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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FreeRADIUS 3.0.11 ignoring Access-Request from one NIC interface

I've installed FreeRADIUS 3.0.11 to Ubuntu Server 16.04. The Ubuntu Server runs on a ESXi virtual machine. The virtual machine has two NICs. One is for connecting to an admin network, the other one is ...
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19 views

How many MAC addresses can a single PC have?

Each NIC (wired, wireless, etc) on a computer has a different MAC address. Given that a computer can have more than one Ethernet card (or whatnot), and ignoring the fact that some devices can modify ...
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2answers
17k views

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

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 ...
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1answer
27 views

Windows Command Line - List Network Adapter Components

I'm looking for a way to, in a batch file, get a list of the components (such as NDIS drivers) in use by each network adapter on the system. Here's a screenshot of the info I want in the network ...
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4answers
32k 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 : ...
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1answer
4k views

Driver for wireless card WNC-0301 (Level One) for XP 64 bit

I looking for drivers for network wireless PCI card WNC-0301 of Level One for Windows XP 64 bit. The one I found on company's site is zipped with password. In short, do somebody know where to find ...
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36 views

Windows doesn't set interface metric properly

When I try to set an interface metric on a specific NIC , it doesn't work. When I check with netstat -rn they are completely different than ones I set. I tried enabling and disabling adapters but it ...
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1answer
154 views

WindowsCE device with single NIC - Two IP address ranges

I have a question about a windows CE device which has a single NIC (and no possibility to extend the device with a second NIC). This device is configured to use a fixed address. CE Device: IP: ...
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1answer
27 views

Ethernet throttling itself? Wireless is fine. Video of issue included

https://youtu.be/baV-P00i7CY I just got internet installed today at my new apartment. I'm connecting using my desktop. When I'm connected directly to the modem I get exactly 14.31 mbps every time. ...
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1answer
23k 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?
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3answers
40k 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 ...
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15 views

Is the USB NIC radio toggle controlled via the registry in Windows 7?

I have a Panda Wireless PAU05 802.11n USB stick. In my Windows 7 laptop, when I close the lid the laptop hibernates and when I resume the wireless radio is always reset to disabled (see image). ...
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20 views

How can I get a Mellanox ConnectX-2 to work on this ASUS desktop motherboard?

People seem to be happy with second-hand Mellanox ConnectX-2s on Linux so I grabbed a pair. Both cards result in an network interface showing up on one computer but neither show up in the other ...
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12 views

Second Ethernet card: ¿the same collision domain?

I would like your help to understand if installing a second NIC means another collision domain, or if it acts like another port in a hub (inside my PC).
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1answer
57 views

How can I find the real MAC address if it has been changed?

One of my neighbors managed to get my credentials for ISP login and used my Internet connection without permission. I talked to the ISP about the unauthorized data use and they told me the MAC address ...
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1answer
900 views

Realtek/Intel NIC transfer speed

I have just purchased a Gigabyte GA-X58A-UD7 motherboard, and it has dual Realtek RTL8111D gigabit LAN ports. I also have an Intel PRO/1000 MT PCI gigabit network card lying around from an old ...
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3answers
4k views

Wake On LAN using Magic packets is not working in Windows 10

Even after configuring all the settings like Network Adapter Settings BIOS setting Disabled Fast Startup Telnet and Port Settings I can't able to wake up the machine with Windows 10 OS. Is ...
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2answers
37 views

Can I convert RJ11 to RJ45 without modem to use Ethernet?

I have a Tenda 300Mbps N301 wireless router that connects to the ISP with its WAN through a cable that has an RJ45(Ethernet) plug. I would like to use my this router on its WAN, with RJ11(Telephone ...
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2answers
717 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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1answer
24 views

Forcing two instances of a Java Application to use different network interfaces on Windows 10?

As the title says I am looking for some method of having two instances of the same Java application (that lack this type of setting) to access the internet using different adapters. I found a couple ...
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0answers
20 views

Use Wii U as a network bridge?

I've recently moved my entertainment system far away from where my modem/router and wired Ethernet. The only device I have in the system with a wifi antenna is my Wii U. I also have a USB-to-Ethernet ...
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1answer
21 views

Networkcard errors after upgrade from squeeze to jessie

We upgraded one of our central routers, which was horribly outdated, via apt-get dist-upgrade from Debian Squeeze over Wheezy to Jessie. But now we see the following errors in dmesg: [Tue Apr 12 ...
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22 views

Dell latitudeE5450 wifi issue

I am facing serious issues related to wifi in my laptop. During working the connection to a network stays but suddenly internet accessibility gets lost. When I try to switch to a different network, ...
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0answers
21 views

Access to Private IP Addresses without exposing them on a network

I have 4 ethernet devices contained in one system. There are several systems connected on the ethernet network; I would like to use the exact same ip addresses internally with in each system. . I can ...
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How to make Android-x86 guest in VirtualBox use internet through its host (windows 10)?

I use FreeGate to open blocked websites or apps in host Windows. I have installed Android-x86 on VirtualBox and It works great. How to make Android-x86 (v4.4) guest to use uncensored internet from the ...
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29 views

How to connect to a wireless Display adapter automatically through scripts or Task Scheduler?

I am trying to project files to a Samsung TV which has a windows display adapter. I want to automate the entire process. So when the TV is switched on, I want the computer to continuously check for ...
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1answer
34 views

Is it safe to upgrade a 802.11b/g/n adapter to a 802.11ac?

I'm thinking of replacing the old wireless network adapter on my laptop. However, I'm not sure if it's safe to do that because the antennas cannot be replaced. What if the new adapter is not ...
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23 views

qemu: emulated nic is too fast

On archlinux, I started a VM with qemu emulating a rtl8139 network card by giving it the following parameters: -device rtl8139,id=nic0,netdev=tap0 -netdev tap,id=tap0,ifname=tap0 After booting the ...
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0answers
18 views

Why might write speed on NIC be fraction of read speed?

I have 2 servers (Windows 2008 R2) each with an x710-DA2 NIC, cross-connected by a 10Gbps wire. I can read a hard dive of one machine, from the other, at 250 MegaBytes/Sec, but the write speed is ...
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3answers
1k views

Windows 7 - Modify “advanced settings” tab of Device Manager from command line

I'm in a position where I need to enable Wake on LAN for roughly 50 machines. I don't want to have to go round every one and adjust the settings for it, but it's looking increasingly like I'll have ...
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3answers
43k views

OpenVPN, install a TAP adapter

When I try to connect to my work VPN using OpenVPN, the connection fails with the message: All TAP-Win32 adapters on this system are currently in use. Many sources suggest to look in Control ...
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18 views

How to disable TCP Checksum for wireless device in Windows 10?

I want to disable TCP Checksums on my wireless adapter. For ethernet device, I can turn on/off TCP checksum as it can be seen down below; However, for wireless adapter, there is no such an option ...
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2answers
725 views

Blank network connection properties

My laptop can't connect to internet. My 2 network interfaces (Ethernet and WiFi) seem to be problem. If you can see in the screenshoot, it shows blank properties if I click Details button. And ...
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56 views

How to use Dlink 550t PCI network card in windows 10 x64

I have a PCI express network card, pretty old but works 10/100/1000 I need to use it in a computer running windows 10 x64. I already try with the original drivers (i got the installation cd), with ...
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1answer
40 views

NIC does not like network cable

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 every single nforce NIC not work with that cable? I ...
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1answer
1k views

Laptop's WiFi only works if it's connected to mobile hotspot

My laptop started acted weirdly. Its WiFi only works if I connect it to my mobile's hotspot, it doesn't connect to any other type of WiFi networks. When I turn my laptop on, it shows the networks ...
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2answers
71k 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 ...
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36 views

Netflix, Amazon Video and youtube intermittent streaming errors

my PC has issues streaming from Netflix, Amazon and Youtube (my laptop and FireStick work fine). When streaming the video will play fine (buffers fine etc.) but then will randomly cut out, maybe as ...
134
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5answers
165k 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 ...
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1answer
256 views

Using iw to decrease the txpower of a wireless nic

Any search on the internet reveals only how to increase your tx power, and only by changing your region. What I want to do is programmatically decrease (and increase) the tx power of my card but using ...
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0answers
234 views

How to install Microsoft Virtual WiFi Miniport Adapter in Windows 7?

Microsoft Virtual WiFi Miniport adapter is missing on my desktop. At Device Manager >> Network Adapters, even when 'Show hidden devices' in checked from 'View' dropdown menu the adapter is missing. ...
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1answer
16 views

Bridged NIC Connection Issue

I have a Windows 10 Pro desktop with two NICs which are bridged. This configuration has been working fine until today. The yellow warning triangle appeared in the system tray next to the netwok icon ...
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0answers
21 views

TP-Link TG-3468 on IBM x3650 M2?

I got a networks card from TP-Link. It is the TG-3468. I want to place it into my IBM server x3850 M2. It has PCIe x8 slots. The slot is a little bit longer than the length of the card, but it fits. ...
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1answer
71 views

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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0answers
28 views

Windows Dual NIC multicast routing

My office has a bunch of PC's in our software development lab, and we are trying to move from unicast (UDP) to multicast. It works fine with unicast, but for a few different reasons, we are making the ...
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1answer
1k views

Where can I find network adapter drivers (W7x64) for my Asrock P67 Extreme4 MB?

Couldn't find any of them after scouring the web. I'm just assuming the network adapter is built in, so that might be where I'm wrong.
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2answers
3k views

Troubleshoot broken network adapter on laptop

I own a new HP Compaq 615 laptop which has a network adapter (RJ-45 standard connector) built-in. Today it is not recognizing the network cable at all. Tried the cable in the desktop PC and it works ...
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1answer
689 views

Wireless not detecting signals after hibernation, reboot doesn't fix it

The wireless adapter (Broadcom 802.11n Network Adapter) of my Lenovo S10-3 is being detected correctly in the device manager in Windows, but I am unable to detect any wireless signals. This happened ...
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2answers
655 views

dell latitude e6540 e port plus ii network adapter not working

I own a Dell latitude e6540 and a E-port plus IIdell latitude e6540 e port plus ii network adapter does not work. What is happening is that, the network adapter for the port replicator is not working. ...
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1answer
27 views

potential Wireless Adapter issue with wifi

So I have a computer which is connecting to my router using a wireless USB adapter. I also have a mobile device which i am testing with. I noticed extreme Wifi issues in which i would lag extremely ...