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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Dummy interface in an LXC guest
I am trying to create a split-horizon PPTP setup as described on my website within an LXC container. However, I need a dummy interface within the container to put the DHCP server on.
Here comes the ...
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2answers
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If there are 2 NICs on the same machine, can a TCP client on one NIC connect to a TCP server on the other NIC?
I use TUN/TAP to create a tun NIC tun0 with IP 10.10.10.2, and I have a real NIC eth0 with IP 202.112.34.49
Then I run a TCP client which binds its socket to 202.112.34.49 and a TCP server binding ...
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Several hardware components either work or not after booting
I have a desktop computer which I put together myself and in the last weeks I discovered a strange behavior.
The same issue refers to three components independently. The onboard network controller, ...
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2answers
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“This device cannot start” error - Intel motherboard, 3-COM NIC
I have an old(ish) computer with an Intel D850EMV2 board. I've installed a 3COM 3C-905C-TX NIC on it. Windows boots fine, but the NIC exhibits a
This device cannot start (Code 10)
error. My BIOS ...
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1answer
46 views
Linux Mint chooses random MAC address on bootup
Every time I start a machine with Linux Mint 14 installed, the Ethernet NIC chooses a random MAC address to use. Is there a way to disable that behavior?
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Windows 7x64 ENT - Network card fails after Windows Update
I am building a new desktop from scratch.
I installed win7x64 ent and everything worked fine. I then let the system perform the initial update to windows. There were 152 updates totaling over ...
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1answer
36 views
My network adapters can't detect 802.11a radio wifi
I have two adapters, one has the Atheros AR9002WB-1NG and the other is a LAN USB Adapter #4. For some reason or the other they both can't detect 802.11a connections. Can someone explain this to me?
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How to set NIC in promiscuous mode on mac book air?
I am trying to run my nic on MacOSx at promiscuous mode and then use tshark / tcpdump
Option1:
ifconfig en0 promisc
but I get this message:
ifconfig: promisc: bad value
Option 2:
I tried sudo ...
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48 views
Asus A43S's network adapter
I got a problem with my laptop's network adapter.When I turn on my wireless network adapter or connect my broadband via usb and connect to the internet,My laptop totally crashed and stop working.I did ...
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25 views
How to identify which network interface is my application using [duplicate]
I hoped to capture network traffic -using Wireshark- via a port on which my application is running. However when I fired up Wireshark, it listed 4 network interfaces not just 1 as I expected.
So I ...
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38 views
Windows Network Bridge Connections Greyed Out
I can bridge the connection under administrator account. I have disabled the prohibit installation and configuration of Network Bridge on your DNS domain network Group Policy setting. The option to ...
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69 views
Extract ip address from specific NIC in win7 batch file
I am building a batch to automatically switch a proxy config and the related ip settings bui i am having trouble extracting the ip address of the network adapter i need. I have one "real" nic, and two ...
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my Hyper-v win 8 pro machine does not have network card / connection
I have defined my WinXP VM machine on hyper-v Win 8 pro defining network switch like following: External with one of my network card on host including check about using in. When I start VM - there is ...
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24 views
How to implement LAN traffic management on a computer when there are more than one NIC installed?
I have a motherboard with six NIC and the Windows Home Server installed. Right now I have it linked on only one LAN port to a switch with 3 other computers. Is it okay to connect those unconnected ...
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46 views
ping using mac addresses or link local ipv6 addresses
I have 4 Virtual Machines (Ubuntu 12.04) running on a host that is also running Ubuntu 12.04.
The Virtual Machines are named:
switch-vm
vm-1
vm-2
vm-3
Below are the network settings on switch-vm:
...
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No network after Windows crash
Windows 7 crashed on my Toshiba Satellite Pro s500. Following reboot, neither the LAN card nor the wireless cards work anymore. The LAN card appears on the Device Manager, but not on the Network ...
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46 views
Restarted PC and my network controller can no longer be found
Pretty much what the subject says; I did a restart of my computer and now my network controller (it's integrated in my Asus motherboard: ASUS M5A97 R2.0) doesn't appear anymore as detected hardware; ...
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Windows 7 - Find some certain Network Adapter Details
So, I know I should not ask about homework, but really my mind is blown by how the searches turn up nothing. I have a certain assignment that asks the following:
Using the graphical interface find ...
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Host Not reachble on a Network Interface
I have two network interfaces on my linux system. When I select eth0 as default gateway , everything works fine. I can connect to the system from other computers, but when I select eth1 as default ...
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Prefer WiFi over Ethernet
I want to use my Ethernet power line adapter in order to use Wake on Lan for my desktop PC.
However, once it has booted into Windows, I want it to use my WiFi by default, as the powerline adapters ...
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32 views
Using Windows 7 and two NIC with two different Class Network
I had windows 7 server with two NIC the primary is using IP 172.21.42.202/24 with gateway 172.21.42.254 then the second NIC as secondary with IP 192.168.1.100/24 with no gateway.
The other client PC ...
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Network disabled in Windows 8 PC on startup
Windows 8 64-Bit pc will not detect network on startup. Every time we have to do a "scan for hardware changes" in device manager. Otherwise it will not connect to network automatically. We did ...
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84 views
Jumbo Packet vs Transmit Buffers
I want to increase the transfer speed between two network adapters:
1) Atheros AR8152 PCI-E Fast Network Adapter.
2) Marvell Yukon 88E8053 PCI-E Gigabit Ethernet Controller.
Marvell has a "Jumbo ...
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1answer
268 views
Generic Ethernet drivers for WINDOWS
Background:
I have a custom built box that I like to setup with multi-boot using GRUB2 and having Windows 7 x64, latest Linux Mint x64, and couple other Linux/Unix distros.
I've had this setup ...
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Are USB Ethernet adapter slower than embedded NIC?
I've just bought an usb-lan adapter.
it is usb 2.0 and 10/100Mb
it connects in full duplex at 100Mb but it is really slow: it goes 10Mb
Compared with embedded NIC same file transfert goes ~100Mb
Is ...
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1answer
376 views
Does Windows 7 support 802.3ad (link aggregation) natively?
I'm trying to understand what's needed to make Windows 7 combine two Ethernet ports into one virtual 2 gigabit port. I know I need 802.3ad compatible switch, my NAS also supports 802.3ad, but it's not ...
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36 views
Localhost pinging when there is no network card
How it is possible to ping localhost when there is no network card.
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128 views
Scan for hardware changes
In windows 8 PCs, the network will not connect at startup. If we do the "scan for hardware changes" in Device manager, then only network will connect. But the same pc was connecting in windows XP. ...
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1answer
37 views
Program for separating connections for different program traffic?
I have seen that for combining 2 different connections into one for gaining speed you have to set up routers and flash their memory or buy new ones, and that's the only way for combining it by ...
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660 views
What is wake on pattern match in network card preferences?
I know the Wake on LAN standard, but I don't understand what the wake on pattern match option means. What does this option mean?
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2answers
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How is ARP about two VMs running on VMWare?
I know that systems in network connect together with IP and Mac address ,But insofar as i now all of OSs running on virtual machine use a common network card.I want to know how another systems connect ...
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2answers
123 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 ...
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1answer
131 views
Why does my computer lose access to mapped drives after being locked?
I am running Windows 7 on two computers connected via crossover ethernet cable.
I lock both computers when I am going to be away for a while. When I unlock the left computer, the mapped network drive ...
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1answer
236 views
DNS Resolution Issue - Error 105
I cannot connect to the internet.
I am having issues resolving DNS (Error 105) in all browsers on my Dell XPS 15 laptop running Windows 8 64x. There is also a dual boot with linux Mint running that ...
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101 views
How do I connect ADSL modem to cable internet
I have a TPlink TD-W8901G and I have a cable internet. When I connect cable internet via a RJ45 cable my PC has internet, but when I want to use wireless it can't connect to my laptop.
What should ...
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1answer
246 views
6to4 vs ISATAP vs Teredo Adapters
I understand that all three adapters mentioned in the title are related to transitioning IPv4 to IPv6.
ISATAP: Transmits IPv6 packets between dual-stack nodes on top of an IPv4 network.
Teredo: IPv6 ...
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1answer
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Wake on LAN option in BIOS
In the BIOS option for many PCs I've looked at- you typically see these 3 options (among others) which you can enable/disable independently:
Power On By External Modems
Power On By PCI Devices
Power ...
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2answers
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Laptop won't connect to router, however will connect to other routers and router works with other laptops
It seems I've come across an issue that is unique to using a particular laptop with a particular router.
From an initial observation it would appear the laptop is having trouble obtaining an IP ...
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Getting Fiddler to work in a VM guest behind a proxy
I have a Mac OSX host and I'm running Parallels (but the same problem exists in VirtualBox). The scenario is that the Mac is wired into a corporate network with an explicit proxy set. The VM running ...
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1answer
130 views
How to configure routes in Ubuntu in order to use network card just in local network
I have Ubuntu 12.04 with two network cards. Because of the security of my organization, I need to use one to connected it to the traffic within a network 10...*, and the other one to have internet ...
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125 views
Libpcap Dropping Packets With Newer Intel NIC
I am migrating a packet sniffing project from a Dell PowerEdge R410 (with dual Broadcom 1Gb integrated NICs) to a Dell PowerEdge R620 (with quad Intel 1521 i350-series 1Gb daughterboard NICs). I am ...
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Intel Corporation 82540EP NIC and “rx_missed_errors” at 140Mbps
I have an Intel Corporation 82540EP Gigabit Ethernet Controller which uses module e1000 version 7.3.21-k8-NAPI. While it is a GigE NIC, I receive "rx_missed_errors"(ethtool -S eth0) already in case of ...
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169 views
Acer Aspire 5720 network driver
I have an acer aspire 5720 freshly formatted to win7 x64
I tried installing the drivers found on the drivers page on the acer website however they either install and end up doing nothing or fail to ...
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253 views
Windows 8 slow network wakeup from sleep
The problem is that Windows 8 is far more slower than Windows 7 waking up from sleep if you consider network adapter.
With following settings:
Going to sleep and back looks like this:
And ...
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1answer
85 views
Suddenly websites load forever
I have a weird problem in my apartment.
When I am browsing...if I go to any sites hosted in the US (I am right now in Germany)....the site keeps on loading forever..but if i restart my browser it ...
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3answers
696 views
Can I select the adapter to bridge separate for every network adapter in VMware?
I have a host computer running Windows7 with a wired network and a wireless network. These are two separate networks with two separate dhcp servers.
I created an Ubuntu virtual machine in VMware ...
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Please get me outta here.. Stubborn APIPA
Any one please help me.. I am getting an APIPA since three days.. I did all the steps mentioned in answers to this question. Still they did not resolve my problem. At last I formatted whole of my ...
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2answers
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Wifi doesn't work - system or hardware issue?
I have a Dell Latitude e360 laptop (64-bit arch) that previously had 32-bit Windows 7 on it. Wireless worked beautifully on it. It has a slide button on the right side for manually turning the ...
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185 views
HS Internet connection much slower after registry/adapter tweaks?
Recently (according to speedtest.net log-3 days ago) my HS Internet connection (ATT Uverse 12Mbps down plan) slowed down dramatically after I attempted tweaking registry and adapter settings in Win7 ...
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Do USB NICs “look” like regular NICs to OS and applications?
I have installed Untangle in VM on my Win 7 notebook for evaluation.
My Win 7 notebook only has a 1 regular NIC port 10/100/1000GB and a Wireless 10/100/1000G.
During installation Untangle quit on ...
