Questions tagged [ethernet]

Ethernet is a way of connecting computers together in a local area network or LAN.

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No internet after upgrade to 20.04

I upgraded to Ubuntu 20.04 and now I cannot access the internet using my wired ethernet connection. The network adapter is working as I can access files on my network between this machine and other ...
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eno1 coming back automatically after disconnect

I'm running Ubuntu 20.04 on a Dell OptiPlex 7070. Everytime I turn off my Ethernet connection (Wired Connection 1 with VPN), to be offline, another connection (eno 1) comes back automatically, without ...
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MAC Address stuck at 88:88:88:88:87:88

My Gigabyte H270-HD3 comes with an on-board Ethernet. 00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (2) I219-V Subsystem: Intel Corporation Ethernet Connection (2) I219-V ...
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Cannot access internet through ethernet on freshly installed Ubuntu

I just installed ubuntu 18.04 and cannot get access through internet through ethernet cable Here are the command I already tried to get an idea about the problem. Is enp0s25 the name of the ethernet ...
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Ethernet connection randomly drops out, have to restart to fix

Running Ubuntu 20.04.2 LTS on a Thinkpad T450. My laptop has a 1000Mbit/s ethernet connection. Randomly, and not infrequently (maybe once a day), this connection will fail and go down completely. If I ...
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Impossible to get RTL8125 Realtek driver working on version 20.04 because of build-essential

I have installed Ubuntu 20.04 on a new PC and I can't have internet on it because of a driver problem with ETH 2.5G (don't have WIFI card). I downloaded the good driver on Realtek website but I'm ...
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Ethernet cannot connect

I don't have external WiFi and ethernet is my only source. I can't copy and paste anything since I am on a MacBook at the time of writing this. My other PC is running into this issue (Ubuntu 20 + 21). ...
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Extremely slow Ethernet download r8168

How do I fix my slow ethernet download speed? Kernel: 5.11.0-16 Ethernet controller: Realtek RTL8111/8168/8411 Ethernet download speed is between 7-10 Mbit/s, upload is 50-53 Mbit/s. Wifi download ...
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Network 180x slower than Windows or VPN solution

I am having extremely low speed for AWS downloads on Ubuntu and I started to investigate. Here is what I found: OS Configuration S3 AWS eu-west-1 Oookla Speedtest Download Ubuntu 20.10 Kernel 5.8.0-...
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Weird VPN PPTP behavior

I have Debian 10 Buster installed and I use a PPTP VPN correctly configured using native Debian network manager to remotely connect my Windows 10 PC in my working place. However, I am facing a weird ...
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Wake On Lan not working in Ubuntu 20.04

I'm trying to set up wol on a laptop connected to a tp-link adapter by an ethernet cable. The PC that sends the magic packet is also connected to this adapter. I've already followed this to enable wol ...
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Wifi is disconnecting when a wired ethernet connection is made

I am fairly new to Ubuntu. My issue is on Ubuntu 16.04 LTS. When I boot up I can connect to wifi, which is established through the use of a USB network antenna. I am working with a slave device that I ...
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Create a bridge between tap and ethernet interfaces

I've a (Ubuntu) Linux machine that hosts the Android emulator. I'm trying to create a bridge between an ethernet interface and a tap interface that I created. I need this tap interface to make the ...
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What Ubuntu component is taking down my IPv4LL and how do I stop it?

I have a workstation running Ubuntu 20.04 LTS. I plug an embedded-linux device into it ethernet-port-to-ethernet-port and they are supposed to self-assign IPv4 addresses (although I have to use Linux ...
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Ethernet Not Recognized. Wifi connection failed been stuck over 2 days

Hi guys thanks for any imput. I tried a bunch of commands i've found from forums still doesn't work. I installed 20.04 clean install from usb and after install it doesn't recognized and see i have an ...
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20.04 LTS and B550 motherboard - ethernet problem

First question so apologies for the long one. This is somewhat similar to other posts like this one: https://ubuntu-mate.community/t/realtek-rtl8125-2-5gbe-ethernet-not-working-on-amd-b550-mobo/22469 ...
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Ethernet/LAN not detected on Gigabyte B550 Motherboard w. dual boot windows/ubuntu20.04 on separate SSDs

ISSUE Originally my motherboard was working fine with only Windows. After adding a separate Ubuntu SSD, my ethernet LAN port has stopped being recognised, both by Windows and by Ubuntu. I don't think ...
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network.manager service does not start, but can start with ethtool down+up

I have ubuntu 18.04, 5.4 kernel and a b550 motherboard with Intel Ethernet (up to 2500mb) it also has an integrated ax200 wifi+BT chip which doesnt show up, but im not worried about that right now My ...
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Ethernet problem on Ubuntu 20.04 in dual-boot with Windows

I'll try and make this short, Not that long ago I had Kali Linux but I didn't use it cause I couldn't get Ethernet on it so I uninstalled it and downloaded Ubuntu 20.04 today, I booted into it, ...
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ethernet not working but is connected

The short story: I just installed Ubuntu 20.4.2 on a tower that was previously running on Ubuntu 18.x. The network was working fine before the install, but I can't see any network now. I can see the ...
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guess ethernet interface is bounding, where would I find a log that proves or disproves

I have a program that is sensitive to ethernet interface changes or bouncing on and off. The program in question is a monster (microk8s), so it could be failing for other reasons. Also, on occasion, ...
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USB Ethernet adapter randomly disconnecting and reconnecting

USB Ethernet adapter randomly disconnecting and reconnecting I have a USB adapter that works well on a windows machine, but I tried everything to make it work well on Linux. It disconnects, but the ...
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How to assign the same static IP to a wired and wireless NIC?

I have a machine (18.04, will be 20.04 at some point) that has a wired NIC as well as a USB card with a wireless one. It is usually connected by cable, but sometimes the cable is disconnected (...
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Cannot connect to Internet over Ethernet

I recently upgraded to Ubuntu 20.04 from 18.04, and my Ethernet connection is not working. When I was using 18.04 everything was working fine but since the upgrade I can't get a wired connection to ...
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r8125 PCIe card not working with 20.04.2 / kernel 5.9 / Gigabyte B550M-DS3H

I am attempting to upgrade my home network to 2.5 Gbps ethernet using r8125 PCIe cards (Cudy). After considerable troubleshooting effort and research, I am unable to get this working on this machine. ...
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Ethernet not loaded [duplicate]

I have a fresh installation of Ubuntu 20.04.2 and wifi is working normally but ethernet is not loaded at all. Like a driver is missing... This is what I get from lshw -C network *-network UNCLAIMED ...
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Multiple Ethernet Ports losing configuration and not getting up after boot

I have recently installed Ubuntu Server 20.10 on Desktop PC, with 3 ethernet ports on that PC. The problem is that: Whenever the server is rebooted, the ethernet ports do not automatically go up ...
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Losing internet connection after shutting down

I am experiencing a very peculiar issue lately with my home network. The issue is the following: When casually working and doing stuff my internet connection is flawless. No interruptions or ...
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Cannot Establish Wired Connection (20.04LTS)

After an upgrade, my wired ethernet connection no longer works. I tried setting the ipv4 method to manual and filling in the fields as: Address: 192.168.0.37 Netmask: 255.255.255.0 Gateway: 192.168.0....
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IPV4 Connectivity isn't working, IPV6 working fine

I have set up a Raspberry Pi with Ubuntu Server 20.04 LTS, however I run into some connectivity issues, especially regarding IPV4. It seems however that IPV6 is working correctly. Here is an example ...
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not able to access wired network

i have installed Ubuntu 20.04 on my hp pavilion dv4 notebook laptop. when i insert the network cable, it detects the speed of the net. but after i gave all the settings. not able to connect to the ...
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Dualboot Ubuntu - Cable unplugged or no connection

Actually i use windows. I want to switch to ubuntu but I have a lot of issues here. I install ubuntu next to windows and on windows ethernet connection works. When I boot on Ubuntu first there is the ...
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No ethernet link detected on Ubuntu 18.04 for unknown reason

I am running into an issue on my Dell device where during boot up, the ethernet link light is on but then it goes off after fully booting and the two ethernet ports are no longer recognized. This is ...
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How to make Network Interface can be use for specific user using UFW?

Suppose I have 2 user, user1 and user2 and I have 2 network interface eth1 and eth2 How to make user1 ONLY can use eth1 and user2 ONLY can use eth2? I see couple of guide many of them are recommend ...
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Fibre internet speed too low on wired connection (20.04)

EDIT: Windows 10 has the same issue but when I turn off Ipv6, the speeds jumps to normal. However, turning it off on Ubuntu does not solve the same issue. My Windows laptop goes up to 300 mbps, but ...
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Ubuntu 20.4 Desktop Wired network unclaimed/Setting Missing

New to Ubuntu, linux (as in my first install was 3 days ago). Had it working on a wired connection initially, but then installed a few system updates, and then my wired settings were gone. I've ...
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How to set a new name on a network interface named enp**

I've been trying to change the name of one network interface of my virtual machine. I have a couple of interfaces and I do not want to disable the predictable network naming. I just want to modify one ...
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rsync over direct ethernet connection slows down quickly

I've connected two Ubuntu Server 20.04 machines with a direct ethernet connection. One is a computer with a RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller, the other is a Raspberry Pi 4 ...
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Ethernet connection not working with Ubuntu 20.04

Problem My wifi connection works fine, but Ethernet (plugged with a USB cable) does not work. It works fine on Windows. What I've tried I tried installing the r8168 driver, reboot. But it did not help....
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Connect Ethernet connection on boot without login using NetworkManager

I am trying to get my Ethernet connection to work using NetworkManager without logging in when the system is booted. System is Ubuntu 20.10. I did some research regarding the network configurations ...
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Ubuntu 20.04 Ethernet R8168

This is info of my hardware : lshw: ubuntu@ubuntu:~$ sudo lshw -C network *-network description: Ethernet interface product: RTL8111/8168/8411 PCI Express Gigabit ...
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Ubuntu 18 with 2 externals and one internal NIC, I can only acces my server from one external NIC at a time

Internal network : 192.168.10.X External network : 149.58.60.X Here are my interface : eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:...
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Route traffic through interface x based on destination ip

My computer has access to two different networks. With ethernet cable everything is routed through the company proxy server which blocks some services. But I also have an wifi-network which is ...
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1answer
39 views

Ubuntu limiting my shared connection to 10mb/s

I am using a laptop to share internet to my pc, via lan cable. I have a 50mb/s line however the connection that I am getting on the pc is 10mb/s. the laptop itself is recording between 45-50mbps on ...
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No Internet on Ubuntu

Connection successful but no internet on hardware set when any Linux is running. Have tested cables, router, and network interfaces. Have installed multiple distros, including the latest betas. Have ...
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I Update Ubuntu 20.04 And It Knocked Out My Ethernet And Wifi

This is really frustrating. Every update knocks out my connection. Luckily I kept a download of my ethernet driver in my Downloads folder and was able to reinstall it in seconds. But it would be nice ...
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How to selectively alternate between DHCP and Static IP from Network Dialog, Ubuntu 20.04

I desire to be able to connect LapTop EtherNet port to either a DHCP router OR a static IP 3D Printer. I have a EtherNet connected 3D printer, to which I have a CAT5 cable directly connected between ...
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150 views

ethernet not working after reboot on Ubuntu Server 20.04.2

I had an ethernet connection successfully working, but now after a reboot it's no longer working. sudo lshw -C network reveals *-network ... description: Ethernet interface ... ... product: ...
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How can I ssh over wifi when connected to ethernet too?

I have a raspberry pi with a picamera that is connected to a device remotely. I can stream the camera to the local network so that I can record and watch the camera. This works fine, I just have to ...
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Ubuntu 18.04 - No longer access wired Internet through ethernet after Kernel upgrade and supsended laptop

I am using Trisquel 9 (based off of Ubuntu 18.04 -- Bionic) with KDE Plasma. I recently upgraded the libre Linux Kernel to 5.11.4-gnu which required many system services to be restarted. After the ...

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