Firewall (Zyxel ATP200)

I just wanted to preface this by saying that I am not very experienced in networking in general and have been trying to pick up things as I am going along. My setup: I have been trying to setup a VPN ...
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Using Both wifi and Local network

Hope all doin good.. Kindly i need a help in how to use my laptop to access the Internet via wifi while i am using the same laptop to access my company network with access to the all VLANs via ...
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Modbus TCP Corrected Message

I am using freemodbus library for the stm32 modbus TCP client example. But I want to learn how to protech modbus tcp message on the line. For example Master wants to read 5th holding register from ...
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Devolo dlan pro 1200+ WiFi AC Ethernet Switch Configuration

The Devolo dLan pro 1200+ Wifi ac provides VLANs only for WiFi SSIDs. As Delos is based on OpenWrt, I wonder if it's possible to utilize swconfig to add VLAN tags to the internal ethernet switch. From ...
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Ethernet network across multiple floors

I'd like to create a wired CAT6 Ethernet network across multiple-floor house. The cables runs through an unused chimney and the rack contains an ISP modem and my own router. What is the best strategy ...
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Connected but no internet after changing internet setup

So I was trying to redo some internet cables and in the process, the internet failed to work. It is broadcasting wifi with no internet connection. My setup is basically, Coax runs into the Motorola ...
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1Gbit connection becomes 100mbit connection after adding router

Recently I got myself a TP-Link Archer C80 router because the default one from ISP didn't really work well for wireless. I am including my network topology diagram. Everything before the change was ...
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Share WiFi to Ethernet

How do I share my wireless internet to another computer directly connected with ethernet from both end ? no router whatsoever. I've tried the sharing tab but the local area connection doesn't get an ...
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Wired Internet Connection Fails After Running Speedtest

The internet in my house works fine, until I run a speed test on my ethernet wired desktop PC running Windows 10. After running a speed test, ALL wired devices fail until I reboot the desktop, and ...
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Ethernet cable CAT 7 installation

I'm installing an ethernet network on my house. One of the cable goes under the floor so this installation is meant to stay like this for a while. So I try to buy the most recent hardware for future ...
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Lan cable passes cable tester but doesnt work (partially)

So I bought brand cat 7 roll from amazon with good reviews (dont need cat7 in this particular case just want to connect a 2 meter cable @ 100mbps) How I connected the ends 1st pin orange stripes 2nd ...
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Ethernet is connected and active, but browser cannot connect to Internet; WiFi connects fine

With ethernet cable connected, I can ping the router. Using a browser and letmeoutofyour.net:8080 returns W00tW00t, 443 sits and spins. I am using a MacBook Pro early 2011, with High Sierra 10.13.6. ...
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Kali Linux not connecting to network via lan

I tried all solutions available on the internet but none work. I changed(added) interfaces to: auto eth0 iface eth0 inst dhcp I changed NetworkManager.conf to [ifupdown] managed=true I restarted the ...
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Fixing high latency on a single device on a wired LAN

I have a device on a wired LAN that has really, really high latency on a ping. 599ms and higher. I cycled power to the device and the latency dropped back to <1ms. That lasted for about three days ...
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Desktop computer connected to Gigabit Ethernet does not speedtest to full Internet speed

My main home computer is a recent Win10 desktop with a Gigabyte B450M motherboard (Ryzen 3600, 32GB ram). The motherboard has a Gigabit Ethernet port connected to a regular Gigabit switch, then to a ...
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KVM including network?

I have a situation where there are two computers and only one display, keyboard and mouse to control them. The obvious solution would be to use a KVM to switch between PC one and two to control them. ...
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Ethernet speed is limited to 100mbps

I am trying to setup internet connection on Intel NUC PC, but having issue with getting desired speed. Ethernet adapter (Realtek PCIe GBE) supports gigabit speed. When connected, status shows 1000/...
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Ethernet/router work separately. Connection drops when both connected

My internet connection drops when I connect my desktop to ethernet through the router. If I connect wirelessly through the router or via ethernet by plugging the network box (I am in an apartment) ...
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ICMP and ARP Forward

I've five custom ethernet switch device in my network (custom ethernet switch include stm32+microchip ethernet switch). They have RSTP protocole and blocking loops perfectly. But when I connect the ...
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Ethernet adapter fails after suspend

I just buyed a new PC and the Ethernet adapter fails after wake up from suspend mode. OS Windows 10 Home Motherboard Asus B450-F RogStrix Ryzen 5 1600 The onboard adapter is an Intel I211. Windows 10 ...
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Is there a USB B to Ethernet Adapter for an External 3.5 Hard Drive?

I have a 3.5" 4TB HHD in a cheap NexStar enclosure connected to my GS63VR laptop via usb 3.0 and it's 90% full. The data is/was in the process of being backed up to back blaze but it will take ...
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1 Gigabit Router Impact on LAN

I am trying to increase the speed of my LAN, but I'd like to avoid over-spending on system components. Specifically, I am setting up a NAS file storage system and I am experiencing extremely slow file ...
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How to capture wireless packets over Ethernet port along with Wired

I am trying to capture and analyze my network traffic. We have a wireless router and it have clients as both wired and wireless. My Kali computer which is connected to the router over Ethernet port ...
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Windows Explorer in Win10 does not show all PCs on the Ethernet network

I have a small peer-to-peer network with two Win10 PCs (call them A & B) and two Win7 PCs (C & D), a laser printer and a Broadband router (plus a laptop on occasion) all wired through an eight-...
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49 views

Unable to use gigabit ethernet

A couple months back, I lost the wired gigabit ethernet connection to my desktop out of nowhere. Since then I've been limited to 100Mbps Full Duplex. Could you help me understand how to get the ...
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Cat5 patch cable: wire number 5 not working

So I have recently found out that all my phone sockets have been wired with cat5 or cat5e cable. I don't know which. I've upgraded my internet so thought about repurposing the cables as patch cables. ...
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Can't connect to router settings

I'm trying to connect to my router settings to do port forwarding with my Default Gateway 62.85.68.1 with ipconfig, but it loads for awhile and shows This site can’t be reached 62.85.68.1 refused to ...
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Issue with connecting two devices with Ethernet cable

I have a laptop and PC to be connected via Ethernet cable. The laptop has internet through WiFi and I would like to share this internet with the PC. I had earlier set up these for file sharing and ...
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Basic TCP Connection

I am trying to use basic TCP-IP communication with two different stm32 devices, one of them TCP client one of them TCP server. On the wireshark picture; Up to the arrow mark both client and server ...
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How do I open this RJ45 wall jack?

Hi I am try to see if the cables in this RJ45 wall jack are put in correctly but I can’t seem to figure out how to open it. Does any know if this can be opened or does it have to be broken?
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TCP port number reused

I am using STM32 TCP Echo server client Cube IDE example. I have server and client device. I can connect first time successfully but when I reset the client, I get after 70 line in wireshark ...
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Need a direct ethernet connection

My work office had transitioned me to work from home. I need to connect a phone via an ethernet cable to my router. The problem is the router is too far away to run a direct cable to. Do you have any ...
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Slow internet connection on ethernet only on one PC

please help me, I have 15mb dl speed on one PC and 400 on every other device, I have 999 ping in games on one PC and it's fine on every other PC I've tried. I'm directly connected to my modem, I've ...
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Send Ethernet Packets under unicast

I am trying create this type of ethernet frame : Dest Address ( first bits zero) + Source Address +Source Ip address +Dest IP address +Data But I dont know Is it neccessary ether type IpV4 08 00 or ...
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Network switch in-between modem and two routers

I live in an apartment and the provided modem only has one ethernet out port. In order to wire ethernet to the rest of the apartment I put in a 5 port switch. Will I able able to connect two routers ...
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Laptop does not detect when ethernet cable is plugged in

I have an MSI G65 Stealth with Windows 10. Any time I plug in an ethernet cable, nothing happens. It still shows "A network cable is unplugged". I have to disable and enable the adapter ...
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intermittent request timing out when pinging

basically as of yesterday ive noticed that everyone in discord sounds robotic as if there is lag. according to discord itself there is 0% packet loss and ping is consistantly low. today it got worse ...
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Basic Ethernet Home Network Cabling

I am trying to set the Ethernet ports around my parents house (CAT 5e) but I am a bit confused as to how to go about it. They’re currently just using wifi with a basic xfinity router/modem. I have ...
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cat5e limited to 100Mb max speed

i have a cat5e cable that the router sets to 100Mb Full Duplex. Trying to set to 1000Mb makes port not work with that cable. Other cables works at 1000Mb full duplex on same port. Only thing wrong ...
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Why am I getting only 50 Mbps on my secondary router?

I got a 100 Mbps Airtel fiber connection installed yesterday. I was getting a constant speed of 120 Mbps but as I was not getting range on the ground floor, I connected my 5 GHz primary router to 2.4 ...
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TCP Modbus Remote Port

I am using freemodbus library for stm32f4 for modbus slave device. I have a problem with Modbus TCP remote port connection, When I powered up slave device, and connect to Modbus master PC than they ...
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Remote Ethernet Connection

I use a laptop to program the controller in machines that we make. The laptop connects to the machine via an standard ethernet cable. I would like to be able to remotely access the machine once it is ...
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TCP Master and Slave Socket Open and Close

I have two device one of them Modbus master and another modbus slave.Modbus master working on windows PC. And it polling modbus read query and expects modbus response. They communicate succesfully ...
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LAN connection not behaving, tried every trick i know

I built a new pc yesterday, installed all firmware ad driver updates (ALL of them) and ran every windows update i had to. This is my situation: Online Speedtest shows download speeds below 1Mbps ...
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How to copy faster between PC and Server

My home network consists of a WiFi router to which multiple wireless devices connect and to which my PC and server are wired over Gigabit Ethernet. Copy speeds between the PC and server are between 80 ...
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Share VPN and Internet through ethernet

I'd like to share my VPN (corporate) and internet to my laptop as a single source from Windows 10 to Mac. The issue right now is that if I share my VPN to my mac, it won't have access to internet but ...

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