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Questions tagged [ethernet]

refers to the wired style to connect a bunch computers or a way to connect to such network. This tag is for both software and hardware part of this issue.

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Setting up multiple network interfaces using /etc/network/interfaces

I'm trying to setup my 4 network interfaces to have a specific dns-nameservers and dns-search so I can be connected to my domain using any of them but it's not working properly as when I run systemctl ...
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0answers
17 views

Elementary crashes router when plug in Ethernet cable; Windows, no problem

I've already tried this more than twice. I can connect my laptop via Ethernet cable to the router on Windows, but when I do so on Elementary, the router instantly crashes and reboots. I can use WiFi ...
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0answers
36 views

Where can i download the source code of any operating system? [closed]

Where can i download the source code of any operating system? I want to use it in my machine.
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0answers
7 views

Share EasyTether Tap Adapter Over Ethernet / Other Network?

I am using EasyTether Pro on Arch Linux. I read the Arch Internet sharing Wiki. It and some other sources gave me some commands to work with: easytether-usb dhcpcd tap-easytether sysctl net.ipv4....
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0answers
53 views

Ubuntu ethernet and wifi keep dropping have to keep restart network interface [closed]

A company was installing a new server in our lab and all computers internet (both ethernet and wifi) on ubuntu is down the day after(windows works fine, my laptop dualboot into windows and both ...
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1answer
81 views

How is systemd supposed to work regarding network interfaces?

It is well-known that systemd changes the network interface names from e.g. eth0 to enp0s25, and this is called "Predictable Network Interface Names". On my system, eth0 is called "enp0s31f6". And I'...
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0answers
25 views

UDP send buffer error in netstat

I we are running voice application which stream UDP (RTP) packets for voice, I am investigation some strange issue where my ifconfig ens4 | grep error counter going up specifically overrun If you see ...
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2answers
60 views

Network Unreachable For Ethernet Interface Arch Linux

Everything was working fine up until today, I've been fiddling for hours trying to configure ethernet on my arch install with no luck. I run a dual boot system with windows and networking seems to be ...
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46 views

Unable to connect to internet after enabling wake on lan on Debian 9

I've enabled Wake-On-Lan on my debian machine with this tutorial. I didn't have the option to try it out or reboot, and went to sleep. The next day, a power surge happened, and rebooted my computer, ...
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1answer
19 views

Can i configure the browser to use one network interface and other apps to use the second?

I have a Linux box (Debian 9) with 2 NICs (Ethernet & Wifi) and they both connect to different networks. Is it possible to configure the browser to use the Wifi NIC and all the rest of apps to use ...
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0answers
47 views

VOIP worked with Mint 19.1 & kernel 4.4, fails w/ kernel 4.8

With Linux Mint 19.1, kernel 4.15, I connect to the Internet using WiFi, and want to share the Ethernet connection with a Grandstream IP Phone. I have done: click | network connection | wired ...
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0answers
31 views

Ethernet network disconnected but the cable is actually plugged in

I have recently installed GalliumOS alpha on my Acer Chromebook 14. WiFi works flawlessly, but I can't get the Ethernet connection to work as network manager says "disconnected" under Ethernet Network....
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1answer
44 views

Gigabit ethernet requires replug to work for kernel 4.20

I have a Microchip sama5d36 board that has a gigabit ethernet (KSZ9031RNX) and 10/100 ethernet (DP83848J). When I use kernel 4.20 the gigabit ethernet wont connect until I unplug and replug the ...
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votes
1answer
116 views

What is the meaning of rx_missed_errors?

When we test the eth card with ethtool -S we get rx_missed_errors: 4649. What is the meaning of rx_missed_errors? Is it a major problem? rx_over_errors: 0 rx_crc_errors: 0 rx_frame_errors: 0 ...
2
votes
2answers
130 views

A start job is running for eth0

I am using a new installation of Arch Linux and whenever I boot my system I have to wait for 90 seconds as there is a start job running for my network interfaces. I installed Arch yesterday and ...
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0answers
47 views

Udev - Network cable hotplug event not catched

I'm running a buildroot custom linux (kernel 4.9.87) on a custom board based on an Atmel Sama5d2. I'm trying to configure the network on the eth0 interface using dhcp only at hotplug. Originally, ...
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1answer
76 views

meaning of “brd” in output of IP commands

In the following example: $ ip a | grep scope.global inet 147.202.85.48/24 brd 147.202.85.255 scope global dynamic enp0s3 What does the 'brd' mean?
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1answer
81 views

Altering eth1 MAC address [duplicate]

I need to alter the MAC address for eth1 ethernet device on my embedded system permanently so it retains this MAC address on every boot. The OS I'm using: VERSION_ID="v2015.12" NAME="Angstrom" ID="...
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0answers
40 views

Impossible to set the default gateway address on boot-up

I am using a BeagleBone embedded computer running Debian. I have two network interfaces : 1) A connection to a cellular modem over USB which uses ppp and connects to the outside world. It receives a ...
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0answers
83 views

Cannot get all my ethernet ports detected/connected

I'm trying to make connections through my 3 ethernet ports but for some reason my ubuntu can only detect 2 although there is a wired connection in the third port as well. Below is the result of ...
1
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1answer
262 views

Kali Linux - Wired connection failing unless machine gets restarted

I am using the newest version of Kali Linux (2018.4) but I have the following unusual issue. If I boot my machine up with the ethernet cable plugged in, the eth0 interface works just fine. However, if ...
2
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1answer
183 views

What happens if remove auto eth0 from /etc/network/interfaces

I am using a BeagleBone and have two network interfaces. One Ethernet interface which will connect locally to another device, and a ppp interface over USB which connects to a cellular modem. I want ...
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0answers
149 views

ubuntu linux machine fails to connect to wired network but recognizes ethernet cable

I got a new Ubuntu/Linux machine (Ubuntu 18.04.1 LTS) that I am trying to connect to the internet for the first time, wired via ethernet cable. Under Settings >> Network >> Wired, there is an On/Off ...
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2answers
34 views

Wake on LAN directly via Ethernet

I want to use wake on lan with my LG TV but it is only supported via cable connection. Is it possible to connect small computer (Orange Pi) directly to the TV via cable and send Wake packets directly?
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1answer
39 views

How do I connect to a QNAP [closed]

BACKGROUND DETAILS: I've inhereted a QNAP TS-459U-RP. I currently have it connected to my home router via an ethernet/rj45 cable. My computer is connected to the same router. How do I access the ...
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0answers
26 views

Run pppd with custom MAC address?

I want to run multiple PPPoE accounts on my Linux machine but unfortunately, each PPPoE account requires a different MAC address and my machine only has 1 Ethernet interface (buy another adapter is ...
2
votes
1answer
239 views

How to connect to ethernet while installing arch linux?

I am trying to install arch-linux on my thinkpad following the installation wiki. I plugged in the ethernet cable, and the ip link command will show: enp8s0: <BROADCAST,MULTICAST,UP,LOWER_UP> ...
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1answer
88 views

Wired ethernet disconnect after first webpage

I have an issue with my wired ethernet : After i plug it, the internet connection seem to be ok (ping at google.com --> OK), **but when i go to a website, after loading the first page, the connection ...
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0answers
54 views

Network teaming configuration

How to configure the teaming network? On our redhat machines we configured as the following the teaming network On each machine we have two links - ens1f5 and ens1f6 And we add the team0 file to ...
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0answers
35 views

Network teaming VS bonding configuration

as I am understanding we can set on Linux configuration BONDING or network teaming both approach support LAN fail over for example if on the server we have the following up link eth1 eth2 in ...
3
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1answer
385 views

Disable Wifi on Connection to Ethernet with NetworkManager

How can I disable my Wifi radio when I've connected to a network via Ethernet (wired), but enable the Wifi connection if I don't have a wired connection? Essentially, I want XOR switch for my wired/...
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1answer
86 views

Network capture using ethtool points to problem?

Issuing this: ethtool -S <network device> | egrep "err|fail" I get the following errors: tx_lost_interrupt: 225 rx_alloc_fail: 36297 What is, tx_lost_interrupt and rx_alloc_fail ? Do ...
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1answer
61 views

Busybox USB Ethernet adapter

I have an embedded device running busybox on an ARM 7 processor. How would I go about using a USB -> Ethernet adapter for network connectivity? Currently I only have a serial console. The system ...
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1answer
187 views

Can't permanently assign additional IP addresses to USB ethernet adapter via /etc/network/interfaces. Why?

I want to assign multiple IP4 addresses to a USB->Ethernet adapter in an Ubuntu 18.04 LTS system. I have removed netplan, since I find the yaml-based configuration even more obscure than the ...
3
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1answer
248 views

docker0 network interface is screwing up my network

I've installed docker on Ubuntu 16. Now I can no more connect to my wired network : ubuntu is using docker0 ethernet interface to connect to the network (the wifi interface still works) To resolve ...
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1answer
36 views

How can I track down the source of an Ethernet ARP table issue between Linux laptops?

On our home LAN, after rebooting the router, I cannot ssh from laptop A to laptop B except via the router. However, after doing a ping from laptop B to laptop A, I can connect normally from A to B. I ...
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0answers
38 views

Network Switching

Is it possible to switch between Wireless and Wired Connections when both are connected without switching off either one of the two connections in Ubuntu 18.04? The thing is that when I want to ...
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1answer
462 views

What does rx_csum_offload_errors mean?

I asked same question on serverfault but since I'm not sure where is proper to ask that I'm asking same question here. I see too many rx_csum_offload_errors on ethtool output and it constantly ...
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7answers
3k views

Naming convention standard for Ethernet and Wi-Fi interfaces on Linux machines

What is the naming convention standard for Ethernet and Wi-Fi interfaces on a Linux machine? We are developing a tool that should show only the Ethernet and Wi-Fi interfaces of the Linux machine and ...
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0answers
74 views

How does the Linux 3.10.105 kernel handle Ethernet broadcast storms?

In my embedded Linux device I want to find the source of Ethernet broadcast storm and flash the led once I detected the ethernet broadcast storm. Does Linux kernel handle broadcast storms? Is there ...
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1answer
28 views

discover eth0 after boot

On my embedded system I have an Ethernet PHY which is normally in reset state. There's a GPIO driven by the processor for the reset signal. If I bypass the driver on board and force the PHY in Non-...
0
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1answer
44 views

linux & identify the interface name on remote machine

lets say I want to ping to some machine as from my machine - moon ping -c 1 master01 now I want to understand what is the interface name in master01 machine that get the packet from ping so how we ...
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0answers
125 views

Linux Interface RX error & rx_brb_discard counter higher

I am running CentOS 7.5 Linux and server is totally idle no in production but today i got alert stating interface eth error and when i check interface counter was very high but it stopped after that, ...
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2answers
524 views

How set up link aggregation (bonding) in linux mint 19

I am using network-manager. I tried bonding my two wired connections eth0 and usb0, using GUI similar to nm-connection-editor (eth0 is connected to my router and usb0 is connected to cellphone). I can ...
2
votes
1answer
80 views

Share USB audio device over Ethernet [closed]

I connect my Linux laptop to an Onkyo P-3000R (a USB DAC) using a 10 meter USB cable. I would like to replace that long USB cable with a WiFi connection, if possible. I could connect my Onkyo USB ...
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0answers
176 views

USB-Ethernet adapter stops working periodically, as if going to sleep

My laptop uses a USB-Ethernet adapter for a wired connection. Periodically, while actively working, the connection is lost. NetworkManager tries to connect and to obtain an IP address via DHCP but ...
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0answers
33 views

Avoid bringing down ethernet iface when cable is unplugged

I have a device connected to my computer via Ethernet cable (I am actually using a USB to Ethernet adapter), and sometimes I have tu turn this device on and off . The interfaces file for the Ethernet ...
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0answers
133 views

Not able to configure eth0 on boot up

linux 4.9.11 android O I have a nxp imx6 sabresd reference board. I do not get my eth0 up after doing this ifconfig eth0 192.168.7.5 netmask 255.255.255.0 up the log I get after this is, adev_6dq:/...
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0answers
41 views

Network interface not up

Ethernet interface shows down. Tried to make it up with the below command, but still it shows down. root@DLC-200:~# cat /sys/class/net/eth2/operstate down root@DLC-200:~# ifconfig eth2 up root@DLC-...
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1answer
83 views

How to regenerate a complete config file from a kernel Image from buildroot

I have an Image that I generated using buildroot that boots a kernel from an SD card and it works perfectly. I changed a few settings in the buildroot menus (I can't remember which ones) and now ...