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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4answers
23k views
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 ...
19
votes
3answers
4k views
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 ...
11
votes
3answers
4k views
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 ...
8
votes
2answers
2k views
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 ...
8
votes
2answers
9k views
What is the difference between NAT / Bridged / Host-Only networking?
VMWare: What is NAT vs. Bridged vs. Host-Only?
8
votes
1answer
11k views
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 ...
7
votes
6answers
7k views
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 ...
7
votes
4answers
3k views
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, ...
5
votes
4answers
12k views
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 ...
5
votes
6answers
16k views
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?
5
votes
1answer
188 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 ...
5
votes
2answers
1k 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
votes
5answers
10k views
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 : ...
5
votes
2answers
3k views
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.
...
5
votes
5answers
2k views
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 ...
4
votes
5answers
11k views
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 ...
4
votes
3answers
5k views
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?
4
votes
4answers
12k views
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.
4
votes
2answers
2k 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 ...
4
votes
1answer
252 views
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
votes
2answers
645 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 ...
3
votes
3answers
4k views
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 ...
3
votes
3answers
1k views
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
votes
2answers
380 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
votes
5answers
943 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 ...
3
votes
1answer
10k views
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 ...
3
votes
2answers
2k views
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 ...
3
votes
4answers
2k 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
votes
4answers
10k views
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 ...
3
votes
4answers
1k views
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 ...
3
votes
3answers
5k views
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
votes
1answer
9k views
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 ...
3
votes
3answers
800 views
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 ...
3
votes
1answer
129 views
Why my Network Connection Properties don't show UAC prompt & settings change everytime I connect?
I can't set my network connection interface properties, UAC prompt doesn't appear anymore for only this adapter interface. I disable Netbios but each time I connect it changes back to default. Earlier ...
3
votes
1answer
205 views
Using local proxy to specify used NIC on Windows 7?
I'm running Windows 7 and have 2 NIC installed, both are connected to the Internet (nic#1 LTE, nic#2 DSL). Windows 7 will only allow me to specify a binding order and a metric on which interface to ...
2
votes
3answers
4k views
Hardware recommendation for a laptop with two NIC's (network interface controllers)?
I need a laptop that has two network cards onboard. I've tried in vein searching for such a beast. Can anyone shed some light on where I can find such hardware? It should also have a parallel port.
...
2
votes
4answers
680 views
How To Add An Ethernet?
I was wondering how can I add an ethernet connection to a desktop computer that does not have any ethernet connection. I am using Windows XP Pro.
I want to add internet cable to my computer but I ...
2
votes
3answers
512 views
Is it possible to recognise hardware (router or network card) just by its MAC address?
Just wondering if that is possible. Are there any naming conventions that would allow one to deduce whether the MAC address belongs to a router (of a specific brand), or a network card, etc..
2
votes
4answers
1k views
What causes partial connectivity through wireless adapter (no internet, but can see other home network PC)?
I recently bought an Asus X401A laptop. For some reason, I cannot get internet access on the wireless connection. The wireless connection succeeds and I can see other computers on the network once ...
2
votes
2answers
359 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?
2
votes
1answer
464 views
NIC card using strange IP address
I'm using Windows Vista on a laptop, and while my wireless card works fine and takes the address the wireless router's DHCP server gives it, for some reason when I plug my (built-in) laptop NIC port ...
2
votes
1answer
5k 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 ...
2
votes
1answer
153 views
how to determine driver for motherboard ethernet adapter
I have an older machine on which the OS (w2k) got corrupted. As a result, it no longer can find the driver for its ethernet adapter. The install-new-hardware wizard just identifies the device with a ...
2
votes
4answers
242 views
Suggestions for wireless adapter
I recently purchased a desktop computer and it did not come with a wireless network card. I am currently using the Belkin Wireless G USB Adapter and it is a very sub par product.
It has very slow ...
2
votes
1answer
7k views
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 ...
2
votes
1answer
138 views
Secondary NIC: what all can I do?
I was loaned a NIC which I promptly installed in my F16 workstation just to 'play' with it (using iptables and stuff).
Other than forwarding packets from the new NIC to the old NIC using various ...
2
votes
1answer
983 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 ...
2
votes
4answers
1k views
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 ...
2
votes
2answers
21k views
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 ...
2
votes
2answers
122 views
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 ...
