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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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What is this part in my laptop screen?

So recently the hinges of my laptop broke, and while fixing it I came across the following component. My laptop is an Asus VivoBook S551LB-CJ046H. It's at the bottom of my screen, and is normally ...
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nethogs shows 0 KB although I have traffic

I am running a network related program that performs TLS handshakes with many hosts. I ant to monitor the network traffic so I used nethogs. It shows 0 KB. NetHogs version 0.8.5-2 PID USER ...
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MSI Laptop Losing Wifi and Bluetooth Capabilities

The laptop's model name is GS60 2PC Ghost and it uses an Intel Wireless-AC 7260 adapter for Wifi and Bluetooth. I'm suspecting a hardware problem with the adapter or some kind of faulty connector. ...
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Windows virtual ethernet adapter send packets to software

I'm looking for a way to emulate a network adapter on windows and be able to use the packets in a program. The program will then send them over alternate means. I just need to create a virtual network ...
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Connect to internet, while wired to local network through ethernet

I have my desktop computer connected to a few devices on a local network via ethernet and network switch. I changed my Internet Protocol Version 4 Properties to "Use the following IP address" and am ...
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16 views

Bridging Ethernet Adapters for Active Backup?

I have two ethernet adapters I have bridged. I would like to configure them for active backup in case one of them should fail. How do I do this?
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1answer
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When I hibernate or turn off/on my Windows 10 PC, the NIC stops working

As the title states, every time I turn on my PC (or wake it up) I won't be able to connect to the Internet. I have had this problem for quite some time and the only solution I have found so far is to ...
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48 views

Windows 10 pc download speed only at around 30-35 Mbps when paying for a 100 Mbps download speed. Why?

Booting to usb ubuntu shows speed at 100 Mbps. Using Realtek PCIe GbE Family Controller, driver updated to one from Realtek site dated 6/15/18. I also have two machines, both plugged into the same ...
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1answer
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New PC build slows down to a halt after a few hours + network speed drops

I am in the process of building a new gaming PC. I have these components: Gigabyte Z370 Aorus 7 Motherboard I7 8700K 16gb 3200 Corsair RGB ram Samsung 970 Evo 1TB nvme drive Corsair 650w power ...
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Running macchanger in Kali Linux VM Disables Network Connection

Below is my version of kali which is a vm running on VBox 5.2.22: Linux kali 4.18.0-kali2-amd64 #1 SMP Debian 4.18.10-2kali1 (2018-10-09) x86_64 GNU/Linux As the title says, after changing my mac ...
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Unable to Ping from VMWARE Linux Guest to Other VMs running but can ping Windows Guest to others

I have setup few VMware machines. namely Windows 10/7/XP and linux Kali/CentOS/Metasploitable I have tried seting up the Network Modes as following on all the machines one at a time Host-only Bridged ...
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1answer
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Virtual Network Interface Card with actual access to the network

I have a computer, Windows 7 Pro, running a program that checks the availability of 3 different ISPs in my network. It simply pings the same host (8.8.8.8) from each ISP and takes some actions when an ...
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can I sniff traffic with NIC connected to network and without having IP address

Is it possible to sniff network traffic by just connecting to network but without assigning IP address to NIC? If sniffing is not possible, how easy is to guess get valid IP address if DHCP is ...
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2answers
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Change IPv6 temporary address interval? Generate new IPv6 address?

1) On Ubuntu / Debian systems, how do you change the temporary ipv6 address interval? The time duration it takes before the system generates and changes the ipv6 addresses? 2) How do you manually ...
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How to make remote NIC card seem like a LOCAL NIC to the pc over VPN

Hi everyone and apologies for the beginers question. I have 2 laptops. Both connected to wifi in different locations. I have a machine that uses a particular software to be managed and it is ...
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1answer
57 views

Network problems Ethernet + Wifi after clean install Windows 10

I'm having trouble accessing the network on either Ethernet or Wifi. There are several other devices connected to the network and none of them have trouble accessing the network, and even when all of ...
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0answers
20 views

Cannot set speed of USB adapter

SO, I have a USB 3 to Gigabit Ethernet adapter, When I try to change speed and duplex of this interface ethtool -s eth1 speed 1000 duplex full autoneg on I get: Cannot get current device settings:...
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1answer
90 views

How to get IP address and the connected interface name in bash

PC with onboard linux has several network interfaces, e.g. two ethernet cards and one wifi adapter (numbers and types may vary). Each of that interfaces could be connected to a network (and could be ...
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1answer
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Netsh interface ip set dns register

One of the parameters of the command Netsh interface ip set dns is register. What is its purpouse? I do not understand the explanations given in the help. Which value is set to this parameter if I set ...
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1answer
20 views

Inconsistent single large file copy speed (W2k12)

The case is: 2 (identical) W2k12 physical blade servers,hosted on the same enclosure. connected via enclosure internal 10Gbe switch (Force10 MXL). Both servers are at the same subnet. Both servers ...
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2answers
90 views

Shutdown-on-LAN capability

There is a technology, called WOL. Is the an opposite? Is it possible to shutdown a computer via LAN? I would expect small embedded linux in a NIC which was capable to long-press power off button. ...
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1answer
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Handling NIC settings with UWF in Windows 10 enterprise

We are using UWF to protect our Windows 10 IoT Enterprise LTSB machines which run in a kiosk mode with our own software. For the latest product, we have made a software shell/wrapper around the WMI ...
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Error message about network drivers in Chrome after blue screen [duplicate]

Recently I'm having a lot of blue screens. After my laptop is restarted and I reopen Chrome it opens the tab chrome://settings/incompatibleApplications. The content of that tab is always the same (...
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2answers
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Network connection name

The ethernet connection on my laptop shows as Ethernet SONOSWIFI BroadcomNetXtreme Gigabit Ethernet Plus About 4 months ago I setup a tiny LAN for a customer on a consumer grade router. It was to ...
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connect virtual NICs to LAN on Windows [duplicate]

How can I add multiple virtual network interface cards on Windows 10 and connect them to local network using one physical network interface card? In my use case I need to concurrently use multiple ...
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2answers
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My computer does not have a wireless connection option [closed]

I have a desktop computer built my PC years ago. When I first got it I installed Windows 10 on it manually. I realized a long time ago that I could not connect to WiFi but ignored it since I was wired....
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Stop windows from auto name PCI network card

When I install a pci network card windows auto names the port names and seems to completely ignore the correct ordering of the ports. Whether the ports are number 1-4 left to right or right to left on ...
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1answer
2k views

Windows 10 Force NIC into Promiscuous Mode

This may be a dumb question and may not be possible. I want to turn promiscuous mode on/off manually to view packets being sent to my PC. I have port mirroring setup on a managed switch and I can't ...
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1answer
96 views

I need to upgrade my laptop wifi 2.4GHz frequency to 5GHz frequency

My university has wifi routers that support both 2.4Ghz and 5Ghz. My Asus laptop is 802.11b Preamble, therefore I can use only 2.4 GHz. It is too slow to use university wifi. My other friends has wifi ...
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1answer
25 views

How can I identify my network hardware bandwidth capacity in Linux

I am running a program in two terminals. One is makes 50 concurrent TLS connections and the second at 10 concurrent connections. It is important for me to monitor the network resources to decide on ...
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1answer
52 views

How can I get the maximum network card capacity

I want to be able to know what is the maximum capacity of my network card in my Ubuntu 18 machine. I use sudo nethogs and gets output like: NetHogs version 0.8.5-2 PID USER PROGRAM ...
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Can't get an Ethernet connection between a PRO/1000 GT Desktop Adapter and a Beckhoff module working

I'm using openSUSE 11 (i586) installed on a PC used for an old project. I have a problem with the network card (Intel PRO/1000 GT Desktop Adapter). Connecting the Ethernet cable to a Beckhoff module (...
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1answer
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No Wireless Adapter showing

All of a sudden I cannot connect to Wireless networks with my laptop. There is no wireless adapter shown in device manager or Network and Sharing Center. In "Manage Wireless Networks" it says that ...
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0answers
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Asus XG-C100C 10GBE NIC stating cable is unplugged

As the question states, Windows 10 states that the cable is unplugged from the NIC when it is not. The on-board NIC detects a connection using the same cable. Already updated/reinstalled driver, ...
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36 views

Using airmon-ng turns off the WI-FI

I have a TP-LINK TL-WN722n(150 Mbps) wireless adapter. I run it on Vmware on a windows 10 and i have been using wireshark and the aircrack suite for about a year. Everything was working fine, but ...
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1answer
238 views

Network Card speed stuck at 100 Mb/s

I have recently upgraded my Internet connection with my ISP (Movistar, Spain) and now I have a 600 Mbps one. My Windows 10 computer (has a Gigabyte GA-Z87P-D3 motherboard) is capable of running a ...
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1answer
109 views

Create many network adapters and force different programs use different adapters

I have a Windows 7 PC with one Internet connection through one physical network adapter. I'm running many copies of different network programs. As a result, all the programs are using the same network ...
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995 views

No internet connection on freshly installed Ubuntu 18.04 LTS

When booting Ubuntu 18.04 from USB flash drive, I can't connect to the internet through cable (cable detected, but not working) or through Wi-Fi. It says that it doesn't recognize the Wi-Fi adapter (I ...
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0answers
134 views

High number of Rx Overruns for particular port on switch

The switch is Mikrotik CSS326 and I'm concerned about errors in port n° 9 in this image : 23'428 Rx Overruns while other ports are much lower, including port n° 1 which is connected to the router. ...
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1answer
46 views

Shielding on network cards - why it's used?

I noticed that plenty of enterprise grade network adapters use weird metal "fences" near pci-e connector. I think it's kind of shield isolating NIC from motherboard but to be honest... Why do we need ...
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1answer
673 views

Can I remove and use laptop's wifi card and internal antenna on desktop build w/Asus Gene V mPCIe Combo Card?

I'm not sure if this is the right place to ask, but let's give it a shot. My friend recently bought a used desktop build with Asus Gene V motherboard(link below) that comes with a mPCIe Combo Card ...
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1answer
60 views

Add WiFi ability to old computer

This might be a really newbie questions but I have an old Windows 7 computer, that is connected to the internet with an ethernet cable--the computer network card does not have WiFi connection ability. ...
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0answers
113 views

Virtual Network Adapter issue

Recently I encountered a problem with my virtual network adapter when using a VPN to connect to a gateway. My virtual network adapter fail to authenticate my credential although everything seems to ...
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2answers
2k views

What is a TAP adapter, what does it do, and how does it work?

I am currently using NordVPN on my Windows 10 system, and during the course of uninstalling an unrelated program, I came across something called 'TAP - NordVPN 9.21.2' on the Uninstall/Change list. ...
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1answer
75 views

Wifi is unavailable on Kali OS

The wifi is "unavailable". No networks are showing in the wifi settings. I have tried fixing through the command line with ifconfig, iwconfig and everything else. As far as I know my router is ...
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1answer
241 views

How to keep USB WiFi adapter from turning off/sleeping in Kali Linux VM?

I have an Asus AC-56r 1300 which has a rtl8812au chipset. I am using Virtual box and got everything working (drivers, monitor mode, etc.). However, when I try using Bridged connection, the adapter ...
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0answers
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File sharing via USB NIC not possible

Environment Win 10 (1709) 64 bit Dell Latitude 7390 Dell Dock WD15 providing networking (Realtek USB GbE Family Controller) Description of issue The notebook behaves as expected network-wise, ...
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1answer
69 views

Adding a Static ip device to my network

I have a new machine that's added to my network. It has a IP that cant be changed. IP 10.47.101.10 255.255.255. My network is 192.168.0.1 - 200. I cant for the life of me figure out how to ...
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1answer
36 views

CentOS - Prevent forwarded connections from NIC #2 through default gateway on NIC #1

I have a CentOS 7 system with 2 NICs (eth0 and eth1). NIC configurations: eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.43.96.210 netmask 255.255.255.192 broadcast ...
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300 views

Port 445 still open but i cannot connect (Use shared drive) to windows server 2003

Two days ago my windows server 2003 shared folders no longer accessible from other computers in the network. No Active Directory Domain, simple workgroup sharing. Turn on File and Printer Sharing on ...