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.

learn more… | top users | synonyms (1)

0
votes
0answers
20 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 ...
0
votes
1answer
29 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 ...
0
votes
0answers
12 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. ...
0
votes
0answers
28 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 : ...
0
votes
1answer
21 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 ...
-1
votes
0answers
19 views

Ethernet connection for TP Link powerline adapters

Have a pair of TP Link TL-40201P adapters. Units are paired and lights illuminated. Cable connection plugged in but only my router internet connection showing on network connections. How do I go about ...
0
votes
0answers
47 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 ...
0
votes
0answers
16 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 ...
0
votes
1answer
22 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 ...
0
votes
0answers
23 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 ...
0
votes
0answers
18 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. ...
2
votes
1answer
84 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 ...
0
votes
0answers
41 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? ...
0
votes
0answers
41 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 ...
0
votes
0answers
39 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 ...
0
votes
0answers
27 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 ...
1
vote
2answers
54 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 ...
1
vote
2answers
50 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 ...
1
vote
0answers
56 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 ...
1
vote
0answers
35 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 ...
0
votes
0answers
21 views

Are these wireless NIC integrated or not?

By integrated wireless adapter, does it mean it is integrated to motherboard? By discrete wireless adapter, does it mean it is a standalone card? Are the following wireless adapters integrated or ...
0
votes
0answers
28 views

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 ...
1
vote
2answers
51 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 ...
0
votes
0answers
23 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 ...
0
votes
1answer
77 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 ...
0
votes
0answers
21 views

Archer T4U adapter cannot Enable

I cannot enable my Archer T4U USB Adapter in my control panel. It will go to enabling then say its enabled, after that I can't even use it, it just say's its disabled. However, when I go into the ...
0
votes
0answers
75 views

Can't get jumbo frames enabled with Mellanox ConnectX-3 VPI card on FreeBSD 10.1

I have a Mellanox ConnectX-3 VPI card, MCX354A-FCBT, which is configured in 40Gbps Ethernet mode on both ports. It's connected via two passive DAC QSFP cables to an IBM switch. Everything works for ...
0
votes
0answers
19 views

Hyper-V - how to make network cards appear to Guest OS' as “the same”

Few days ago I transfered physical machine to virtual, so Windows detected a bunch of new hardware. After that I installed integration services, which made it again detect some more new hardware. I ...
0
votes
0answers
31 views

How can I share the Wireless connection across my LAN, and still access LAN locations

At the moment I have the following setup (all windows 8.1, router: BiPAC 7800N): Generally, 50-60% of the time, I use the router to connect to the internet (1.5mbs), but usually when working I ...
0
votes
1answer
29 views

No networks found upon returning to original location

The oddest thing is happening with my network connection. I can work on it fine at home, and then I bring it to school and it connects automatically to that network too. But then when I get back ...
0
votes
1answer
37 views

Gigabit NIC only connecting at 100Mbps

We have a desktop PC in a field office that only connects to the network at 100Mbps even though the GB card seems to be functioning perfectly. We have plugged in other machines into the same jack and ...
0
votes
0answers
26 views

Why my HostOnly adapter stopped working on my virtualbox guest and I cannot connect to it?

Basically my setup is: Windows 7 laptop with VirtualBox with Centos6 installed. I have 2 adapters enabled on guest: 1 NAT for internet access and 1 HostOnly to connect to this machine (for e.g. scp ...
0
votes
1answer
36 views

How do I prioritize one network interface over another, in the context of 'lower level' windows functions?

Alright so I think I'm at the right SE site... We'll find out in a minute; but my apologies if I'm not. Anyway... I have a couple of network interfaces on this system ( and a couple at my place of ...
0
votes
1answer
19 views

Virtual eth-adapter in networking-configuration

I have on my Debian en eth0-interface and I need the interface to listen to other IP's. I know I can create it with the following command ifconfig eth0:1 10.10.10.20/24 With this command everything ...
0
votes
1answer
60 views

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

my laptop started acted weirdly, it's wifi only works if i connect it to my mobiles hotspot, but it doesn't connect to any other type of wifi networks, tried many different locations, many different ...
0
votes
1answer
33 views

NIC MAC address is different than it should be

I have cheap Tenda W150M router that is working as a WLAN card in Client+AP mode. The router MAC Address and WLAN BSSID are xx:xx:xx:xx:xx:68(those are listed in the router admin page). Now on my main ...
1
vote
1answer
40 views

Trouble bridging two Ethernet connections on Ubuntu Server 12.04

My Setup: Dell PowerEdge 2800, Ubuntu Server 12.04, 2 Ethernet ports Dell XPS, Windows 7 Home Edition, 1 Ethernet port Router <--- eth0 ---> PowerEdge <--- eth1 ---> XPS the objective here ...
0
votes
0answers
53 views

In Windows 7 how to select network profile for internet access?

At our office, the ADSL modem broke down, so I enabled WiFi access point on my smartphone to connect to internet that way. It works, but only if I disable the regular LAN, i.e. disable the network ...
0
votes
1answer
43 views

How to verify that all the pins on a NIC card are indeed working?

I have a laptop here that had some bent pins on its NIC, my boss straightened them out, but there's still one pin that when I look at it, appears a little flat, like it won't touch the end of the ...
0
votes
0answers
53 views

Unable to connect to internet from Centos VM

I am using VirtualBox 4.3, I have installed Centos 6.3. I have two adapters attached. 1) NAT 2) Host-Only I want to be able to setup a cluster of 3 machines which can talk to each other and also be ...
0
votes
0answers
225 views

Windows 8.1 ethernet adapter properties are not properly saving

I have a wired network adapter installed on my laptop, it is a built in card and it works with no problems. The driver is installed and is the correct driver. I go into the network adapter properties ...
0
votes
0answers
28 views

Windows force different channels for multiple wireless NIC

I have multiple wireless NICs on my Windows 7 machine and want to load balance across them. They are set up with the same metric and streams are successfully split between them. However, the link ...
0
votes
1answer
50 views

How to use wi-fi / bluetooth as adaptapter on my PC(desktop)

I know the USB Tethering mode in android (Ya, I am talking about android as OS) but don't know how to use it to create a LAN to connect with my Laptop (For gaming and file transfer porpouse) So,I ...
1
vote
0answers
41 views

Where are PC's NIC settings saved (i.e. custom MAC or power management options)?

Recently i learned how to enable and use WoL, but some details about it's underlying mechanisms are still mystery for me. In this answer on serverfault was said, that WoL is OS independent ...
0
votes
1answer
670 views

OpenVPN does not connect VIA FrootVPN

Suddenly quit working... again... OpenVPN 2.3.6 (32 bit) Latest FrootVPN config file Windows 7 64 bit Port 1194 is open for UDP AND TCP I have been told to use 32 bit OpenVPN due to bugs, and it ...
0
votes
1answer
2k views

local area connection doesn't have a valid ip configuration

I get the following error after running diagnostic tool: local area connection doesn't have a valid ip configuration then I ran ipconfig \all in cmd and got the following: Microsoft Windows [Version ...
0
votes
1answer
71 views

How can I see which wifi channel is used by my laptop with Windows 8? [duplicate]

How can I see which wifi channel is used by my laptop with Windows 8 ?
0
votes
2answers
89 views

Windows 7 routing with single NIC

I have a PC with single NIC running windows 7. This PC is a member of 180.x.x.0/24 network and is internet accessible. Now, my brother brought another PC with single NIC. I want to make it also ...
-1
votes
1answer
48 views

Server with 2 NICs

The server has a motherboard with built-in NIC that has 2 Ethernet ports. 1st labeled Management, 2nd isn't labeled anything. 2nd NIC is a PCI card plugged into the motherboard, which has 1 Ethernet ...
0
votes
1answer
22 views

Writing a script for a multi network student lab to change networks

I work in a university/college and having a problem in one of the labs. At the moment we have a few programs that pull their licences from a licence server. This licence server has no internet ...