A network interface controller (also known as a network interface card, network adapter, LAN adapter and by similar terms) is a computer hardware component that connects a computer to a computer network.

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HP J8156A Vernier network adapter

I've got a network card, that may or may not be working that I am trying to use in my home server. Got it from ebay as "used".The card does not let the computer boot, the computer turns on, but ...
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Ubuntu 10.04 No internet

I have Ubuntu 10.04 dual booted with Windows Vista on a work Lenovo R61 laptop. The home and work wireless connection were working fine. I lost all internet connection at work. The IT guy clearly knew ...
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IPConfig lists very strange tunnel adapter

I was trying to troubleshoot a different computer on my network, and ran ipconfig on MY computer for reference. One of the adapters listed is - Tunnel adapter satapi.GHGKZ.com: Google has ...
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A quest for internet access ( Unidentified network and Error 651 )

I'm stuck with one of the most harsh problems i had to deal with, regarding fixing my computer.Im trying to solve it for days ( have searched a lot on the web ) and no results so far. The problem is ...
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62 views

Connected with limited access (drivers?)

My PC with Windows Vista had some wireless problems 3 years ago, so I bought a wireless adapter, which worked fine. But a few days ago, it suddenly didn't connect anymore; the network manager says it ...
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34 views

Network connection disappears when I open WOW

I changed my motherboard several days ago. (ASUS G41) Now I am running on Windows 7 Ultimate 32 bit. Everything is OK, but when I open WOW (World of Warcraft) the network connection disappears and ...
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69 views

Reset network byte counters shown at status dialog?

Problem is that I can't read RX byte counter value as it will not fit inside window anymore. How can I reset counters shown below without disabling network adapter:
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30 views

NIC does not like network cable

Alright Gang, I have a good problem for you guys. I have a test station with a network cable that works flawlessly on every single NIC it connects to EXCEPT nforce ones. Why in the world, would ...
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451 views

Traffic Route mismatch with two NIC Windows Server 2008

I have small issue on my network I have two NIC, NIC 1 Connected to the internet and local network, NIC 2 Connected to Sip Trunk Circuit (No Internet) Each one of them has different Gateway. My ...
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117 views

Convert or add a localy installed linux distro to PXE-boot server

I have a Linux distro installed (debian) and configured in a VM. I'm looking for a way to add it to my PXE-server so that clients can boot to it (live session) Very confused at the moment, should i ...
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323 views

Ethernet to USB adapter vs USB Ethernet card?

I would like to connect two computers so that one is connected on physicall via the "standard ethernet jack" (got lost in the naming, i believe it's 8P8C) and the other will be connected to a USB ...
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6answers
571 views

On a switched network, why do unicast packets not addressed to me reach my NIC when I'm in promiscuous mode?

When I'm connected to a switch, the switch knows which MAC address belongs to which port. So even when I'm in promiscuous mode, why do I receive unicast packets that are addressed to other MAC ...
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212 views

need help to install Intel Gigabit LAN driver

I am installing openMediaVault on my new build. the montherboard is Asrock B85M Pro4, and it has a onboard lan (Intel® Gigabit LAN) OMV 0.5.0.24 cannot detect this onboard lan, where can I find hte ...
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Atheros AR9485WB-EG wireless adapter on Linux Mint

I have a new ASUS X552C laptop. It is working like a charm, but I ran into a problem when I decided to install Linux Mint. It seems like my Atheros AR9485WB-EG wireless card is not recognized by the ...
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4answers
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No Wi-Fi after installing Ubuntu 10.04

I have an HP Pavilion dv6500 with a Broadcom 802.11g Network Adapter. I installed Ubuntu 10.04 and the Wi-Fi doesn't work. I am new to Linux. How do I go about troubleshooting/fixing this? Is there a ...
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1k views

2Wire USB Network Adapter Not Working With Windows 7

I installed Windows 7 on a separate drive, and everything works fine, but I can't get the above network adapter to work properly. It's displayed in Device Manager as a USB device, and I have the ...
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42 views

Windows 8 machine with 3 NIC functioning as a switch

I have a workstation with two machines and one LAN port. a mac mini a windows tower with Win8 and 3 NICs How can I set up the windows machine to also function as a switch so that I can run a cable ...
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Wireless connection behaves strangely after windows 7 fresh installation

Since I installed a fresh installation of Windows 7 Home Premium, my Internet connection behaves very strange when on wireless. It disconnects and reconnect by it self without any notice. It slows ...
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2answers
653 views

Is it possible to wake up an ACPI S3 suspended Linux System with an SMB packet?

I want to put my Debian NAS system in supend to RAM mode (ACPI S3) after a decent period of time idling in order to save some power. I thought about putting the NIC in a mode, where it waits for ...
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137 views

Wake on LAN through PHY and unicast only works in the first ~30 seconds after pm-suspend

I'm having some trouble with Wake on LAN through PHY and unicast. I'm able to wake the system by pinging or sshing the shut down machine, but only within the first ~30 seconds. Why's that, what could ...
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1answer
194 views

Use a separate NIC for ssh

I have two NICs. I want to use one (eth0) for connecting to Host_A using SSH and the other (eth1) for everything else. I also run a Socks proxy through that SSH connection to Host_A. All traffic ...
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500 Mbit/s powerline network, only 3.5 Mbyte/s transfer speed?

I have a TP-Link 500 Mbit/s Gigabit Powerline Adapter linking two computers (one Windows Vista and one Windows 7) in different rooms in the house. As in: Computer <-Ethernet ...
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2answers
2k views

Is there a way on Windows 7 to control which NIC a particular application binds to when 2 different NICs are in use?

So here's the setup. At my company we use a large VPN with several different subnets, and apparently the wireless routers have access to some of the hosts on the VPN but not all, while the ethernet ...
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2answers
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Increasing link speed on OpenVPN (bandwidth)

I have bought a tunnel service by using OpenVPN. For a year I've had 10 Mbps max upload/download speed but now I've bought an additional 20 Mbps making the available total bandwidth 30 Mbps for me. ...
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374 views

virtual ip address-how it works and uses of it

My questions are: How having an ip address for an application is useful? Does packets coming to application have virtual ip address as destination ip address or physical ip address? Thanks in ...
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635 views

Start script on network connect

I am trying to get a GNU/Linux Bash script to run as soon as a network connection is established on my Raspberry Pi. I tried following the instructions on several pages: I have tried adding my script ...
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486 views

Asus P8P67 Deluxe mobo: Network adapter off when PC is off; can't wake on LAN

My Asus P8P67 Deluxe (rev 3) motherboard includes an Intel 82579 LAN controller. I have enabled wake-on-LAN with these instructions and it works from sleep, but it does not work when the PC is powered ...
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93 views

Failover NIC with Windows 7 running Apache Server

I have a Apache Server running on a Windows 7 Desktop for a internal website (Intranet). I am trying to figure out how I can make this system as failover safe as possible. One thing I want to do is ...
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1k views

What does ipconfig return in Windows command line?

When I run command "ipconfig" in Windows command line, I am expecting to see my IP address that I have in the LAN I am connected to. But besides that I see many, many entries. Can someone explain ...
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1k views

Problems when trying to connect to a router wirelessly

The situation - At my girlfriend's parents' place there are six Windows 7 devices that are wired or wireless connected to a router: 3 dekstops and 3 laptops. There are also several smartphones using ...
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Why is my laptop favoring the wireless connection over my LAN connection?

When my laptop comes out of sleep, I have to typically wait about 90-120 seconds before my network (wireless or NIC card) 'wakes up'. During that time, I see my wireless connection with 'limited ...
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how to remove obsolete device and network entries? Device manager “uninstall” option has no effect

I am trying to remove a few "obsolete" things which annoy me (because I like to have everything cleen, working and not interferring with each other, fresh, etc..). I tried looking for solutions ...
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What are the differences between wireless gaming adapters and straight wireless adapters?

Devices like the Xbox - with only an ethernet port and no built-in wireless - can be connected to wireless networks using a gaming adapter. How does a gaming adapter differ from a regular wireless ...
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199 views

Cable unplugged after NeoRouter connection disabled once

Network adapters can be disabled and then enabled again in Windows. This doesn't work for the NeoRouter network adapter, which is a VPN shell. What happens is that once disabled, this adapter can't ...
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How do I set up the network drivers for Windows 7 on my iMac?

I installed Windows 7 32 bit on my 27" iMac OS X 10.6.6. When Windows loaded, I couldn't connect to the internet via wireless or ethernet. It appears the drivers are not correct? I did the same ...
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Load-balance with LAN and Wi-Fi

I have a Mac, which runs Mac OS X 10.6 or Ubuntu 9.10 or Windows XP (Multiboot). Solution can be for any of the systems, whatever works better. I have two ISPs, one can be accessed via Wi-Fi, one ...
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4answers
380 views

Will a bad network card affect a USB network adaptor?

If my network card that is integrated into the motherboard stops working, will this have an effect on a USB wireless network adaptor I plug in? If so, will inserting a new network card fix this? ...
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194 views

NIC still active after shutdown and removal of power supply

The NIC on the motherboard of one of my computers continues to communicate over the wire even after shut down and the removal of the computer's power source! Apparent communication continues after ...
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282 views

System With Two Network Adapters

My system has a NIC (Marvell Yukon) built-into the motherboard, but I also have a D-Link (RealTek) card. I figure that using the D-Link and disabling the Marvell makes the most sense, though I'm ...
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280 views

Alias network adapter in Windows XP

I use a VPN channel for an online banking client. This channel is implemented as an NDIS filter installed on the outbound network interface which gets activated when you insert the smart card. When ...
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1answer
388 views

the led of wireless card is always flashing

I just installed archlinux and awesome on my laptop. But I find that the led of wireless card is always flashing in connect status. Is there any way to disable it? NIC: 07:00.0 Network controller: ...
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5k views

Does Windows 7 support 802.3ad (link aggregation) natively?

I'm trying to understand what's needed to make Windows 7 combine two Ethernet ports into one virtual 2 gigabit port. I know I need 802.3ad compatible switch, my NAS also supports 802.3ad, but it's not ...
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1k views

Unable to capture wifi traffic with wireshark

Even a few days ago everything was fine, but now simply I can't capture and see tcp, http, etc. wifi traffic but only the traffic for the protocols 802.11 and LLC. I used different wifi spots ...
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3answers
128 views

Is there a way to permanently change the associations of NIC cards on a supermicro server?

There are 4 ports, eth0...eth3, and I want to reassign them so that eth0 is associated with the NIC currently listed as eth2, and eth1 to eth3. Basically swap them. It needs to be permanent and ...
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638 views

Connecting to Bluetooth Personal Area Network Fails

I'm trying to connect to my phone's Bluetooth PAN but nothing happens when I do. I click the button that says "Connect Using" which gives me two options: [Option 1] "Direct Connection" ...
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role of virtual network adapter

Please correct me if I am wrong in saying that network adapters(not considering virtual network adapters) represent a particular interface of a machine having a unique MAC address which can establish ...
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2k views

How can I tell which of multiple network cards is in use?

Suppose I have multiple network cards connected to my PC, how can I know which card is used for communication. For example, if I use ping 192.168.x.xxx I would like to know which card (and which ...
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2 gateways 1 nic Ubuntu

Please note that this is ONE NIC and TWO Gateways Now this solution is super easy in Windows: * Connection Properties -> TCP/IP Properties -> Default Gateways -> Add (separated by metrics) I notice ...
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Help with Linksys WUSB54AG adapter 64-bit drivers

So it seems that Linksys doesn't provide 64-bit drivers for their adapters. Is there anyway to get it working without having to install a 32 bit OS?
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Network card (link-status LED) still active after shutdown from Windows 7 (but not from XP)

When I shut down Windows 7, my NIC remains active and the link status LED on the router remains lit. When I shut down Windows XP, it does not. Further, rebooting XP causes the NIC to shutdown as well, ...