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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How to make the same WiFi adapter work on two different networks with different DHCP configurations?

I have a tablet that is going to be used in two networks: One network has DHCP deactivated while the second one has it activated and uses a different range of IP adresses. The problem is that if I ...
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22 views

Bring interface down by MAC or Bus address not name

Is there a way to bring network interface down by MAC or better yet by bus address from lspci what I'm looking for is something like this: ifconfig [BUS ADDRESS from lspci] down this of course ...
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81 views

lspci show non existing bus address for nic

I'm trying to determine which PCI express slot my nic is using (I need to check correct configuration). I'm using lspci and dmidecode for this but I can't find the bus address from lspci in dmidecode ...
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41 views

Change TCP/IP settings automatically depending on connected network

I use Simple IP Config which lets you create profiles and you can manually change them when you need to. I'd like that to go one step further and automatically change the adapter's TCP/IP settings ...
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164 views

How to restart my network adapters with a .bat file?

I'm an IT student in college and I just started an internship with a local retail company. I do a bit of work on their registers and one thing that we have to do frequently is reset the network ...
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45 views

Gigabit NIC connecting with 100 Megabit

I recently upgraded my internet to a 200 Megabit connection, however, I seem to have some trouble with the NIC on my mainboard (Gigabyte Z77X-UD3H Rev 1.1). For some reason Windows detects it as a ...
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20 views

Dodgy NIC causing good NIC to ignore wake on LAN magic packet

I'm assuming this is the case, because it's the only thing that's changed. I have an older motherboard with an on-board gigabit NIC. This failed a few months ago - the hardware just didn't appear to ...
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112 views

Windows 10 creates many network adapters automatically

I have upgraded to Windows 10 last week and I installed the latest Virtual box 5.0.2, after upgrade. Now there are too many Network adapters in my Windows. I tried uninstalling them, but they ...
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1k 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?
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4answers
737 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 ...
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30 views

Setting up PFsense for test network

I want to test pfsense. I have a network with a established sonicwall router right now. I want to test pfsense within that network. The issue I have is with setup. I can't get pass the part where its ...
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38 views

NIC on PCI bus only works when attached to POE supplying network

This is a strange one.... I have a PC with both an on-board NIC and an additional NIC in a PCI slot. The NIC in the PCI slot will only create a link when attached to a network which supplies POE. ...
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92 views

Bluetooth adapter online, but not discoverable and cannot find anything in Linux

I recently purchased an Asunflower Atheros AR5B22 300M Wireless Wifi Bluetooth 4.0 PCI-E Card Desktop Adapter to add wireless and Bluetooth support for my desktop. While the WiFi functionality is fine ...
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294 views

Windows 10 Unidentified Network Issue

I am running Windows 7 on my PC but I installed Windows 10 Enterprise as a virtual machine using VMWare Player. My Network Adapter setting on VMWare are set to "NAT:Used to share the host's IIP ...
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3answers
286 views

Network not working after Windows 10 Upgrade

I recently installed Windows 10 on my Lenovo G500 laptop, but after that i found that none of the wireless network and the local area connection is working. Any suggestions where i can start ?
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412 views

Wake on Lan / WOL fails in Win10 when “Link Speed & Duplex” NIC set to anything other than “auto negotiation”, why?

I have a Win10 laptop on which I enabled WOL and it works (BIOS enabled for WOL and NIC enabled for WOL). But sometimes when I WOL start it up the NIC negotiates a low speed of 10Mbps (it's a 1Gbps ...
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143 views

Computer won't boot with Intel 10Gb NIC installed

I'm attempting to install an Intel X520-DA2 10Gb converged network adapter in my computer and the machine will not boot while the card is installed. The computer powers on, but the BIOS splash screen ...
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267 views

Wi-Fi networks not detected on Ubuntu 14.04 LTS (rtl8723be)

I have an hp pavillion 15-ab030tx and I recently dual booted windows 8.1 with Ubuntu 14.04LTS. No Wifi networks are being displayed, but if I host a hotspot from my phone it is visible and I am able ...
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56 views

Nic not showing up in device manager

I recently installed a new mother board and hard drive and have had trouble installing my wireless network card. On my old computer it worked fine but it seems it is not appearing in the device ...
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75 views

(VirtualBox) Host-Only adapter keeps disappearing

Whenever I add a Host-Only adapter in Network under preferences it disappears after pressing OK. Steps: File > Preferences > Network > Host-Only Networks > Adds New Host-Only Network vboxnet# ...
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2answers
47 views

NIC can't get IP address/connect all of a sudden

As the title implies, I'm having NIC issues. Anyways, as of last night it was working perfectly. Then this morning it was having issues, with Windows showing "No Internet Access". I rebooted the ...
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122 views

Connecting to two Networks with different DHCP servers

Ok, So at home I have two wired Networks (one with internet access and one that doesn't) I have Multiple Network adapters on my PC and I want to use one into one network and another to the other ...
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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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40 views

A Nic and a USB wireless adapter, when one is on, the other stops working

I have NIC and wireless USB adaptor. Previously, both accessed separated networks and worked together. The wired nic is connected to a piece of equipment. I have it on a submask of 255.0.0.0 with a ...
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121 views

How to set/change IP for intel(R) 82579LM gigabit adapter?

I want to set static IP to my wireless network adapter, but I get this error: [] so I want to change IP address of this adapter. I should set my wireless IP to 192.168.1.157. Also I restart my ...
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72 views

Network adapter not recognised

I've had to re-format my PC and installed Win 7 Pro. Got everything installed but Network Adapter not being recognised so I've got no internet. I don't have the motherboard driver CD so I attempted ...
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32 views

List of router to allow the editing SNR

I would like to buy a modem (or router) that allows me to edit, through telenet, the SNR values. I read on internet that I will get something plus in terms of prestations of my ADSL line. Does someone ...
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30 views

How to make VPN use only 1 of the 2 NIC?

I know it sounds a bit dump, but here is the case, I work in China a lot and we all know, China blocks gmail / facebook / twitter... etc, to access these tools along with my company network, I would ...
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60 views

Windows 7 - Blue screens, fresh install, corrupt downloads

I'll clarify the title. I had a Windows 7 Ultimate installation running just fine about 2 months ago, aside from the fact that I would get BSOD's (Blue Screen of Death) every 2 weeks or so. I wanted ...
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72 views

Unstable connection on Windows XP and Intel I350

I am working for a company developing and maintaining some QA system for industrial customers. When running, the system is receiving about 1.6 Gbps from 12 different sources using two Gigabit-NICs. ...
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154 views

Possible to share ethernet connection over wifi without hosted network support?

I have this cute Intel WiFi Link 4965AGN wireless adapter which is obviously not supported by hosted network: C:\>netsh wlan show drivers Interface name: wireless2 Driver : ...
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40 views

What kind of board does an XMC network card fit in?

I'm looking at 10GbE network cards, and most of what I find are XMC format, like the XPort3300 (just an example). I'm trying to understand how these cards fit on a board. I'm very new to low-level ...
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375 views

how does vswitch work with the physical nic in vmware?

It is known that VMs, through their vNIC connect to vSwitch which is in turn connected to the physical machine or ESXI host's network adapter (vmnic). The vmnic is then connected to an actual L2/L3 ...
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64 views

IP for virtual interface gets assigned to physical interface

I'm configuring a physical NIC and a virtual interface based on it as follows in /etc/network/interfaces: auto eth0 iface eth0 inet dhcp auto eth0:1 iface eth0:1 inet manual post-up ifconfig ...
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86 views

Ipv4 properties tab greyed out

I am facing this problem of IPv4 and IPv6 properties tabs greyed out and not able to change the settings of the same. I have tried many solutions given online such as netsh commands and antivirus and ...
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73 views

Network Adapter no longer detected after graphics card removal?

Last night, I noticed that my crossfire wasn't working properly. I did some tests and found that all my games run much faster and at lower temperatures without it. So I decided I'd give my extra card ...
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57 views

NIC shows cable plugged but no cable is connected

My computer is not connected to any Ethernet. Cable is not even plugged in. But Windows 7 show status of unidentified network. It was a problem with the driver and I booted to my Ubuntu installation. ...
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1answer
361 views

Can't added back my client for microsoft networks in Windows 10

I can't open network shared folders. Got to looking at my NIC properties, and I found that I was missing everything buy IPv4 and IPv6. So I started to try to add back to client, and protocol. I can't ...
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177 views

QEMU-KVM macvtap nic passthrough with which MAC address?

I want to give a host nic to a guest in macvtap/passthrough mode but, which MAC address I've to use for correct frames inter-transmission? The real address (of physical nic), or the virtual one? ...
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103 views

How to force only Chrome to send network traffic through selected IP interface (not system default) on Windows 7?

I have connected to multiple network interface (like LAN, WiFi, USB modem, VPN) and I want Chrome to use the DNS servers from selected network (BUT NOT SYSTEM DEFAULT means local network) and also ...
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243 views

Enabled IPv6 Nic causes network connectivity issues

I am having issues with network connectivity while PC NIC's have IPv6 enabled. My organization does not utilize IPv6. Actually, the network admins here don't have any clue how to. I have come to the ...
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42 views

Why does my network adapter not appear in WinXP Device manager?

I'm sure My IBM thinkpad has a network adapter as I used it for many years. However, the last time I used it is approximately 8 years ago. I do not know if something touched it or did something to it ...
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2answers
262 views

In Virtual Box, how do you know which NIC is which from the linux command line?

I've run into a problem a few times now where I'm installing linux in a virtual machine, and all of my interfaces look like "enp0s3" or "enp0s8" ect. In one test, I was running a VM with 4 virtual ...
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2answers
246 views

Why does a ping flood wake up a PC, while a single ping does not?

I just noticed that when you flood-ping a PC that is in sleep-mode, it will wake it up while a single ping or multple pings per 1 sec does not wake it up. Wake up on lan/wan is enabled. What is the ...
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183 views

Intel Wi-Fi Adapter Randomly Quits Working

I'm using an Acer Aspire M5-583P-6428 running Windows 8.1. For quite a while, I've been having a strange issue with my Wi-Fi adapter. Said adapter is a built-in Intel® Dual Band Wireless-N 7260. The ...
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145 views

Removed Network card from Device Manager (without Driver uninstall) now Windows wants driver Reinstal

I wonder if someone can help me. I have an (Dell) Alienware R4 ALX Desktop PC, purchased with Windows 8, but since updated to Windows 8.1. On Sunday, in effort to resolve another issue (which I ...
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How can I create an isolated network with 2nd NIC on Win 7?

Here is my situation: My test PC has an existing NIC, wired connecting to our internal network, no internet access. the ip range is 172.16. Now I need to create an isolated wifi network, also no ...
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69 views

Can not go to the router admin page through 192.168.1.1

Just install the router and can not access to router admin page when I go to cmd and type ipconfig, it show something like ipv4 1.64.23.97 child network mask 255.255.255.255 default gateway 0.0.0.0 ...
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49 views

Wireless Internet inconsistently Slow

My brother in myself are both using the D-Link DWA-171 Dual Band USB Adapter with a router. The router does in fact support dual bands as well, so sometimes depending on which is faster you will see ...
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444 views

Does Wake-on-LAN (WoL) depend on the motherboard or the network card?

This question was spurred by discovering the Acer M670G seems not have an Wake-on-LAN (WoL) settings in the BIOS and in general, wondering whether WoL is controlled by the BIOS/NIC or the OS. One of ...