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Questions tagged [wifi]

WiFi is a layer 1 and 2 networking protocol for wireless communication between devices. It is typically used in local networks for client access, but can also be used in point-to-point network links. WPA is used to encrypt traffic.

1286 questions
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Persistent storage in captive portals or mobile internet while wifi connection without internet

I have a little problem here: I want to create a WiFi network, which does not provide internet access. The WiFi network should only serve one website to the user like in a museum. That's pretty simple right? But here comes the hard part: I need to…
TNT2k
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Use ethernet port for smb share transfers, but smb should still be accessible over wifi

I'm pretty new to Linux networking and I'm not sure how to fix a file transfer issue I have. I have two Raspberry Pis. One is running Raspberry Pi OS and the other is running OSMC. Both are connected to a pretty dodgy Wi-Fi connection. I would like…
Appelman
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RTNETLINK answers: No such device /Wireless card /kali linux

I've got an issue with alfa AWUS036NH. I cannot set it up. I get info : "No such device" or "Input/output error". I used command : "sudo ip link set wlan0 up" Kali version :5.5.0-kali1-amd64 release:2020.2 and yes I've made update before I'm…
timerto
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Connect two local networks

I'm trying to connect two local networks together. Network 1 (192.168.1.1) is connected to 10GBe Internet via router with dhcp. I've added switch Netgear XS708T for more 10G ports (Clients 1 and 2). Via this switch I've connected a wifi router with…
Tom R
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internet connectivity failure in virtual machines on workstation

I have VMware workstation environment on my laptop. Also there are 2 Wifi cards. The configuration of VMware virtual network editor is following vmnet8 and network setting for virtual machine network adapter is following virtual machine network…
political science
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Is there any way to trigger a network connection repair automatically?

I have a computer with windows 7 that I intend to use as server (it will at home and I may need to access it from work), now, problem is WiFi connection sometimes hangs, but after repairing it, it works OK. Is there any way to trigger a network…
THESorcerer
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Clear DHCP lease on disconnect

I have a rather specific situation where i'm at a bit of a loss on how to do things properly so i figured it was time to ask for help. Situation is: i have a Raspberry Pi with a 3G modem as well as hostapd and dnsmasq installed. This means that when…
Jacob K
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Disable online streaming in wireless router?

I am administrator of the network in my house. There are lot of tenants watching audio/video streaming (for example: TVUPlayer). This creates problem to other users in the network resulting in lower speed and frequent packet drops. Could you let me…
joe
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What happens to a tcp packet when two access points for the Same SSID are on the same channel

Working on a C# Tcp server that is communicting with an embedded IOT device and I was having serious communication problems. Packets getting lost and or delayed. Not receiving ACK...ect It turns out the Network I was using has 3 access points…
nate_weldon
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Modem for optimal Wi-Fi router placement

I'm trying to set up a wireless network in an old building with very thick walls. The 80Mbps VDSL2 connection arrives in possibly the worst place in the building - a router placed within a sensible cable's reach from the phone socket will still…
Mourndark
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wifi only works when lan is connected

Hold tight, this is a strange one... I have a board with two network adapters, one lan and one wifi, each one properly configured and has its own ip address on the same network. Whenever they're both connected, they both work fine, but whenever I…
akiva
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Does a wireless access point behave like a hub?

I read on Ask Leo that a wireless access point is essentially a hub. Does that mean in my home network my wireless router (which according to the article is really a router AND wireless access point) will distribute the response to my request to…
user5948022
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wlan interface is missing in ifconfig but present in the iwconfig

I have OrangePi Plus 2 with lubuntu installed and try to setup wifi there. Wlan interface is missing in the if config, but present in the iwconfig. ifconfig eth0 Link encap:Ethernet HWaddr 1e:ee:98:39:b4:ef *** lo Link encap:Local…
Andriy
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Seamless wireless AP network through wired routers

We have 3 open-space floors of 80 square meters each that we want to cover by the same wireless network in a big concrete building. We also have ethernet cables set up throughout all the floors. The requirements are: we want internal (let's call…
binar
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Promiscuous mode not working with ubuntu and wireshark

I am running Ubuntu Linux and have installed wireshark on it. I can see the incoming and outgoing traffic just fine. Now I want to see the traffic from other devices which are on my LAN. So, I did: $ ifconfig wlan0 promisc Now I pick up my phone…
Anonymous
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