Questions tagged [access-point]

Running a wifi access point (hotspot)

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Wi-Fi Access Point has very low speed in one direction

We are creating an Access Point on an embedded device by using hostapd and dnsmasq. No iptables rule is set. We set it on 5Ghz (a/n) however max transfer speed is 6.1 Mbyte/sec. (Tried with scp and ...
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How can I keep both access point and connection to wifi working simultaneously?

I am working on a device running Yocto Linux. A systemd service is set to create an access point at boot: systemd unit: [Unit] Description=Creates access point. After=network.target [Service] ...
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OpenWrt: Can' connect to wifi [duplicate]

I have an ASUS RT-N56U router with OpenWrt 21.02.3 installed (fresh install). I ultimately want to set it up as wifi repeater, but I'm already struggling with setting it up as simple wifi access point ...
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Port 80 is not available outside localhost

I have a wifi-access point at wlan0 ip 10.42.0.1 . At the same machine there is httpd runnig locally, and when i access it from local browser by 10.42.0.1 - i can see webpage perfectly fine. When i do ...
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How to route traffic from br0 to tun0?

I'm trying to create an access point with my raspberry pi 3B that route all my traffic to an OpenVPN service. I have created a br0 interface, that is a bridge of eth0 + wlan0. The wlan0 interface is ...
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How do I make an access point on CentOS stream 9 without hostapd, with DHCP?

After I stuck for 1,5 weeks trying install wifi card and setup an access point on CentOS 8 I found out accidentially, that the driver for the card is only supported by minimum kernel 5.1 So I tried ...
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“Limited Connectivity” error after attempting to connect to a wireless access point on fresh install of KDE Neon ( based on Ubuntu 20.04)

Everything works fine when I connect to the main router, once I connect to a wireless access point (different SSID and does not have a DHCP server) I'm not able to connect to the internet with a "...
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Hostapd active, but no WIFI signal with ath9k

I'm trying to set up a wifi access point with hostapd, which seems to be running fine, but I can't see the hotspot on another device. The wifi card is DNXA-116 with AR9382 chipset. When running the ...
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Share the internet of one WiFi card through a hotspot of another WiFi card

I have two WiFi cards. One is connected to a router, and gets an internet connection. The other is set up as an Access Point (AP), to which devices are able to connect. But they don't get any internet....
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Can I create an access point and WiFi connection using a single USB WiFi adapter?

I am running a Ubuntu 18.04 distro with kernel v5.4 where I have a Netgear A6210 USB adapter that is using the mt76u2x driver. Recently, due to network issues, I tried to use this USB adapter to ...
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Cannot ping from PC to hostapd access point, but I can ping from the host to the PC

I am working on an embedded system running Yocto. I created an access point using the following commands: iw dev wlan0 interface add wlan1 type __ap ifconfig wlan1 hw ether 00:25:ca:07:0d:a6 ifconfig ...
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How can I find out the power usage of one Acces Point with OpenWRT?

I have one Yuncore AP with OpenWRT connected via PoE to a switch. I can get the power and current usage consulting Power Status table in the switch, but I need obtain these values on the AP side, and ...
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2 answers
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Why can't hostapd service start AP configured in 5 GHz band using Intel AX200 based adapter?

I am trying to set up an AP using the following configuration: Wi-Fi adapter: TP-Link AX3000 (Intel AX200 based) Operating system: Ubuntu Server 20.10 (groovy) Kernel version: 5.8.0-44-generic ...
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How to use TL-WN722N as an Access Point

I'm trying to figure out how to turn my TL-WN722N USB WiFi adapter into a simple access point. My OS is Pop!_OS 20.10, so basically Ubuntu.
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Why pings are not working in my wireless interface?

I am integrating a wifi module in a Yocto image I want to create an AP with it and forward the traffic from such interface but the connection is not working. I am able to see the interface running ...
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Raspberry Pi as a Routed Access Point

So I am following the recipe below using Raspberry OS Buster Lite: https://www.raspberrypi.org/documentation/configuration/wireless/access-point-routed.md I can connect my laptop to the Pi (hostapd ...
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Cannot set AP via wpa_supplicant on rtl8192eu

I am using Imx 6dl board with linux kernal 4.1.15 I connected tlwn823n wifi dongle to it , which has rtl8192eu chipset , I compiled the driver for the same and inserted .ko files , here are the ...
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Linux can only connect to AP with static IP, has no Internet connectivity (not a router issue)

A Linux laptop can only connect to its AP with a static IP. Once connected it can’t ping any local or external IP. The router has no issue with any other device. I have tried restarting DHCP, ...
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How to find Wifi adapters that support managed+AP combined modes?

I'm trying to add Wifi to a small single board computer running Linux that doesn't have embedded Wifi, but has USB ports. I also need that computer to be a Wifi access point at the same time as it ...
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NetworkManager is failing to switch AP: Connection Activation Failed

I would like to switch which AP an iot device is connected to based on some external logic. My AP switching script looked like this: function switch_ap() { current_connection=$(nmcli conn show --...
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Issues using wireless network interface after attempting to use it as an access point for hotspotting

I was following random tutorials attempting to create a private Wifi network on my laptop that would forward my ethernet internet connection on my laptop to other devices on my private network. ...
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Trying to install HostAPD on Kali linux Error = Driver does not support authentication/association or connect commands

Im using latest Kali 5.4.0-kali2-amd64 in a VM (vmware) with a TP-Link TL-WN722N v2 dongle, Im trying to setup an access point routed through my Kali VM so that I can connect an android device to it ...
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hostapd clients don't get ipv4 addresses

I'm trying to setup a raspberrypi 4 as a wifi access point. Following the official documentation I managed to bridge my eth0 interface and setup hostapd. The bridges IP is provided by an exisiting ...
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How to connect to the internet, via a bluetooth access point, from command line

The question may seem highly specific, but I didn't seem any answer anywhere. Accessing the internet via a bluetooth access point sounds like an odd choice, but I believe it's the right one in my ...
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Ubuntu Core switch WiFi between AP and STA

I’m using Ubuntu Core and I’m new to Snappy. I’m using the snap package “wifi-ap” to enable Access Point. I’m also using “NetworkManager” when I want to use Station mode. I’m struggling to switch ...
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How to disable hidden key of wifi network Access Point [closed]

I am using Raspbian. The problem arised when I changed my wifi AP's hidden key by inserting the following line in wpa_supplicant.conf scan_ssid=1 When I try to view the info of wpa_supplicant file ...
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How to control the Bit Rate (mbps) of Raspberry Pi Access Point

I have two "Raspberry Pi 3 B+" boards which are required to be connected. One Raspberry Pi is configured as Access Point (AP) and the other one is just a Client. When both are connected, I write the ...
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Hostapd doesn't work for one of my device

I'm trying to set up my Raspberry Pi Compute Module 3+ as an access point with an access point with a WiFi dongle. I'm following this tutorial : https://elinux.org/RPI-Wireless-Hotspot. I can set up ...
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I cannot enter into an wlan ap created on raspberry with my android phone, but it works on windows

I have a Raspberry PI Zero W with Raspbian on it. I have created with it a WLAN-AP. I can access it with my Windows 10 computer without any problems, with my Android 8.1.0 phone it don't work. The ...
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892 views

DHCP Server IP Conflict Detection

I am setting an Wifi Access point. A common problem about this is that router or etc. could be giving similar IP address to client devices which will cause problems. My question here is that is there ...
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3 votes
1 answer
4k views

Hostapd on a Raspberry Pi 3 with external WiFi card

I am trying to set an AP on a Raspberry Pi 3 using an external USB WiFi card and hostapd and dsnmasq. I have managed to achieve it using the internal WiFi card but when I try to switch to my external ...
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How shoud my AP or network be configured?

I am triying to build rt5370 ap mode. The build is success, but the network has some problems. When I execute hostapd, the AP seemed to operate. / # hostapd -dd etc/hostapd-test.conf & / # ...
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Can I get dnsmasq to drop/reject/redirect any address queries except one?

I am setting up a local survey system. The linux laptop will run limesurvey (on a typical LAMP stack) and will be accessible by 5 tablets given out to conference participants. Tablets are no problem ...
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Why can't we easily bridge over a wireless NIC

In the documentation of Debian it is written that: Just like you can bridge two wired ethernet interfaces, you can bridge between an ethernet interface and a wireless interface. However, most ...
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1 answer
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How to build a bridge between 2 networks?

Using Beaglebone. I have successfully set an AP, but am unable to bridge eth0 and wlan1. Applications used: hostapd, dnsmasq, bridge-utils /etc/dnsmasq.conf interface=wlan1 dhcp-range=10.10.1.2,10....
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2 votes
1 answer
6k views

hostapd: Failed to set channel (freq=2417): -16 (Device or resource busy)

I'm trying to set up a WiFi Access Point on my Raspberry Pi. I set up the network interface to a static IP and installed hostapd. I'm using this config: # Interface and Driver interface=wlan0 #...
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Interactive control of which stations are allowed to connect to hostapd softAP

Setup: I have two devices working in IEEE802.11 infrastructure mode. I have the station using wpa_supplicant to establish connections and the access point on the other device provided via hostapd. ...
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6 votes
3 answers
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Can't start isc-dhcp-server because of the Error : Not configured to listen on any interfaces!

I try to set up a wifi access point with hostapd and isc-dhcpd but the dhcp server doesn't work. The conf file is the same I found in this tutorial: [Hostapd : The Linux Way to create Virtual Wifi ...
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Hotspot history

I set up a wireless access point with my Linux machine. Now I want to know if a device accessed the Wi-Fi Hotspot and for how long. Is there any log file where I can find that information? I already ...
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Unable to start hostapd with Alfa card (Atheros) on Raspbian Lite

I'm trying to run hostapd on my RaspberryPi to set up an AP. I'm using an Alfa card that supports AP mode. The hostapd config I'm using is minimal as I'm testing why this doesn't work atm: interface=...
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1 vote
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180 views

TP Link Wifi dongle connectivity drops after 12 hours on Linux Kernel 2.6

I am using USB WiFi dongle (TP Link) to connect my custom device to the Access Point. Upon device boot up, the connection and speed is normal. After about 12 hours, the network connectivity drops and ...
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1 vote
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nmcli wifi access point isn't showing up

I've created an access point using nmcli however it isn't showing up when I scan for it on my phone. Here's how I created to access point user@user:~# sudo nmcli connection add type wifi ifname ...
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3 votes
1 answer
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How do I create a persistant (ad hoc) access point?

I was able to create an adhoc access point on my debian (raspberry pi) but when searching for wifi it shows the access point as a different symbol (ad hoc) and when I disconnect from it the access ...
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2 votes
0 answers
57 views

OpenVPN: raspberry pi AP to other pi w/ VPN

I've established, I hope, an openvpn server on my raspberry pi at my house. I have another Raspberry Pi acting as an AP at my university so that my lab can connect to the internet through the AP. I'm ...
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6 votes
1 answer
2k views

wpa_supplicant doesn't auto-change AP

(I was trying and trying for hours to find a workaround, which proved much harder than initially expected.) The problem itself is easy to understand, though. I recently installed a GUI-less Debian ...
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8 votes
2 answers
6k views

starting hostapd fails -- ACS: Unable to collect survey data

I'm on a jessie on an embedded device, trying to set the WLAN into AP mode. When I try # /usr/sbin/hostapd -P /run/hostapd.wlan0.pid /etc/hostapd/hostapd.conf Configuration file: /etc/hostapd/hostapd....
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Hostapd nl80211 failed to set interface -19

I am trying to run hostapd on Debian linux. I am using a Realtek rtl8188 usb wifi card, on a Olimex OLinuXino A13 WiFi. However, when I run the command hostapd -dd /etc/hostapd/hostapd.conf I am ...
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2 votes
0 answers
981 views

Can't establish AP with hostapd on RPi

I'm running raspian and am attempting to use my Raspberry Pi to establish an AP using hostapd and dnsmasq. So far, I can't get hostapd to work. The relevant lsusb is Bus 001 Device 006: ID 0bda:8172 ...
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1 vote
1 answer
943 views

Using router with openwrt as AP to EdgerouterX

I have an old router that I managed to install openwrt on it. My router is EdgerouterX from Ubiquiti. I want to use the openwrt router as an AP connected to the Edgerouter. I need the AP to provide ...
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3 votes
0 answers
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How to simulate WiFi going out of range by turning on/off Access Point on my Linux device?

I'm not running hostapd and can't install it. I'm trying to turn off a wireless access point from my device such that any third party devices that are currently connected to it drop the connection. ...
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