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Questions tagged [ethernet]

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

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No internet connection, either ethernet or wifi, after updates Ubuntu 20.04.6

I've been using Ubuntu 20.04 since June 2022, so new-ish to this. I am not a programmer, nor do I customize the OS in anyway, I just enjoy using opensource everything. I have a vague understanding of ...
Eli Sachse's user avatar
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2 answers
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Very slow wired internet connection after motherboard upgrade [closed]

I've upgraded my motherboard from an "MSI B450 Tomahawk Max" to an "MSI Mag X570S Torpedo Max". I did not reinstall Ubuntu and initially, on the first boot, everything seemed to be ...
Rupert Madden-Abbott's user avatar
13 votes
1 answer
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What is MTU on a network adapter and what problems can wrong MTU cause?

What is the MTU value on a network interface, and how does its value impact a network? How can I check what it is and change it?
vidarlo's user avatar
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Ethernet connection hangs

I'm getting my wired (i.e. Ethernet) connection hanging on trying to connect. I've tried switching ports (on the router) and using a different cable, but still the same. ifconfig shows for Ethernet: ...
John Rose's user avatar
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Wired netwok / netplan is missing

I am using Ubuntu 22.04 in my VM. Until today, I was able to access the internet on my Ubuntu machine, but all of a sudden I see there is no wired network option available in settings. And also there ...
Arshad's user avatar
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Problem with wifi connection when usb ethernet is connected

I have a usb ethernet connection and a wifi connection. My problem is that sometimes when the usb ethernet is connected my wifi stops working and I can't use the internet anymore. How do I solve this ...
amirhossein's user avatar
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2 answers
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Dual-NIC Ubuntu Netplan configuration for webapp via DMZ and internet via LAN

I have a Dual homed Ubuntu 22.04 LTS Server that has one NIC in DMZ and the other in LAN. I've been wrestling with the netplan configuration and my searching has found many mixed recommendations on ...
mark2tech's user avatar
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Persistently configuring 10Mbps ethernet interface

In order for my cell modem gateway to run in low power mode its ethernet interface must be configured to 10Mbps full duplex (not auto, even if the connected device is 10Mbps). On my SBC running Ubuntu ...
davegravy's user avatar
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Share desktop's WiFi internet with Raspberry Pi over ethernet

I'm trying to set up my RPi in headless but having trouble with sharing my Ubuntu desktop's WiFi internet over ethernet. This question has been asked before indeed, but they just don't work for me for ...
Colin's user avatar
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Ubuntu 22.04 ethernet icon appeared and the internet is is not working websites giving dns error

So I was using a vpn on Ubuntu 22.04 and when I switched country it gor stuck and crashed after I which rebooted my system but when I checked the location and time it was still showing the VPN ...
Mustafa Ahmed Rizwan's user avatar
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No internet access is down for both Wifi and Ethernet on Ubuntu 22.04

My computer was working fine yesterday but when I switched it on this morning, the internet access was not possible anymore. The network connection works fine as I can access to my NAS and to other ...
Regis Ega's user avatar
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Replace dead network card

I had to replace the burned network card on ubuntu 20.04. I thought (hoped) that the system would recognize and autoinstall the new card, but it didn't do it. I am totally new to Linux. How must i ...
Rolando Bertone's user avatar
-1 votes
1 answer
55 views

OrangePi 5 disconnecting from internet-less ethernet

We just purchased an OrangePi 5 and tried to run both the OrangePi Bullseye OS and Ubuntu Focal yet we face the same issue in both. The ethernet (eth0) keeps disconnecting from our Doodle Radio (which ...
gabe6540's user avatar
-1 votes
0 answers
59 views

No wired connection - Ubuntu 22.04

For a few days, I no longer have wired connection on my HP laptop running Ubuntu 22.04. It works with an USB-C adapter but not on RJ45 port. Ethernet controller is find on lspci: $ lspci -vvv -s 00:1f....
aback's user avatar
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Wake on lan via phy activity

I am trying to enable wake on lan via phy activity which I would assume any network access to this network card should wake it. I can wake on lan via magic packet and that works sudo ethtool enp4s0 ...
xokia's user avatar
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Destination Host Unreachable Ubuntu 18.04

I have two FPGAs configured with IP addresses, 172.17.0.106 and 172.17.0.107. I connected these FPGAs to the Ubuntu PC via etherent. I set static IP address for these ethernet connections as shown ...
Nithya's user avatar
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After upgrade to 23.04 I see the same kernel problem as others with linux-image-generic, but mine comes from ethernet-realtek-r8152. How can I fix it?

I rebooted with an older kernel, tried dpkg --configure -a, got this: Setting up linux-image-6.2.0-20-generic (6.2.0-20.20) ... Setting up linux-headers-6.2.0-20-generic (6.2.0-20.20) ... /etc/kernel/...
Eugenio Perea's user avatar
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Ethernet is on 100Mb/s instead of 1000Mb/s

I need help to get running my ethernet to 1000Mb/s. My system is Ubuntu 22.04 Here my spec: lspci -nnk | grep 0200 -A3 21:00.0 Ethernet controller [0200]: Intel Corporation I211 Gigabit Network ...
Code4Fun's user avatar
1 vote
1 answer
76 views

Ubuntu doesnt detect wifi or ethernet. *-network UNCLAIMED in Windows / Ubuntu dual boot

I have a Windows / Ubuntu dual boot. Both have been working fine for months. Initially I had problems with Windows fast boot and wifi not working, but I disabled fast boot and everything has worked ...
Jan-Loettgen's user avatar
1 vote
1 answer
141 views

Ethernet connection disabled in Ubuntu 22.04 OS [duplicate]

Ethernet connection can't be detected in my PC with Ubuntu 22.04.2 LTS OS, this question is also similar to this post, even after trying the suggested answers the problem was not solved. This is what ...
alpha027's user avatar
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RE-Intel 82759LM Not working Ubuntu 22.04

I am running Ubuntu 22.04 on my desktop. My ethernet card is the intel 82759LM. However when I try to use it on my lenovo m82 SFF PC, it registers on the router as being connected and lights up on the ...
Jesse Bassett's user avatar
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32 views

Bridging 4 ports together as a switch, then connecting them to the outside world with a 5th port

The setup: Ubuntu 20.04 box with 5 physical ethernet ports (let's call them eth1 - eth5). What I'm trying to do: Configure eth2-eth5 as a switch, so they can all talk to each other without ...
JamieB's user avatar
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How to set the main network interface to mode macvlan on ubuntu server?

how does one put the main ethernet interface on Ubuntu server into macvlan mode automatically (i.e. for every boot and not just on the command line)? Background and reason: If someone wants virtual ...
Hadmut's user avatar
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1 answer
119 views

Can't find raspberry pi IP address and cant ssh into it? (Running ubuntu 20.04, connected with ethernet)

So I have a raspberry on which I freshly booted ubuntu 20.04 on and I wanted to ssh connect to it. However I'm having trouble finding out what its ip address is. Current connection: Raspberry pi to ...
Saif eldeen Adel's user avatar
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1 answer
50 views

Ubuntu won't detect 100mbps ethernet conection

So recently I bought a new machine and installed ubuntu on it. I connected a 1000mbps ethernet connection to it. Later for some reason, I had to connect to a different ethernet connection that has ...
Eular's user avatar
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74 views

e1000e device loses dhcp lease repatedly

I have a M70q mini PC that is using the e1000e device driver for the ethernet connection. Whenever I attempt to ftp a file to the computer, it loses its IP address. It will regain the IP address but ...
Funkyguy's user avatar
1 vote
0 answers
205 views

No Internet Ethernet is connected, Ubuntu 22.04

I am experiencing a very similar issue to the following: No Internet even though Wifi or Ethernet is connected, Ubuntu 22.04 The setup is a "Dell T5810 Precision Tower Desktop - (Black) (Intel ...
ShareCL's user avatar
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2 answers
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How do I remove the limit from my eth connection in Ubuntu 22.04?

I have a dual boot set up with Ubuntu 18.04 and 22.04. When I log in 18.04 the wired connection in the network settings shows a Link speed of 1000 Mb/s, while in 22.04 it shows 100 Mb/s. Info on ...
Lucas P. Luiz's user avatar
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Ubuntu 22.04.2 LTS is missing ethernet. Wifi OK. All working in Windows 11 before dual boot Ubuntu install

Im a Linux newbie. Im working on Windows 11 pc. All fine. Installed Latest Ubuntu 2 days ago as dualboot. Wifi is ok, but no Ethernet while in Ubuntu. Had "cable unplugged" error and saw a ...
Dane's user avatar
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0 answers
28 views

How to configure multiple permanent static IP addresses (ipv4 and ipv6) spread across a number of virtual ethernet interfaces in 18.04

I am trying to configure the main eth interface as DHCP, and then create 5 virtual ethernet interfaces, each with a static ipv4 and ipv6 address. What is the correct way to do this? I tried using ...
Mauvai's user avatar
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0 answers
163 views

Unable to ping device with MTU 9000 (jumbo frame), but default ping error message shows up

I need to set a local connection with Jumbo Frames enabled. I set up my network adapter to have a MTU of 9000. ~$ ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 inet ...
C. Crt's user avatar
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1 answer
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No wifi adapter found ubuntu, I211

I currently have ubuntu installed on my pc and Im trying to connect it to wifi using Intel I211 adapter, but even after downloading and installing drivers for I211 for linux system from Intel official ...
Matviiuk Sviatoslav's user avatar
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0 answers
19 views

No (wifi) internet after setting Static IP camera on Ubunut 18.04

I am new to Ubuntu so any help will be appreciated. I am trying to gain internet access through a wireless WiFi card after setting a static IP address for my IP camera. Hardware config - 8265 Wireless ...
purplepenguin17's user avatar
0 votes
1 answer
222 views

How to set iproute2 routing table for 2 network interfaces on Ubuntu 22.04

I want to use 2 network interfaces (enp7s0 and enp8s0) simultaneously on Ubuntu 22.04. Both has its own separate internet connection. My default is enp8s0 which I plugged the LAN cable in first. I ...
God of Money's user avatar
0 votes
1 answer
90 views

Wired Connection Not Working, Ethernet Cable Works Properly

I just performed a fresh install of Ubuntu 20.04 on my HP workstation, however the wired ethernet connection doesn't work, even though the ethernet cable works (tested on a different workstation and ...
J S's user avatar
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0 answers
148 views

How to configure DHCP and Static interfaces on Ubuntu 18.04.6 - Destkop

/etc/network/interfaces contains the below: source-directory /etc/network/interfaces.d/* auto lo iface lo inet loopback auto eth1 iface eth1 inet static address 192.168.1.10 netmask 255.255....
tadams's user avatar
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Not able to connect to the internet

I'm not able to connect to the internet on my VirtualBox VM as a bridged adapter. The following image shows where eth is not connected:
Darshan's user avatar
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0 answers
218 views

Ubuntu 20.04 not connecting to Ethernet device

I recently installed Ubuntu 20.04.5 on my MacbookPro (Early 2015) to work on my University internship project, and I am trying to connect a RedPitaya FPGA Board as per the instructions. It is supposed ...
Sourabh Choudhary's user avatar
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0 answers
81 views

how to add loopback permanently in ubuntu 22.04

For now in my ubuntu router server i have to keep running the following upon system restart: ifconfig lo:0 172.16.0.1 netmask 255.0.0.0 up ifconfig lo:0 172.16.1.1 netmask 255.0.0.0 up ifconfig lo:1 ...
Hans Yulian's user avatar
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85 views

netplan bridge ethernet and wifi so that device on wifi can be accessed though ethernet interface

I'm trying to bridge the ethernet and wifi interfaces of a raspberry pi 4 running ubuntu 20, and using netplan. The idea is to be able to access a device that has a wifi hotspot, through the ethernet ...
Ben Bird's user avatar
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0 answers
245 views

Ubuntu 22.04 wifi and ethernet are not working after update Feb 27th

I updted Ubuntu 22.04 on Feb 27th. Now wifi ando ethernet are not parking. It shows connected but I I don't have internet access. I try to boot from old kernel versión but it didn't work. Please help ...
Galo Barba's user avatar
0 votes
0 answers
38 views

Set up multiple static IPs on virtual ethernet interface on Ubuntu 18.04

I'm trying to set up 5 static ipv4, 5 static ipv6s and a dhcp ipv4/6 on a single ethernet card (for unimportant reasons). I don't know if I actually need the ip addresses to have separate virtual ...
Mauvai's user avatar
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0 answers
70 views

WiFi and Ethernet not working after update my system on Ubuntu 22.10. Kernel driver : bcma-pci-bridge

I install new update, after that my wifi and Ethernet don’t work. The card is present, but it is not recognized by the system. Here is my output when type : lspci-nnk | grep 0280 and dmesg| grep bcma ...
MosikasikaC19's user avatar
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0 answers
59 views

How do I force eth0 as default?

So I have a headless Raspberry Pi 4B running Ubuntu 22.04.2 LTS, configured with static IPs in /etc/netplan/50-cloud-init.yaml... eth0:192.168.1.230 and wlan0:192.168.1.231. Generally I tend to watch ...
Charlie DinAlt's user avatar
1 vote
1 answer
67 views

How to fix Nic not connecting?

I'm running Kubuntu 20.04 on an older PC. The NIC on the motherboard has been giving me trouble recently, occasionally disconnecting and requiring a reboot to reconnect. So I added a PCIe Ethenert ...
sbbid's user avatar
  • 13
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1 answer
72 views

Wired Ethernet Unmanaged while using a bridged network adaptor

My server (22.04) uses netplan to manage the ethernet connection and create a bridged network device for a VM. This works fine, the server and VM both get internet access but GNOME says that the wired ...
James Watson's user avatar
0 votes
0 answers
6 views

Ubuntu server support ethernet list [duplicate]

Does ubuntu server 22 support erhetnet driver on asus prime b660m-k motherboard?
Cenk Zafer Akkaya's user avatar
2 votes
0 answers
403 views

I have an usb to ethernet adapter, model no: VK-QF9700. can someone have driver for it

I tried to update and install net-tools,flex,eveusb also tried build essential but its show this error "E: The package eveusb needs to be reinstalled, but I can't find an archive for it.". ...
Sourav Dishri's user avatar
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0 answers
252 views

Netplan not bringing up interface

Having issues with a fresh install of Ubuntu 22.10 to manage wired network. During install it would detect 4 ports, and I configured one with DHCP and disabled all others. It's a very simple ...
The Unique Paul Smith's user avatar
1 vote
0 answers
319 views

No Internet even though Wifi or Ethernet is connected, Ubuntu 22.04

This problem with wifi or Ethernet connected but Internet going out is recent and seems to be happening after restarting, then, inexplicably after some length of time (hours), it starts working again. ...
BeFreeIL's user avatar

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