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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1answer
2k views

Mint 15 on Lenovo G700: wired internet not working (Atheros QCA8172)

Mint 15 doesn't see internet after installing it in dualboot with windows 8 (in Windows internet works well). My network card is Qualcomm Atheros QCA8172 Fast Ethernet (rev 10). What I did: Install ...
0
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0answers
21 views

Mint eth0 not showing

I've recently installed Linux Mint on a fairly old laptop (Dell Inspiron 1501, sorry if that makes you cringe), and I managed to get it to work ... for the most part. However, I ran into the issue ...
0
votes
1answer
314 views

Ubuntu ethernet connection works for few seconds then drops (with Win 7 dual boot)

I've looked through other posts with similar issues but so far to no avail. I'm running dual boot with Windows 7 and Ubuntu 15.10 and although the Ethernet connection works on Windows, when I boot ...
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0answers
17 views

Understanding NIC self test's with ethtool

The below is taken from a previous question: For starters you can use the tool ethtool to run your NIC's self tests. excerpt from man page ethtool -t|--test DEVNAME Execute adapter self test ...
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2answers
1k views

nmcli device eth1 “unavailable”

I have a motherboard with two Ethernet ports, and I would like to get a connection on both ports. Eth0 already has a connection and can be used without problems. Eth1 however shows up as "unavailable" ...
2
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1answer
1k views

Linux Mint: LAN “Cable not connected”, despite it is

I've just installed Linux Mint 13, 64 bit (from the CD of "c't kompakt Linux", if this matters), and came across a very unexpected problem, for which I've not found a solution with Google or searching ...
2
votes
1answer
89 views

make my Debian laptop switch automatically to a backup connection

I have a laptop with Debian OS installed under it. It is initially connected to the internet using an Ethernet cable (via a modem) and I want to automatically switch to a backup wifi connection (which ...
3
votes
1answer
45 views

ICMP - Destination unreachable (Port unreachable)

I have two Ethernet-wired connected devices. I gave to both of them address from same sub-network. As result I can see second device in arp-table of the first. $ arp -a ? (128.247.77.90) at 10:60:4b:...
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0answers
15 views

I need to install ethernet driver during arch install [closed]

I've been trying to set up a dual boot with Windows 10 and Arch Linux. I started off by dual booting Windows 10 and Ubuntu just to get a feel for everything. When I did that I had to install ethernet ...
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0answers
45 views

How can I use two Ethernet cards in AWS Ubuntu LTS 14.0

We are using two Ethernet cards in an AWS Ec2 instance. And trying to ping with both Ethernet card by using ping -I eth0 google.com and ping -I eth0 google.com, we got the response from eth0, and eth1 ...
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0answers
44 views

Can not reach internet through ethernet interface

Working with Debian 7.10, and 'wicd' network manager, when ethernet cable is disconnected and reconnected again, network no longer works until device is rebooted (ethernet interface [eth0] is not able ...
1
vote
2answers
66 views

unable to SSH to eth1 after bringing down eth0

I have a remote machine with 2 interfaces: eth0 and eth1. I am able to ssh using eth0 ip address as well as eth1 ip addr. However, things go strange once I bring down eth0 using the command ifdown ...
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3answers
66 views

Discover Static IP of connected ethernet cable

Ok, so my question is a bit out there, and I've read a lot of similar questions but they never actually are doing what I am trying to accomplish. So the best way to describe it is with this scenario: ...
1
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3answers
4k views

Virtual Interface Not Showing up in ifconfig?

I am trying to create a virtual interface for the purpose of NameBased Virtual Hosting on my CentOS linux box; please find below is the devices' information:- DEVICE=eth0 BOOTPROTO=dhcp HWADDR=00:0c:...
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0answers
24 views

How to disable ethx device under /sys/class/net [closed]

I am looking for a way to disable/delete eth2 entry from /sys/class/net [root@test ~]# ls -l /sys/class/net/ total 0 lrwxrwxrwx 1 root root 0 May 26 08:04 eth0 -> ../../devices/vif-0/net/eth0 ...
0
votes
1answer
2k views

Can't connect to ethernet Linux Mint 17.1 Xfce

I have just installed Linux Mint on my netbook (HP Compac Mini 700). I have managed to make it connect to WiFi, downloading driver, but it won't connect via cable. Strangely enough, the other day, ...
0
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2answers
21 views

(Ethernet cables): Can a straight wire work (slightly) where a crossover-wire is necessary (without MDX)?

If I connect a straight Ethernet cable where a crossover cable should be used. Can I get the behaviour that it works occassionally, once in a while? Too me it seems it would either work or not, not ...
2
votes
1answer
57 views

Network interface crashes after disconnecting eth wire or restarting service

At startup or reboot, network interface works fine. Host is reachable and also can communicate with other devices on the local net or internet. IP address is configured as static, and dns-nameservers ...
0
votes
1answer
5k views

Linux Mint 17, Wifi Slow and Drops Connection, No Ethernet Connection

On a fresh install and updated Linux Mint 17 XFCE, the system cannot maintain an internet connection through wifi, and is unable to connect at all through ethernet. Wifi will work somewhat slowly for ...
-2
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1answer
37 views

Can I install Kali linux with out Ethernet card

I want to install Kali linux on my Laptop, but I don't have a Ethernet card. It is possible to install Kali with out Ethernet or with wifi interface ??
0
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1answer
43 views

Can't find OpenWRT driver for Insignia NS-PU98635 USB-Ethernet Adapter on RPi 1B

I have a Raspberry Pi (1B). It's running OpenWRT (Barrier Breaker - 14.07, r42625). There's an Insignia USB3.0-Gigabit Ethernet adapter (NS-PU98635) plugged in. I can't find the driver for that NS-...
0
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0answers
22 views

How can I set up my ethernet on a fresh install of Fedora Server 23?

I am using Fedora Server 23, and cannot get my ethernet connection to work. It works fine on Ubunutu, OS X, and Windows 7 on the same machine. [root@localhost etc]# ifconfig ens5: flags=4163<UP,...
4
votes
0answers
210 views

Ethernet bonding round-robin not work when 1st interface down

I'm trying to understand the bonding mode=0 (load balancing round-robin). Using eth0 & eth1, I created bond0 interface as the configuration below : root@test-env1:~# cat /etc/sysconfig/network-...
4
votes
2answers
10k views

No wired ethernet connection

I'm using elementary OS (based on Ubuntu 12.04) and yesterday I woke up to no wired ethernet connection. As far as I can remember I changed absolutely nothing, it was working at night and not anymore ...
0
votes
1answer
23 views

Missing NIC in CentOS 5 - AsteriskNow 1.7.1

So I have two nics, but I can't get the second to load, here is the output from lspci -vvv 04:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection Subsystem: Super ...
0
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1answer
44 views

Wifi and Ethernet unclaimed on ubuntu-based linux

I'm trying to finish the installation of elementaryOS (an Ubuntu-based distribution) on a Thinkpad E460. However, I can't neither have Ethernet nor Wifi. In fact, lshw -c network -sanitize shows both ...
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0answers
31 views

Getting Link Speed of USB Ethernet

How to get Link speed of USB Ethernet? $ sudo ethtool enp0s20u2c2 Settings for enp0s20u2c2: Current message level: 0x00000007 (7) drv probe link Link detected: yes ...
4
votes
1answer
77 views

How best to enable end-user configuration of wifi or Ethernet on embedded device?

I'm building a device that includes an embedded Linux computer and I need to allow the device user to (easily) configure the device to connect to their wired or wireless network. I know there are ...
3
votes
1answer
5k views

multiple default gateways for alias interfaces (SOLVED)

Alias interfaces defined in /etc/network/interfaces cannot have multiple default gateways. Unfortunately I would like to use the same interface to access 2 different nets, and I need to define 2 ...
0
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0answers
28 views

add 10G fiber NIC however not able to see it go to up state

I have added a 10G Intel PCIe card to my Linux machine. I have connected both sides of the cable and the remote side comes up when I plug the cable into my linux machine and goes down when I remove ...
1
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2answers
178 views

Cannot connect to the internet (even pinging my own router) on any distro

I always run Windows 10 (Ethernet and WiFi work fine) but I dual boot and changed my distro from Arch (~6 months ago) to Fedora (~3 months ago). Fedora used to connect sometimes and sometimes not. ...
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0answers
37 views

No response to DHCP broadcast

Following on from this question, I'm still trying to get ethernet and DHCP working on a buildroot-based embedded Linux board. Here's what I'm trying: The ethernet interface is brought up using ...
1
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1answer
68 views

ethtool flow control steer igmp packets

I am attempting to explicitly steer igmp packets to the kernel via ethtool. ethtool -U ens1f0 flow-type ip4 l4proto 2 action 0 rmgr: Cannot insert RX class rule: Protocol not supported Doing ...
0
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0answers
12 views

Could two servers connected by one cable use the link in the same time?

I'd like to know if two servers connected through a cable, can use the only connection to communicate in the same time. For example suppose both have are ssh servers, could I log in from A into B and ...
0
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1answer
56 views

Flapping Ethernet connection of Fedora 23

Since a few days I am experiencing a flapping Ethernet connection on my Fedora 23 laptop: the network connection goes down for several seconds every minute. The machine is up-to-date with the latest ...
4
votes
1answer
1k views

difference tun/tap, is the interfaces that handle protocols or the OS?

I have difficulties to understand difference between tap and tun interface. I know it is an often asked question and I apologize for that. I asked the same questions on stackoverflow and someone told ...
1
vote
1answer
55 views

Packets not moving through linux ethernet bridge

I am trying to set up a debian 8.3 machine with eth0 and eth1 bridged, but I can't get packets to traverse the bridge. Currently, eth0 is connected to a LAN with many other hosts, including a DHCP ...
0
votes
1answer
68 views

Setting static ip address for multiple ethernet controller

I have a simple question for which I couldn't find a answer for hours on the internet. I didn't think it's so much special what I want to do, but it seems to be. I have Debian virtual machine within ...
5
votes
1answer
11k views

What is the difference between virbr# and vnet#?

I am running KVM on RHEL6, and I have created several virtual machines in it. Issuing ifconfig command to the host system command line shows a list of virbr0, virbr1... and vnet0, vnet2... Are they ...
0
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1answer
63 views

Ethernet Connected But No Internet

I am trying this on Intel Galileo Gen 2 which runs Yocto Linux and I am unable to connect to Internet using Ethernet. I have WiFi card but that doesn't connect as well. I have tried following commands ...
1
vote
1answer
145 views

Upgraded Debian Stable (Jessie) desktop not connecting to wired Internet

I updated my Debian Jessie installation a few days ago to the current minor version (8.3), which included a new Linux kernel (uname -a gives 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-...
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2answers
44 views

How much was uploaded in the last five minutes?

I do not need some kind of realtime visual status of my ethernet - I want to run my script when last five minutes I uploaded less than X. So I need to get only one number from some command. What can ...
2
votes
1answer
833 views

Network fail on FreeBSD: Ping to router fails, but router believes computer is connected

I have a TP-Link TL-WN851N wireless adapter, which is based on an Atheros device. When I attempt to connect to my WPA2 wireless network, ifconfig wlan0 tells me that the connection is 'associated'. My ...
1
vote
1answer
33 views

Running a VPN through Debian into a router

I will soon have a file server running Debian, and this server has 2 Ethernet ports. I recently came up with the idea that one Ethernet port can come as an 'input' from my actual connection, and the ...
3
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0answers
13 views

Limit access/transmit rights on NIC to a single user application

I currently have a RT patched linux machine and I need to have full and undelayed access to my Wired interface card. I am running a realtime non-preemtable user application which sends a couple of ...
0
votes
1answer
61 views

Eth0 recognized by ifconfig -a, interfaces correct, cannot connect?

So, I had a WiFi connection "working" with WPA Supplicant. That took quite a bit of doing, and wasn't optimal. The networks would drop out every few minutes. I wrote a script which would reset the ...
8
votes
2answers
325 views

“Pipe” Wi-Fi signal through Ethernet cable

Currently the Ethernet ports in the building I work in are down, but the Wi-Fi works. I have a Wi-Fi-enabled laptop (Ubuntu 14.04 LTS (Trusty Tahr)) and a non-Wi-Fi enabled workstaion (Debian 8 (...
0
votes
1answer
42 views

ssh RPi from PC - How to share internet connection?

I have Raspberry Pi connected with PC on eth0 port. I am using eth0 to ssh RPi. I have web application on RPi that requires Internet access. Now, I set static ip to RPi (192.168.1.50) and to PC (192....
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2answers
45 views

Generate raw Ethernet frames with memory preloaded payloads at < 1 ms intervals

I am looking to generate raw Ethernet frames with payload that is preloaded into memory. The Ethernet frames (10-60 full frames) should be generated at 1 ms intervals with no exception. What would ...