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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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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890 views

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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153 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
222 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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146 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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1answer
278 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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260 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
314 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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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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1answer
866 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
99 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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523 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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85 views

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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3answers
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, ...
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284 views

PC flooding & crashing network switch only after it's shutdown

I discovered this problem because EVERY SINGLE TIME I left the house my Internet connection would go down and I would not be able to remotely access my netowrk. I installed Windows 8.1 RTM on my ...
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2answers
207 views

Game Server with onboard NIC. Do I need to upgrade?

I have a dedicated desktop machine that runs a linux game server that needs to handle at most a couple hundred users. I currently have a 50/50 Mbps fiber line for internet connection and am trying to ...
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1answer
888 views

Generic Host Process for Win32/No Internet Connection

A friend has asked me to look at his machine. It is XP SP3, with 2 NIC cards. I found that the machine had some Malware on it, which I removed with MalwareBytes. However, the machine still will not ...
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1answer
481 views

ethtool available network interface ports

# ethtool eth0 Settings for eth0: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Supports ...
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3answers
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Do I need to replace my NIC or how is there a software based solution?

My connection intermittently fails and it is not because of my home phone or a microwave oven. I have a Realtek RTL8190 802.11n Wireless LAN (Mini-)PCI NIC. My signal strength is excellent. My ...
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704 views

Ethernet card (NIC) not working properly in HP Proliant BL460c G7

If I configure my network card in linux to use DHCP then restart the networking init script, it gets stuck after showing * Running /etc/init.d/networking restart is deprecated because it may not ...
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102 views

how to route local IP to use NIC and other to use Wifi NIC

Like most, my desktop has Wifi NIC and LAN NIC but today most of the time we only use Wifi ... since most house does not have LAN in every room but I want to create a specific network that does not ...
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1answer
330 views

Kernel bypass possible with non-specialised NIC?

Is it possible to perform kernel bypass and have a NIC send data to the user space (where I will write my network stack) with no copying, without having to purchase a specialised Solarflare etc NIC?
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150 views

How do virtual servers interact with the host machine's networks?

I've had this question long ago and still I've been unable to find a correct answer to it. I know it's possible to run several virtual machines. Let's say that I'm running Windows Server 2008 R2 with ...
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1answer
1k views

How do I install the Microsoft 6to4 Adapter?

I'm unable to see the 6to4/Teredo adapter anywhere in my Windows 7 installation. In my Device Manager, the only network adapters are my wireless Realtek card, and "TAP-Win32 Adapter OAS" which is for ...
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1answer
318 views

IP checksum offload

I recently updated to Windows 8 and get alot of invalid packet transfers. It says "Ip checksum offload?" (Wireshark) and most of my packets get lost. The checksum is 0x00. I also updated my NIC ...
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289 views

Is it possible to configure a static IP alternative for all adapters using the registry?

I was reading the alternative configuration documentation, and thought I'd try to setup a fallback static IP to simplify my setup: ...
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1answer
35 views

Forwaring request from specific NIC in windows 7 client

I have a client in my network which it has 2 NIC, assume eth0 and eth1. A specific scanner with ip address of 192.168.1.1 is connected to eth0 of this client and eth1 is connected to my network. In my ...
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581 views

How to Create WiFi Hotspot with Single Adapter in Windows 7

I know how to create a hotspot when connected to a wired network, but when I am using internet from a WiFi connection, this disconnects the wireless connection the moment I activate the hotspot. In ...
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Are MAC addresses unique when coming out of the factory?

According to Wikipedia: A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment But how unique are ...
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2answers
160 views

Is there a reason why switching between Linux and windows would cause a network adapter to stop being recognized?

I am using Linux and Windows 7 on the same machine and my on-board NIC is functional under both. However, the weirdest thing happens when I browse the internet under Linux and then return to Windows; ...
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131 views

My laptop's network card is acting very strange

I have a Dell inspiron 1726 laptop. When I try to connect to the Internet via my wired network it drops packets. (I can access the Internet just fine from another computer, so the problem is with the ...
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97 views

Wifi USB Adapters stop working after a couple of months

My Belkin Dual band USB adapter just stopped working. It doesn't work no matter how much I try troubleshooting it. I get an error: USB device not recognised This is third time in last six months ...
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261 views

Why does Ubuntu 12.04 detect only one USB Ethernet adapter?

The problem is that I am connecting three client computers to another central computer through: the one normal Ethernet port connected to one client computer (eth0) two USB to Ethernet adapters ...
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124 views

Laptop takes 1-2min for network connection to start on wakeup, even when wired

The first thing I did after purchasing an HP Pavilion dv6, was replacing the HD with an SSD and installing Windows 7 Home Premium on it (I'm not sure if the issue occurred with the original drive). ...
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1answer
2k views

Two wireless NIC on RaspberryPi

I want to be able to use two wireless network adapters on my RaspberryPi running wheezy (Debian).One card is to be used to connect to the network and I want the other to run in the monitor mode. Two ...
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1answer
287 views

How to troubleshoot network problems after fresh install of Linux?

Almost every time I install Ubuntu on any laptop there are some problems with connecting to the Internet. After the last installation neither Ethernet nor Wi-Fi is working. What would be the steps to ...
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1answer
63 views

Cannot Connect to Windows Server Using a Particular IP

We have a Windows server 2008 running as web server. The Server has two IP's (A and B) added to it. We were able to use both the IP's for remote desktop connections and FTP connections. All of a ...
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1answer
93 views

Hyper-V Network Adapter

I have a setup a Hyper-V VM on my server. I have the NIC setup in Hyper-V manager. I also have the my VM settings pointing to my NIC. I can't access the Internet. Here is a picture of my Hyper-V ...
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1answer
76 views

Find processes using a network device

How do I find which processes are using a given network interface at any given moment? I am using Fedora and Ubuntu.
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1answer
161 views

Windows XP change the order of IP address in a NIC having multiple ip address

I've a NIC with two IP address. Now how can I change the order of the IP address so that I can bring any one to the top and have precedence over the other IP addresses. I know I can change that from ...
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120 views

Limited connection whenever I connect to a Wi-Fi network outside the company

Whenever I connect my work laptop to a wireless network outside of my company, the connection shows as Limited, and there is no internet access. I have tried several times by disabling/enabling the ...
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1answer
391 views

Binding a program to a specific Network Adapter

I am just using my windows7x64 desktop and I want a utility/program that allows me to chose which adapter a program uses for example, running a game through Adapter1 and Streaming videos through ...
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HP DL380 using HP NC522SFP NIC shows supported link modes: not reported

When using ethtool on this NIC, the supported link modes show "not reported". Any idea why this is the case? Settings for eth0: Supported ports: [ FIBRE ] Supported link modes: Not reported ...