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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Windows 8 Hyper-V - how to give VM internet access?

I've got Windows 8 Pro on my home machine. I want to have a Windows 7 Professional VM running under Hyper-V, and I want the VM to have full internet access. My physical machine has a wireless network ...
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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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What is the difference between NAT / Bridged / Host-Only networking?

VMWare: What is NAT vs. Bridged vs. Host-Only?
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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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3answers
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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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6answers
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What angle is optimal for the antennas on my wireless network card?

I'm sharing a house with some friends and I'm in the bedroom right up in the attic. The router is right down on the ground floor and I get connectivity issues. I've found that if I adjust the two ...
12
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1answer
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Tunnel adapters on ipconfig?

Hello I recently noticed unusual information in my IPCONFIG. Usually I only see Ethernet adapter Local Area Connection, but now I see Tunnel adapter isatap... and Tunnel adapter Teredo... I was ...
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1answer
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How to Load Balance 2 Internet Connections on a Windows 7 machine?

It's sort of related to this particular question, but that one is on Mac. I am looking for similar solution on Windows 7. I have 2 network connections: (Connection A) Wireless terminal connecting ...
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2answers
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Does 1 Gbit/s port in full-duplex mean 1 Gbit/s send and 1 Gbit/s receive?

I'm figuring out the best router for me based on their performance. When you have a 1 Gbit/s port in full-duplex, does that mean you can send 1 Gbit/s and receive 1 Gbit/s at the same ...
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4answers
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How to get rid of auto-generated sequence number in network's device name in Windows?

Every time one plugs in the same usb wireless adapter in a new usb port, Windows creates new network device with auto-generated sequence number which looks like this Wireless-N USB Network Adapter #2, ...
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6answers
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How do you check the current duplex value of a network card set to Auto negotiate in Windows?

I would like to know what duplex (half or full) my network card has negotiated with a switch when they are both set to auto configuration in Windows.
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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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Set up two (2) IP addresses on the same network card?

I think it is possible to set up 2 IP addresses and subnet masks on one NIC in Windows XP. How can this be done?
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4answers
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Get active network interface on Windows

I'm developing an application that provides a UI to windump, the packet sniffer. Windump has a "-D" parameter that lists all network interfaces it can find, and then you can specify which interface to ...
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6answers
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How to fix network connection dead on startup, but okay after disable/enable?

on Startup When my system starts up, the internet connection is dead. This causes various problems with startup items such as updates and auto-start programs failing. However, the connection is ...
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5answers
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How can I determine which network adapter my browser is using? How can I change it?

I have multiple network adapters on my Windows XP system. Is there a way I can establish which adapter Firefox and Internet Explorer are using? Can I force them to use a specific adapter?
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6answers
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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
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USB 3 to Gigabit Ethernet adapters: where are they?

I'm looking for an adapter that will let me use a USB 3 port as a Gigabit Ethernet port. This is proving surprisingly hard to find! Is there some reason why this product is either unavailable or very ...
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3answers
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Can Somebody Explain About Wi-Fi Device Manager Settings And Power Settings In Windows 7?

Sometimes I have low Wi-Fi signal and I am curious about the Wi-Fi settings in Device Manager and Power Settings. I would like to get an exhaustive explanation about each, so let's start with Wi-Fi ...
5
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1answer
235 views

Why do network cards without all of the wires work?

I recently acquired an older model of PC, and the network card in it did not work. A friend of mine had a spare laying around for me to use as a replacement, but I noticed that it only had 4 of the 8 ...
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2answers
2k views

difference between access point and bridge?

What is the difference between a wireless access point and a bridge? I have a wireless router downstairs and a wireless router/access point upstairs in my office. I want to connect the desktop in my ...
5
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1answer
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What is wake on pattern match in network card preferences?

I know the Wake on LAN standard, but I don't understand what the wake on pattern match option means. What does this option mean?
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4answers
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Wifi Adapter not working in windows 8

I have Dell Inspiron 15R N5010 with the Network Adaptor card as Broadcom 802.11n Network Adapter Provider : Broadcom File version : 5.100.245.20 Driver Provider : Microsoft Digital Signer : ...
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2answers
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Check Box -> Show icon in taskbar notification area when connected is missing in windows 7

Please see the picture below , this is on my network adapters properties : where is the General Tab In this Network adapter ? Also, I couldn't find that check box for Display Network Icon on ...
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1answer
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Capturing wireless traffic (using Wireshark)

When I run wireshark on a wired network it works fine and reports all of the packets. When I run it on a wireless network though I only see my own traffic. The wireless card I have is supposed to ...
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3answers
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Mac: number of bytes transmitted over interface

On linux, I'm used to typing ifconfig and looking for the line with "RX bytes" and "TX bytes" in it to find out how many bytes have been received and transmitted over a particular interface since ...
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2answers
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How do you create a new network eth?

I have a machine that has eth0 and eth1, and now I want to create an eth2 and assign it some IP address. What's the command for doing this?
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How do I properly support two network cards in one Windows 7 PC?

I've upgraded from Vista to Windows 7. On Vista I used to run one network card (Intel 82566DC -2 Gigabit) for my internet which was connected to a Dovado USB mobile broadband router connected to a 3G ...
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3answers
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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1answer
5k views

Setting a Preferred Network Adapter for browsing

My PC at work is connected to 2 networks; LAN: local corporate network for remote desktop access and very slow internet connection WAN: wireless faster internet browsing I need to be connected ...
4
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2answers
661 views

How is ARP about two VMs running on VMWare?

I know that systems in network connect together with IP and Mac address ,But insofar as i now all of OSs running on virtual machine use a common network card.I want to know how another systems connect ...
4
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2answers
3k views

How does VirtualBox's new Network Adapter drivers affect the computer?

I am using a PC, and just trying the latest VirtualBox and Ubuntu 2011.10, and while installing VirtualBox, it actually installed Network Adapter drivers 3 times, and warned "during installation your ...
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2answers
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Can't get IP on Windows 7 after extensive troubleshooting

My Windows 7 system is not able to pull an IP from my router's DHCP. This just started a few days ago, and I've done quite a bit of troubleshooting. Here's what I've tried in roughly chronological ...
4
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1answer
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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 ...
4
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1answer
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VirtualBox reinstalling & updating has left me with Too Many Network Adapters. How Do i remove them?

I have too many network adapters. I have had to reinstall, repair VirtualBox a few times, and I have three NICs in my laptop. I definitely don't need to have 14 bridged networking drivers though, and ...
4
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0answers
401 views

Multiple MAC addresses on a single network interface

Since the other question about this (Multiple network interfaces on a single NIC in Windows) only asks about different routing, I'm going to ask this again: Is there any way to create multiple ...
4
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2answers
1k views

Check Bandwidth utilization of specific application or process in windows 7

I want to know is there any command-line tool (windows built-in or 3rd party), that can be used to check bandwidth utilization of a particular process or executable? For example, i want to check ...
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2answers
630 views

Is there any program that will allow me to switch DNS providers?

Is there any program that will allow me to switch my DNS providers with out having to go through the network adapter settings in Windows 7?
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4answers
1k views

Can I kill my network adapter by any software action?

Hey guys, put your newbie-tolerance helmets on: After installing Ubuntu 11.04 Natty on my lenovo s12, my broadcom bcm4312 wireless adapter doesn't work anymore, even when I load from windows 7! How ...
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3answers
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Ethernet Port Troubles

A copy of an email I sent to company I bought my PC from last December. Does anyone else have any further suggestions? Basically yesterday my Internet connection went down, and my diagnosis ...
3
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2answers
672 views

Desktop NIC can't connect to switch

My desktop's NIC doesn't want to connect to my switch, even though the laptop will do so (using the same jack and ethernet cable.) Set-Up: I'm in the process of running CAT6a cable to all the major ...
3
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1answer
9k views

Why won't WIndows XP recognize my network adapter?

I have used Everest to determine that my network adapter is a RealTek RTL8139/810x Fast Ethernet Adapter and installed the appropriate driver. But I can't see any Local Area Connection in my Network ...
3
votes
1answer
22k views

How can I determine the MAC address for a NIC in CentOS without using ifconfig?

CentOS 5.5 One of my CenTOS systems recently booted with the following error: "Bringing up interface eth0: Device eth0 has difference MAC address than expected. ignoring." When I run ifconfig -a ...
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4answers
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Can a desktop (windows 7) Wifi adapter serve as a Wifi Access Point (not ad-hoc nor bridge)?

I was reading the many differences between Access Point, Bridge, Ad-hoc or hot spot networks, and as you may tell from the title I'm a bit confused. From my understanding based on the their difference ...
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4answers
3k views

Ubuntu 10.10 network card detection problem

Most of the time my network cable is not detected in Ubuntu. my system config mercury motherboard via inbuilt ethernetcard ifconfig result lo Link encap:Local Loopback inet ...
3
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1answer
3k views

Adding a second network card (dedicated connection to a network music streaming device) to a PC already on a home wireless network

I have a pretty normal home wireless network with a combined adsl modem/router which all my (Windows XP/Vista) computers use DHCP to connect wirelessly to and share resources among each other in a ...
3
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5answers
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How to reinstall the host-only network adapter in VMware 7

I've this problem when I want to use "Host only" network adapter in VM-Ware 7.0 this is the error message: The host-only adapter driver does not seem to be running. If you have not rebooted ...
3
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1answer
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Multiple interfaces to one IP address?

At present, I have: a Netgear router with DHCP off at 192.168.0.1 my computer eth0 at 192.168.0.2 wlan0 at 192.168.0.2 The wlan0 interface always connects to the router, while the eth0 interface ...
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2answers
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Merge two 1GBps NIC's on a single PC

Is it possible to merge two 1GBps NIC's on a single PC thereby doubling the available LAN bandwidth? Two other PC's would then be able to request data at 1GBps each instead of splitting the 1GBps NIC ...
3
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2answers
3k views

Browsing website hosted in the virtual machine from host machine's browser

I have installed Oracle VM Box and created a Virtual machine. Now I have hosted(in IIS) a website in the virtual machine. I want this website to be browsed in the host machine's browser. Can anybody ...