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.
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No layer 2 traffic in an Open vSwitch bridge
I see no traffic in layer 2 and above in an OVS bridge, but I do see layer 1 traffic.
I have the following setup:
I have created a Linux VirtualBox VM with three adapters: NAT with port forwarding the ...
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Asus dsl-ac750 OpenVPN IP settings
I've done the VPN settings of my Asus DSL-AC750 modem. I can reach modem interface from another computer with OpenVPN. But it gives me 10.8.x.x ip block by default. My local ip starts with 192.168.1.x....
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Host machine loses wireless connection when virtual machine is on [migrated]
I work remotely using a virtual machine on my personal computer since I don't have a company laptop. Initially, the virtual machine was created on VirtualBox and worked fine until a few weeks ago. ...
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What is Option 60 (Vendor Class Identifier) used for in DHCPv4?
Currently I'm using Wireshark to analyze the DHCP process between wireless devices and my DHCP server (which in this case, is my Wi-Fi router).
On all of the devices that I tested, I noticed that each ...
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How can I improve connection from multiple devices to "server" over WiFi?
So this question is a bit vague, and it's partly because I'm not entirely sure what I should be asking. Hopefully someone here can point me in the right direction.
What I'm trying to do:
I have a ...
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408s and Request Issues on specific sites and devices
TLDR; wired desktop works, wired laptop cant load some sites, mobile phone not working on wifi with same sites as laptop. Noticing 408 and request generation issues but cant pinpoint what/why
Hello, I ...
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How to find device names on local network?
Currently I'm trying to write a Python script to scan through my local network, and list all of the active IP addresses, and their corresponding MAC address and device name. Also all of the devices ...
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Radius authorized WiFi clients cannot access network
I am using Fortigate + FortiAP and a Radius (WS 2019 NPS) for authorization.
I can access the WiFi, I receive IP from dhcp (which is in the network), however I cannot go anywhere else.
I cannot even ...
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Wifi connection fails until user logs in, then drops when the log out
Scenario: We have a number of PCs (50+) on a small corporate network, running Windows 10, MS server 2012 running the normal services (AD, DHCP, DNS etc) and a Ubiquity based network and wireless APs. ...
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Limit amount of traffic per user in public WiFi network
I would like to limit the usage of my free public customer WiFi network to a certain amount of data (i.e. not a bandwidth limit which seems fairly easy to set), let's say 1 GB (or 10 GB or whatever).
...
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Is there any geographical zone that permits all 802.11 frequencies? [closed]
When I run OpenWRT sometimes I get errors like this,
daemon.notice hostapd: Frequency 5720 (primary) not allowed for AP mode, flags: 0x800416b NO-IR RADAR
daemon.err hostapd: Primary frequency not ...
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802.11r, same mobility domain across radio frequencies?
I have an OpenWRT box that has 2.4ghz, and 5ghz AC. Should I set up the same "Mobility Domain" for both radios to enable 802.11r?
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2 VLANS on 1 Physical OpnSense Ethernet Port (connected to wifi access point) and 1 Captive Portals on each VLAN
I want to create a captive portal with different restriction per user account/role (student and teacher).
The Teacher can have unrestricted access.
The Student have restricted access. (only defined/...
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Adding new wifi vlan to Mikrotik router - cannot ping
Previously I had vlan 10 (Wifi) and 20 (Management) already set and working correct for this setup: Mikrotik router RB2011iL, D-Link switch with trunk ports for both vlans, couple of Mikrotik CaPs and ...
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How to troubleshoot spotty connection to a LAN computer
I have a Windows 11 Pro machine (192.168.2.40 - WiFi Intel Wireless-AC 9560) that having spotty access issue to a local Linux SAMBA server in (192.168.2.33 - wired to the router). Pinging sometime ...
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Why does Windows 10 disconnects WIFI frequently, when Firewall is very restrictive?
On my Win 10, I've blocked all incoming/outgoing connections except: DHCP, DNS, LAN, Edge and couple other apps. After reboot Win 10 sees WiFi connection as connected/no internet => disconnects it ...
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How to properly setup a Guest Network on the TP-Link EAP115 AP?
I have a TP-Link EAP115 Access Point. I would like to setup a guest network, so that people who come to my house and use the WiFi cannot port scan the rest of my network. And I really only care about ...
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How to install Wifi dervers Realtek RTL8723BE/RTL8188EE 802.11b/g/n Wireless LAN Drivers in cent os 7
i was using Realtek RTL8723BE/RTL8188EE 802.11b/g/n Wireless LAN Drivers
when I was using windows but after centos installation, my wifi adapter is not showing please anyone help me with this?
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Best practice for preferring the network interface that actually has internet?
I have an embedded device where I have three network connections, eth0, wwan0, and wlan0. wwan0 is a metered connection, so I would generally prefer eth0 or wlan0. The problem is that at any given ...
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Router forces to use netcard's hardware mac
I'm trying to connect to a network that manages device connections by it's mac.
So, I want to connect a device, which has no interface to connect it properly by itself
I decided to use a different ...
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Hostapd RADIUS Attributes - FramedIP
So I recently started playing with Hostapd and I finally got 802.1x working.
The issue is, I have an authenticating proxy server where I'm sending my RADIUS Acct and while it's logging the ...
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A hospital WiFi network is stopping a PC from finding a printer. Will another router fix it?
Background Info
I have a quadriplegic client who lives in a hospital (long-term living) and has his own room. He has a laptop running Windows 11 and an HP printer. The hospital provides WiFi for the ...
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Can pre-assigned IP addresses be preserved when using wi-fi extenders?
I'm considering using a wi-fi extender.
It will work fine for lap-tops, tablets, etc. that need a connection but don't need a fixed DNS entry with preassigned IP addresses.
But wi-fi extenders modify ...
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WFi Network Discovery in Windows 10/11
If you have a known WiFi AP, that you have connected to previously, and you know is always on, is it possible to not discover other WiFi networks and only connect to the known trusted WiFi network. I ...
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Ethernet connection disables WIFI
Our company makes a 3d printer built around a Jetson Nano. The printer connects to the internet using a wifi dongle, but for the initial setup the user must connect to the printer using an ethernet ...
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How do I allow a device to only connect to certain wifi networks?
I have been assigned to a task that a laptop should be connected to particular wifi Network, i.e Laptop should not connect with any other wifi network other than office wifi. is that possible??? any ...
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Python flask captive portal
Im making python tool for creating access point with hostapd, run http server on 10.0.0.1, and using dnsmasq redirect clients to the http server login page
Its working when i use localhost as hostname,...
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Good/proper way to configure/deploy computer wi-fi? Is netsh evil?
I used netsh interface ip ... to configure a computer and that caused me a lot of grief, and wonder if there is a "better" way.
I occasionally need to configure new MS Surface computer/...
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Establish a connection to a device that is connected to a router repeater that is connected via Wi-Fi to the main router
I have a DD-WRT firmware repeater router that relays the signal of the main router via Wi-Fi (i.e. it is connected to the main via Wi-Fi). I have a Linux device that is connected to the repeater with ...
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Can I use Laptop with one WiFi and one Ethernet Port interface to setup firewall - OPNSense?
I am trying to setup OPNsense Firewall at my residence using a spare laptop which has one WiFI and one Ethernet interface. I was able to install OPNsense and configure the interfaces to LAN and WAN. ...
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How to use both eth0 and wlan0(unbuntu)
My system has a ethernet(eth0) and wifi(wlan0) on the Ubuntu I want to use both eth0 and wlan0.
Now only wlan0 is activated like the following
lo Link encap:Local Loopback
inet addr:127.0.0.1 ...
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Wifi 6E access point in Linux
Context: I'm looking to set up a 6 GHz (Wifi 6E) Access Point in Linux. I have two Intel AX210s (WiFi cards) on two computers.
nmcli only supports 2.4GHz + 5GHz
hostapd seems to support WiFi 6 but ...
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Why is ping time much higher using wifi than Ethernet connection?
I have struggled with API of https://api.materialsproject.org recently. Because it is so slow and unstable when fetching data. I thought it was just the problem of this site. However, I found it is ...
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NPS policy for external firm?
Can NPS be used in the following scenario:
We (FIRM-A) are sharing some office space with another firm (FIRM-B). We would like their laptops to connect to our "Internet Only" SSID. Those ...
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Can't connect ssh via wireless interface but t works using eth0
Suddenly I can't connect via ssh to a server using my wireless interface but I can do it using the eth0 interface with a cable connected directly to my router.
From my wireless interface I got:
$ ssh -...
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Raspberry Pi 1 WiFi adapter receives 2 dhcp addresses
I have a raspberry pi 1 with a USB WiFi adapter.
The wlan0 interface has 2 IP Addresses and i dont know why:
pi@smart-meter:~ $ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state ...
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Setting up an Access Point, Raspberry Pi, and Laptop to serve a website in a classroom. "The internet in a suitcase" [closed]
Our trainers experience bad internet connections at some schools. I would like to provide them with a "mobile" (as in take it on the train) version of our platform running on a laptop, which ...
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Ubuntu server can be accessed only after ping
and tank you in andvantage for any suggestion,
I hve ubuntu server (20.04) on lan, but I can access to it (ssh or web-server apache) from other pc (windows 10) only if I do a ping from server to ...
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Configuring IP and network address for Windows Mobile Hotspot [closed]
I'm using Windows Mobile Hotspot on my laptop to share its Internet connection with other devices.
It sets up a DHCP service, using 192.168.137.1 as the gateway address, and leasing out addresses on ...
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WIFI : distinguishing client by OS
We have differents wifi clients Some of them on Android/Apple phones, others on PC Windows. Wifi is authenticated by NPS and we have a DHCP in wwindows server.
We do not trust phone. We want to put ...
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Laptop asking for "action needed" on NPS Computer auth WiFi connect, despite valid Server Thumbprint
I have configured computer authentication on WiFi connect to company network, using the microsoft nps server, group policy certificate auto-enrollment and group-policy wifi config.
Has been working ...
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Tracking Down Source of Network Instability
If the issue happens, it happens at 10am, for about 1minute between onset and return to stability. It does not happen every day. During the minute, pings go through the roof and packets start to drop,...
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TCDump Missing packets
We use TCPDump on an RPI to capture WiFi signals from nearby devices as a means to get an estimate of number of people.
We have notice the on "normal" days the numbers are reasonably ...
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multiple issues after joining domain over remote site to site tunnel to another corporate envirement
I'm facing issues with multiple users after joining them to domain over site to site tunnel,
the company i'm joining its users has an Active directory which has their accounts to connect to corporate ...
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Rename a Windows network Adapter based on Description of the adapter
We need to rename the network adapter for a number of devices, however the adapter name can be different on different devices.
The identifier is the description of the adapter so wondering if anyone ...
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How to connect device with no web browser to RADIUS WPA2 Enterprise wifi network
I am trying to connect a Bresser 5-in-1 Weather Station to a workplace's wifi network, which uses RADIUS WPA2 Enterprise security. From a laptop or smartphone I can connect to the network and then ...
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Is it possible to implement a TCP/IP network over DECT?
I am working at a site where DECT is implemented on Mobile Devices, and I am wondering if it is possible to setup a TCP/IP network using DECT as the data transmission layer.
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How to prevent DHCP IP starvation attack on a wireless interface?
It's probably possible to go to any restaurant/cafe/bus with public Wi-Fi Hotspot and flood it with DHCP DISCOVER / REQUEST packets. If this network is created by a router that works as a DHCP server, ...
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Mikrotik Wifi on Android keep on disconnecting
My company recently purchased a few Mikrotik hAP Mini. These units are used for Site to Site VPN. The first unit I setup manually worked flawlessly. I then exported the configuration to the second, ...
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Fortigate and RADIUS Wifi authentication for domain and non-domain devices
We're setting up RADIUS authentication for wireless network connections through a Windows Server 2012 R2 (NPS).
We have to allow both domain computers (registered in Active directory) and non-domain ...
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