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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Identifying MaxSpeed of a Bonded Interface

I have configured Ethernet Bonding for our RHEL 6.2 Servers. Bonding is working fine but few confusion for me when I configured MRTG to monitor the bonded interface. MRTG is showing MaxSpeed of the ...
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3answers
3k 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 ...
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1k views

Unable to install Atheros AR8161 Ethernet controller driver for centOS 6

I've installed CentOS 6.3. However, eth0 does not show up on ifconfig. So I figured out that I need to install alx Ethernet driver from here. Since my internet is not working, as ethernet drivers are ...
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1k views

Why does eth0 only go up sometimes on boot?

I just installed Arch with Archboot. On boot, there's about 50% change of eth0 to go up. If it doesn't I'll have to reboot. What could cause this? If it goes up, dmesg contains: [ 7.9...] IPv6: ...
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425 views

Wlan0 Static Ip bridge

EDIT: Even taking br0 out, still cannot get a static IP connection. I had the following /etc/network/interfaces configuration and it was working auto lo iface lo inet loopback auto eth0 iface etho ...
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67 views

Would it be possible to not have the network link cycled on loading the kernel module?

Using some cheap hardware in a thin-client setup we use a diskless PXE booting a small Linux kernel. Currently, it takes a quite some time to boot it fully up and we're looking into some optimizations ...
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343 views

Configuring multiple static IP addresses for a disk image

Using Ubuntu 10.04 I'm using Clonezilla to create and install a customized image. I'd like to be able to set up multiple static IP addresses. For example, I'd like the first interface to have the IP ...
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1answer
701 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 ...
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1answer
871 views

Setting up Intel Giga PHY I217V on Debian 2.6.32 kernel

Trying to getting the Intel integrated network card driver (Giga PHY Intel I217V) working on Debian (kernel 2.6.32) but I'm having issues. I've downloaded the driver from the Intel website and ...
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3answers
372 views

Data transfer between Ubuntu and CentOS [duplicate]

How do I transfer data between Ubuntu and CentOS using LAN cable, in the same network? I tried installing Samba which did not go well in CentOS.
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2answers
593 views

Access remote server after running ifdown eth0

I had a problem: Could not retrieve mirrorlist http://mirrorlist.centos.org/release=6&arch=x86_64&repo=os error was 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'" Error: ...
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3answers
181 views

How do I configure my Linux computer to provide Internet to a FreeBSD computer via Ethernet port?

I have FreeBSD computer to which I want to provide with an Internet connection via the Ethernet port. I bought a single board computer (SBC Wangboard DUAL) onto which I have installed Ubuntu. I ...
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3answers
8k views

eth0: ERROR while getting interface flags: No such device [duplicate]

I set up CentOS yet. it's no network connection. eth0 is not device list. I take a message network is unreachable while ping 192.168.0.1 the screen shot of device list How can I do reachable ...
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2answers
2k views

How to check if ARP is enabled or not

I have enabled the arp support on my dell based server running linux on it. I wanted to check that if arptables are enabled or not. Could anyone tell me how do I check the same? Is it enough to run ...
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1answer
41 views

Can't find eth0 in my ifconfig output

I have a old desktop with ASUS P5KPL AM/PS board with intel core2Duo processor. I have installed kali linux on it when I run ifconfig in root shell all I can see l0which is my loopback address and ...
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1answer
34 views

Boot blocked during 1min30sec because /etc/network/interfaces

With the following config (see config file below): if only ethernet cable is connected, it 100% works: I can quickly SSH the computer via eth0's IP, if both ethernet cable and wifi dongle are ...
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1answer
15 views

Error while trying to connect 2 pcs in lan

I'm trying to connect two PCs in local network and am having difficulties: not that information you need, so I will put some, if I can put it need more: pc1: OS GNU/Linux Mageia pc2: OS GNU/Linux ...
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1answer
46 views

USB3 to Ethernet stops after sometimes

This is my first post to this website. I this that my question is related to serverfault cause it is related to ethernet communication issue. If you disagree please let me know what is the appropriate ...
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1answer
541 views

FreeBSD Ethernet NIC driver not recognized

Intel Motherboard GA-H61N-D2V $ pciconf -l -v re0@pci0:1:0:0: class=0x020000 card=0xe0001458 chip=0x816810ec rev=0x06 hdr=0x00 vendor = 'Realtek Semiconductor' device = 'Gigabit ...
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1answer
37 views

Itcpdump output - why is it showing an Ethernet status?

tcpdump -i mlan0 -n tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on mlan0, link-type EN10MB (Ethernet), capture size 262144 bytes Why is this ...
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1answer
200 views

Route a local connection via an ethernet link in QNX

I am currently facing a challenge in QNX, where I have 2 Network Interfaces - viz. one Network port from PCIe Ethernet Expansion card (wm0) and other from the normal Ethernet port (en0). I have ...
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1answer
731 views

Ho to bridge wlan0 in AP mode and eth0 so that eth0 is static and wlan0 uses DHCP?

I have a router that provides internet access. Connected to this router is a desktop PC that has working eth0 (static IP address) and wlan0. Also connected to the router is a laptop which I use to ...
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0answers
11 views

Different behaviour over WIFI and LAN-Ethernet when connecting via VPN

I have some problems getting my internet connection working over the LAN, meanwhile over the WIFI, everything seems to work nicely with my Ubuntu 14.04 LTS machine. First thing I do is connecting to ...
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0answers
33 views

Wired connection drops after a few seconds

When I connect to my wired network using netctl, the connection drops automatically after a few seconds. It happens both with DHCP and static configuration, but the wifi connection on the same network ...
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0answers
13 views

How to change network buffer of network interface to get errors?

I tried with sudo ethtool -G eth0 rx 1020, but im getting this error Cannot get device ring settings: Operation not supported. Is there any other way to change network buffer to simulate NIC card ...
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0answers
35 views

Prefer wired over wireless for local subnet using NetworkManager

My wireless network is bridged to my wired network, so both have the same subnet. How do I tell NetworkManager to give the local subnet route on the wireless interface a higher metric than the route ...
0
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1answer
66 views

Arch-Linux after system-update no internet connection but connection lan

Yesterday I updated my Arch Linux after 2 Months with sudo pacman -Syu and after the reboot I don't get any connection with the Internet neither from Browser nor with Skype, etc. When I try to ping ...
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1answer
38 views

eth0: supported ports

I am having a board with RTL8111/8168B PCI Express Gigabit Ethernet controller, which requires r8169 kernel module to work. After inserting this module, network get started by eth0. Now, due to old ...
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0answers
181 views

Realtek RTL8111 Network card not working on Ubuntu 14.04

I'm trying to install an Ethernet Card into my Ubuntu 14.04 desktop computer. Here is my lspci output (First one is my new ethernet card): 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. ...
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0answers
69 views

Ubuntu - Ethernet Card Driver Installation: asm/linkage.h file not found

I'm trying to install an Ethernet Card into my ubuntu 14.04 desktop computer. Here is my lspci output (Second one is my new ethernet card): 03:00.0 Ethernet controller: Marvell Technology Group Ltd. ...
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1answer
92 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, ...
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7 views

Which technologies can be used to build up communication between MIPS linux and Windows?

We have an embedded Linux system running on a MIPS processor board. This system is used to control and to poll some other hardware, and to consolidate all the measurement data in one place. Now, we ...
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0answers
10 views

Ethernet adapter Not recognized at all (Steam Os)

I have having an issue where my Ethernet adapter(realtek TL8118AS-CG0) in my Samsung np365ec(amd a8-4500m Quad core 4gb of RAM)is not recognized at all. The wireless card works fine but is only ...
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0answers
20 views

Is it possible to control and limit the transfer speed of a Ethernet TCP/IP via command?

I'm suffering from some "low data transfer" from a device running Embedded Linux to my computer. I'm aware that it has some hardware limitations that could be strangling the speed (e.g. 372 Mhz ...
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11 views

I wish to move SBC flash image to new board and maintain network interface indexing

I wrote a small php application on a SBC. I created a disk image from the CF card. When I write the image to a new CF and install on a new SBC the interface index numbers (I hope I am stating that ...
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1answer
73 views

Problems Setting Up DHCP Server On CentOS 6

I have been trying to set up a DHCP server on CentOS 6 running on an Intel NUC i7. I have installed dhcpd and am using the example dhcpd.conf subnet 192.168.1.0 netmask 255.255.255.0 { option ...
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27 views

in realtek 8139cp driver code, where does the start_xmit function triggers the chip?

Hope somebody could give me an explanation. I was looking at http://lxr.free-electrons.com/source/drivers/net/ethernet/realtek/8139cp.c#L731 and found in cp_start_xmit(..) function, there are all ...
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1answer
104 views

How to make virtual interface ping to a host in the network

I crated a virtual interface as indicated in this link. sudo modprobe dummy sudo ip link set name eth10 dev dummy0 sudo ifconfig eth10 up sudo ifconfig eth10 192.168.1.150 now if I want to make a ...
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0answers
31 views

wireless and wired both not working at the same time

On a Raspberry Pi, running Raspberry OS, I have bridged eth0 and wlan0 in order to share the internet connection of Ethernet using wifi. both the interfaces are configured and both are up.but after ...
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0answers
28 views

POE Connection Failure

I have 2 POE ports which are on different NICs. When I connect them together the ports' Ethernet does not come up. In other words, the associated "port status" register of those ports should turn to ...
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1answer
189 views

Debian wired connection static IP wont connect

I've installed Debian with xfce and did some configuring by installing themes, configuring xfce, installing and uninstalling software; the usual. Anyway, after a reboot I can't connect to the ...
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0answers
53 views

kernel panic - get log

My system keeps hanging every several hours. I think the problem is somehow connected with network, because plugging ethernet cable eliminates the problem (even if ethernet is used locally only). If I ...
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0answers
69 views

Ethernet only works when PC booted with cable plugged in

My Ethernet adapter is Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) and I'm using x64 Arch Linux, kernel 3.18.4. Connections are managed using ...
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1answer
584 views

NetworkManager does not detect when cable is connected or disconnected

On my Fedora 21 64bit Gnome 3.14.3 install, I have noticed that the NeworkManager always connects to the wired connection, even if the cable is not connected: However, the driver (or something) ...
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1answer
123 views

Debian server makes internet connection drop

I have setup a small home server / NAS running Debian 7. The server is connected directly to the router with a static IP set in the router's control panel. There are no port forwarding rules set for ...
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0answers
16 views

What Linux app will show me how much internet bandwidth each process is using? [duplicate]

Linuxmint 13 Cinnamon 32 bit with ver. 16 backports ethernet (eth0) + pppoe (ppp0) + FTTH (fiber optic to the home) no wifi What program(s) can I use to tell me how much up/down internet traffic ...
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0answers
92 views

Unable to connect the Ubuntu EC2 instance to VPC LAN on AWS using secondary NIC adapter?

Infrastructure setup: VPC is created with 192.168.254.0/24 netwok Private subnet within VPC (Virtual Private Cloud) is created with 192.168.254.0/25 network Public subnet within the VPC is created ...
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1answer
114 views

trouble bridging tap0 and tap1

I have a GNS3 router that is connected to tap1 in my host. On the other hand, I have an user application connected to tap0 running locally in my host. I can ping both the router and my application. ...
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0answers
113 views

connected to ethernet and wifi, “route” browser's connection to wifi only

Sometimes, in my company, I have to work with a different network (through ethernet) that has no internet. On the other hand, I do have access to out Wifi, which has internet. Since I have to spend a ...
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70 views

How can I compile and run a program designed for an older kernel version (2.6) in a newer kernel (3.16)?

I'm trying to run a driver for a network card, but it only supports kernels up to 2.6.32. I need to be able to use this piece of hardware to connect to the Internet. The device I'm using is "VIA ...