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
609 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 ...
2
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2answers
487 views

How can I install Fedora with a newer kernel?

I want to install Fedora on my computer with a netinstall, but it seems that the kernel doesn’t support my ethernet chip (Intel I218V). I tested Ubuntu 14.04 and Arch Linux and the ethernet chip ...
0
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1answer
2k 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
517 views

Hardware Timestamping using PTP

I'm new to Linux programming. I have an Intel NIC with e1000e driver. I'm working on accurate time stamping of packets being captured from a network. My question is if I want to use RT Linux how ...
1
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3answers
2k 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 ...
1
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1answer
37 views

catch kernel panic log

My Mint Cinnamon system on Lenovo g565 keeps hanging every several hours. I think the problem may be somehow connected with network and desktop environment, because either plugging ethernet cable ...
0
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1answer
1k 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
12 views

Switching from LPD to SOCKET protocol in CUPS?

I have a USB+LAN printer that was USB-connected to a Windows computer and shared via LPD. In CUPS this was configured to be a raw printer. The jobs where processed correctly. I then simply put the ...
1
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1answer
31 views

What does the “first Ethernet card” mean in the BSD world?

https://www.freebsd.org/doc/handbook/network-routing.html The designation link#1 refers to the first Ethernet card in the machine. Question: what does the "first Ethernet card" mean? How to ...
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0answers
29 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 ...
0
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0answers
55 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 ...
1
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3answers
1k views

Using multiple NICs for faster internet?

My laptop have a ethernet card and a wifi card. Ethernet line have maximum download rate at 1.5MiB/sec and wifi is over 1MiB/sec too, but it seem only have one NIC can working at a moment (if I turn ...
1
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2answers
33 views

Why do I have so many IPV6 addresses for a single ethernet card

Output of running ifconfig on my system is: eth3 Link encap:Ethernet HWaddr 44:8a:5b:93:34:25 inet addr:172.32.17.71 Bcast:172.32.17.255 Mask:255.255.255.0 inet6 addr: ...
0
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0answers
100 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) ...
2
votes
1answer
70 views

connecting linux device to a tablet via usb

I can connect my Linux device (an embedded device) to a tablet in the following way: Use a micro USB to Ethernet cable converter use a USB to Ethernet on my Linux device. connect the two device to ...
0
votes
1answer
44 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 ...
1
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2answers
81 views

How can I debug traffic on a switched network with Wireshark?

I have an IP phone on my home network that I am trying to call using SIP from outside of my home network. I have port forwarding setup, but the phone is responding with a SIP 404 message. All the ...
0
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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 ...
0
votes
1answer
30 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 ...
2
votes
1answer
95 views

empty 70-persistent-net.rules on SuSe 13.1 and ethernet device called eno1

openSuse 13.1 configured my network controller as eno1 during installation. Also eno1 device can not be configured by KDE Network Connection tool, it doesn't allow you to add a connection for this ...
0
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0answers
48 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 ...
1
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1answer
131 views

How can I create Local Loopback on Linux?

I need to create local loopback as shown herein: Performing Loopback Testing for Fast Ethernet and Gigabit Ethernet Interfaces. Excerpt Configure a Local Loopback Action To configure a local ...
1
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2answers
84 views

Determine ethernet speed in RHEL 6

How to check whether eth0 has connection speed 10Mbit, 100Mbit or 1Gbit? I tried ethtool, but it says No data available. I also tried dmesg | grep -i duplex and it's empty. [root@dioptase ~]# lspci ...
2
votes
1answer
223 views

Bonds vs. Aggregators

I'm almost to the point where I can post the solution I wound up with for my complex port bonding question. However, in reading the bonding.txt file, I see this option text: ad_select Specifies the ...
3
votes
1answer
207 views

RHEL 5 complex port bonding

The RHEL 5 documentation is good about bonding pairs of ports in various ways. The Oracle team where I work want to get more complex than that. They want an active bonded pair, with a third interface ...
1
vote
1answer
95 views

How to force FreeBSD to assign default router when acquiring IP in DHCP mode?

How to force FreeBSD to assign default router when acquiring IP in DHCP mode? My machines are FreeBSD 8.2-PRERELEASE or RELEASE The NIC (respectively em0 or re0) is set to get a dynamic IP address. ...
7
votes
5answers
23k views

CentOS 6.3 Device eth0 does not seem to be present (Minimal non-cloned setup)

I installed CentOS 6.3 on my hardrive partition (new install...minimal install). After successful installation, I see that eth0 was down looked for 70-persistent-net.rules file under /etc/udev .. ...
1
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0answers
272 views

Unable to add eth0 in Rhel 7

I am unable to find eth0 in RHEL 7 after just installation. Even I created the eth0 inside the /etc/sysconfig/network-scripts/ directory. After created eth0 inside the network-scripts, I am unable to ...
0
votes
1answer
51 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. ...
0
votes
1answer
171 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 ...
0
votes
1answer
18 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 ...
2
votes
1answer
121 views

reset Ethernet bonding without rebooting

I have the following Ethernet bonding configuration: old configuration: bond0 eth0 eth1 bond1 eth2 eth3 new configuration : bond0 eth0 eth2 bond1 eth1 eth3 I have made the ...
1
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0answers
98 views

SOCAT / MINICOM “No such device or address”

I'm no Linux guru, however I've done quite a lot of research on Socat and I simply cannot create a device that Minicom can see. In this case, port 10001 is the port that a Black Box Ethernet to ...
2
votes
1answer
81 views

Does each network packet cause an interrupt to CPU?

While I know that lot of packet processing(CRC calculations, packet segmentation handling, etc) can be offloaded to NIC, then does each packet still cause an interrupt to CPU? Is there a difference if ...
0
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0answers
34 views

How to use dhcpd on two network interfaces?

I have an embedded system that has Ethernet and wifi. I want to setit up in a way that it provides IP to both interfaces. The system uses BusyBox. and I an new in this area. can you provide a sample ...
4
votes
1answer
1k views

How can I most simply transparently bridge traffic between wlan0 and eth0?

I am looking to do this on a Raspberry Pi, but I don't mind which operating system I have to install, so the easiest most out-of-the-box solution for Pidora (Fedora 20 Remix), Raspbian (Debian) or ...
0
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0answers
87 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 ...
0
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0answers
38 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 ...
1
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0answers
132 views

Setting up a 802.11s mesh network for mobile devices to communicate with a wired server

I'm in the process of developing an android app that maintains a device's connectivity to a linux-based WiFi mesh network, and periodically sends status information (GPS, battery life, etc.) to a ...
1
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0answers
115 views

Cannot connect to the Internet using a Realtek Lan RTL8105TA card

I'm new to both Elementary OS and Linux on the whole. I have made a LiveUsb to try it out before installing it on my notebook. Everything works fine except for the internet. I don't have WiFi, but a ...
2
votes
1answer
120 views

How to do mac spoofing on Linux Mint 17?

How to do mac spoofing on Linux Mint 17? Through macchanger -a I've tried to changemy mac address but new mac id doesn't authenticates successfully. pppd gives successful authentication message only ...
5
votes
2answers
264 views

How to check programatically if the Ethernet cable is plugged in?

As you know, in Windows, when we plug in the network cable, the network symbol will change to another status. How can I know whether the cable is plugged in or not via the command prompt in Linux?
2
votes
1answer
669 views

Check for plugged in network cable on startup

I actually wanted to post the below as an answer to this question titled: ifup eth0 timeout during boot. But am not sure if this is right approach or it's a way of screwing up things badly. We can ...
3
votes
4answers
2k views

Transfer files between Windows and Linux machines?

My problem is that I need to backup the files on my Linux machine to my Windows laptop. My external hard drive died, and so backing up to an external drive is out of the question for the time being. ...
0
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0answers
67 views

Why on my Linux PPPoE connection displays sometimes authentication failure?

Here is my log: Oct 18 09:51:52 -desktop pppd[2764]: Plugin rp-pppoe.so loaded. Oct 18 09:51:52 -desktop pppd[2766]: pppd 2.4.5 started by root, uid 0 Oct 18 09:51:52 -desktop pppd[2766]: PPP session ...
0
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3answers
114 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 ...
1
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4answers
1k views

How to find IP address of device connected on the same network as PC based on MAC id

A PC and embedded Linux device is connected on the same local network.(We don't have DHCP server access, IT admin has the access). We also don't have access to debug UART on the embedded Linux board. ...
7
votes
2answers
807 views

Identical MAC address on two different VM, yet I have internet connectivity

I have set up a network as such: Set up host-only networking on VirtualBox. The first adapter is configured with NAT, the second with host-only networking HOST: Windows GUEST: CentOS VM1, CentOS VM2 ...
0
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2answers
177 views

Wifi and ethernet unstable (takes many tries to connect, disconnects)

Both my WiFi connection and my Ethernet connection have recently (I'd say about a week ago) become unstable, without any change in the configs. Now in order to connect I've to try several times and ...
2
votes
2answers
111 views

Test connectivity of a Interface

I have a raspberry Pi with three interfaces eth0 (Ethernet), wlan0 (WiFi), and wwan0 (via a GSM modem) How can I test if an Internet connection is available via a certain interface? e.g. is my ...