Questions tagged [network-adapter]

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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321
votes
5answers
210k views

What does the “Fi” in “Wi-Fi” mean?

I just got into a heated discussion about Wi-Fi. What does the Fi in Wi-Fi mean? I would have thought potentially "frequency interface" since all network adapters are classified as interfaces. However ...
223
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6answers
351k 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 ...
89
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4answers
198k views

What is the difference between NAT / Bridged / Host-Only networking?

VMWare: What is NAT vs. Bridged vs. Host-Only?
38
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2answers
20k 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 MAC ...
26
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8answers
76k 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 ...
23
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7answers
100k 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 ...
23
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2answers
126k 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 ...
22
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5answers
108k views

I have LOTS of TAP-Win32 Adapter OAS and TAP-Windows Adapter V9

What are these, and what are they used for; how do I get rid of this? Because I haven't got OpenVPN or any other VPN-client installed on my computer (to my knowledge). I am not sure but I thing this ...
21
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11answers
147k 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.
21
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3answers
71k views

Remove an unused/hidden network connection so that an existing name can be reused

How can I safely remove a network connection that is no longer visible in Control Panel\All Control Panel Items\Network Connections on Windows 10? I want to reuse the name of a previously existing ...
21
votes
1answer
62k views

What does `Wake on Pattern Match` option mean in network card preferences?

I know Wake-on-LAN standard, but I don't understand the use case for Wake on Pattern Match option in the network card preferences. What are the advantages of it?
20
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2answers
46k 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 ...
18
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4answers
70k views

Using two wireless NICs at the same time on Windows 10 desktop PC

I have read similar questions in the past (i.e. How do I use my dual band Wi-Fi card to connect to 5GHz and 2.4GHz simultaneously on Windows? and Connect multiple WiFi networks simultaneously), ...
18
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7answers
23k views

Issue with Wifi Adapter with Docker Windows (Native, HYPER-V)

I just received a brand new work laptop and immediately installed the native version of Docker for Windows. However I am seeing an issue that everytime the new network adapter for Docker via Hyper-V ...
17
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3answers
110k views

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?
17
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5answers
45k 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?
16
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6answers
61k 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, ...
15
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4answers
106k 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 ...
15
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4answers
52k 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 cord-&...
13
votes
3answers
122k 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 ...
12
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7answers
34k 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 the ...
11
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6answers
104k views

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 fine ...
11
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1answer
22k 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 ...
10
votes
4answers
32k views

Creating a virtual NIC that connects to the same network as physical NIC

How can I create a virtual interface, that connects to the same network as the physical interface? I tried searching around but all I found is loopback. I need the other end of the wire recognizes ...
10
votes
1answer
163k views

Optimal setting for advanced parameters for Realtek PCI-e GBE family network card

superusers. I am trying to get the best possible setting for my Realtek PCI-e GBE family controller network card so that when it will be literally minimal or zero lag when playing online game. (...
9
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2answers
4k views

Computer refuses to boot in UEFI mode - gives error about Intel Gigabit network card

I just tried to boot my machine in UEFI mode, but got this message: the system cannot find the UEFI driver for the add-on network devices [0x10D38086] I'm running Debian Linux, but I'm not sure if ...
9
votes
1answer
67k views

How to Tell If NIC supports Gigabit Ethernet

How do I know if my network card is capable of gigabit speeds under Windows 7?
9
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3answers
30k 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. ...
9
votes
2answers
29k 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 ...
9
votes
1answer
36k views

Open settings of X network adapter from CMD/BAT

How to open setting of the specific network adapter via commandline in Windows 7 Enterprise? I'm under domain user but also have access to local administator user. Under domain user I have no rights ...
8
votes
2answers
39k views

Change MAC address of Intel(R) Dual Band Wireless-AC 7260

I tried to follow the instructions here, but my card doesn't seem to have that option. Is there another way to do this?
8
votes
1answer
32k 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 ...
8
votes
7answers
8k 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 ...
7
votes
6answers
41k 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?
7
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3answers
10k 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 boot....
7
votes
3answers
101k views

My internet speed wont run at 1.0 Gbps on my Realtek PCIe Family Controller [duplicate]

I have an asus Gigabit Router and a gigabit NIC (Realtek PCIe GBE Family Controller) witch is running at 100Mbps rather than 1000Mbps (1.0 Gbps). When I use an old laptop on the same Ethernet cable(...
6
votes
5answers
19k views

Why aren’t there any USB 3.0 to Gigabit Ethernet adapters out there?

I’m looking for an adapter that will let me use a USB 3.0 port as a Gigabit Ethernet port. This is proving surprisingly hard to find! Is there some reason why this product is either unavailable or ...
6
votes
5answers
55k views

How much bandwidth does a T1 typically give?

We're about to move into a new apartment which has a T1 for $35 a month. How much bandwidth does a T1 usually supply? Right now we are with Comcast cable which theoretically gives us 14mb down / 7mb ...
6
votes
1answer
4k views

10 Gb network card connection

I have just bought the intel X540T2 shown below and when I opened my machine I am not sure if I can plug it in any of the available PCIe slots shown below? If anyone could please advise
6
votes
4answers
29k 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 ...
6
votes
1answer
30k views

Where can I find my NIC’s GUID (for use with ForceBindIP)?

I’m trying to create a context-menu item to run ForceBindIP. I saw a similar question that discusses doing this, but I don’t know how to find the GUID for my network interface. Where can I find it?
6
votes
2answers
10k 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 ...
6
votes
3answers
40k views

What is “Authentication failed” status on network adapter

I did not know that network adapter can even have status such as "Authentication failed": Do you know what is causing this and how it can be resolved? The network connection through this adapter is ...
6
votes
4answers
6k views

Windows 10 “Not connected - Connections are available” and “Limited” yellow warning but Working internet connection

After upgrading my dell xps 13 (2015 model) from win8.1 to win10 all worked fine really fast top notch combination, untill after a week it now shows a yellow triangle warning icon on to of the wifi ...
6
votes
1answer
1k 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 ...
5
votes
1answer
271 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
3answers
15k 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 IP ...
5
votes
2answers
4k 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
1answer
5k views

IP address assigned to non-existent adapter

So I automatically received the Windows 10 anniversary update this afternoon (against both my will and my explicit no-update settings) on my work computer. When I logged back in, all of my network ...
5
votes
1answer
70k views

how to remove a Proxy Virus (127.0.0.1:8080) from windows 10

it seems that my proxy is always active. If I disable manual proxy configuration it turns on again. I've tried to delete some registry keys but the same keys appear again. Here is the screenshot of ...

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