Raspberry Pi

Questions tagged [hostapd]

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Setting up open wireless access point on Raspberry pi

I have set up me Raspberry Pi as a wireless access point protected with WPA2 and a password but is there any way I can turn it into a open access point? Like changing my hostapd settings? My hostapd....
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1answer
65 views

WiFi access point fails with brcmf_cfg80211_change_iface: iface validation failed: err=-16

I was trying to set-up an access point at the same time as I have a station (client) connection and I kept hitting a brcmf_cfg80211_change_iface: iface validation failed: err=-16 error seen in syslog ...
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26 views

Raspberry Pi repeatedly starts and stops advanced ieee 802.11 and ieee 802.1x/wpa/wpa2/eap authenticator

i recently wanted to use the hostapd wifi access point but after i installed it and rebooted i repeatedly got the following messages in console on boot: [DEPEND] Dependency failed for wpa_supplicant ...
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22 views

Pi 3b* as wireless access point fails to allow client connections after client disconnects

I have my Pi configured ( hopefully correctly ) to act as a wireless access point. On boot the Pi accepts connections as expected. I can connect from Android phone, kindle tablet, and windows. After ...
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29 views

Creating a Wireless Access Point with an ethernet cable on the same subnet

I have a raspberry pi 3b+ that I’ve configured to act as an access point. I’ve followed the official Raspberry Pi documentation to accomplish this (See: https://www.raspberrypi.com/documentation/...
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25 views

Access point works with cell and tablets but not other computers nor other raspberry pi

I have two weird situations. I configured my pi4-4gb to be an access point for a private network. The goal is to allow multiple pi-zero-w to connect to this access point and also allow, when connected ...
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31 views

(Raspberry Pi 4 hostapd wireless access point) Does any one have expenerience connect more than 10 clients?

So I setup an AP on my Pi 4 8gb. Any suggestions have to be supported by the Pi 4 built-in wifi hardware. I started connecting a bunch IoT devices, and everything was fine for a while. So I had 9 ...
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30 views

Hostapd + wpa_supplicant: Blocking behavior while both in use

I'm using a Pi 3B+ to simultaneously run in AP & managed mode (on interfaces wlan0 & ap0). I noticed that while the Raspberry is attempting to connect to a network over wlan0, connecting to ...
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1answer
64 views

Nintendo Switch thinks RPi-hosted WiFi Network has a captive portal when it doesn't?

I have a hostapd/dnsmasq WiFi network hosted by my Pi Zero W. I have it so I can play multiplayer video games with friends when no WiFi is available. It does not have internet access. For the Nintendo ...
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113 views

How to bridge ethernet and wlan as LAN connections

[Intro] I successfully turned the raspi 4 model B into a wan router by using a USB to ethernet dongle as wan port and dhcp-client from the main internet router, while the onboard raspi's ethernet port ...
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68 views

Raspberry Pi Zero with WLAN Dongle, set up standalone AP and switch to Wifi Client

For a current project, I want to set up a standalone Blynk-Server on my Raspberry Pi Zero (version without inbuilt WLAN). I am using an EDIMAX Wifi Dongle EW-7811Un V2 and was able to set up the ...
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13 views

i created a wireless router on my RPI3 but failed to start isc-dhcp-server

I created a wireless router with RPI3 but isc-dhcp-server is not working i made changes to dhcp.conf ie uncommenting authorative and also subnet 192.168.1.3 netmask 255.255.255.0 { range 192.168.1.10 ...
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45 views

Single raspberry pi as access point and a SDN controller doesn't fully work and It's not clear why

I've been trying to setup my raspberry pi to act as an access point, which, after a host connects to the AP, it assigns the host to the SDN. I managed to get the AP working by following the tutorials. ...
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49 views

AccessPoint doesn't allow me to connect my device to raspberry

I am trying to configure an Wifi access point on my raspberry. I have created a virtual interface that enables my RPI (3B+) to still use wlan0 for wifi connection and "apwlan0" for ...
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534 views

Using Systemd-Networkd for Multi-Interface Networking

I am attempting to create a multi-interface wifi to (wifi, AP / ethernet) setup. I am using Systemd-Networkd, and I am able to get the base configuration to work without issues. I run into problems ...
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34 views

Setting up an AP from C code rock solid

I have to develop a program for RBPi4 with latest Raspberry OS. I'm coding in C because that's what i know for now. After startup the device's first task is to create a WLAN with predefined ssid, ...
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1answer
75 views

Raspberry Pi AP crashes when transferring large files over FTP [closed]

I have an Access Point set up on my Raspberry Pi 4 using a wifi dongle and hostapd. Everything works great, but when I start to transfer a file over FTP, the connection aborts at around 1 GB and I ...
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1answer
154 views

hostapd failing to respond to DHCP discover nl80211: Frame command failed:

I'm trying to set up a AP by using hostapd and I was unable to even after following the tutorial notes step by step: After running hostapd with dnsmasq The AP gets advertised on the air, but ...
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1answer
247 views

Can't resolve hostname in sub-network

I have a raspberry pi (192.168.1.1) set up as an AP for a few devices. The WIFI connection works, DHCP also seems to give out valid addresses. The issue is that none of the devices in the network are ...
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40 views

Max. data-transfer-rate for RPi 3 over Wifi

Q1 What is the maximum data-tranfer-rate for the RPi 3B onboard wifi as access point? Q1.1 If it's > 72 Mb/s what does the config for hostapd.conf look like?
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86 views

Access website with port in access point

Here's my "starting position": I have a Raspberry Pi 3b+, which is already configured, and I wanted to convert it into an Access Point. I followed this tutorial: https://pimylifeup.com/...
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24 views

Pi access point brilliant (until another pi connects to it!)

just joined and have in interesting issue. I have a Pi3b+ hooked up to my router running hostapd, dnsmasq and openvpn running an airvpn config, it is solid as a rock. It has a static IP on wlan0 192....
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21 views

I cannot use wget or pip without encountering connection errors after following tutorial

I followed these access point instructions (lines of commands and file edits) tutorial, and now whenever I use wget or pip, connection errors are thrown. These were the instructions I followed: sudo ...
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2answers
38 views

Roboust Network connectivity

I want to run a headless (no monitor and keyboard) Pi 3a in the somewhat fluent environment (at home, in an Artist’s studio, on the attic of an cathedral). The Pi is controlling some Christmas ...
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22 views

What does the iptables related operation in step 11 and 7 of this tutorial do?

this tutorial: https://calap.co/blog/how-to-use-raspberry-pi-as-a-vpn-access-point--2018-10-27.html shows how to turn an raspberry pi into a VPN hotspot. I find the iptable configs at step 7 and 11 ...
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66 views

Would like to use wlan0 to autologon to a captive portal, then bridge to wlan1 as AP

Scenario is this: My office wifi AP uses a simple "press to agree button" captive portal. That works well for humans, but in this case my wifi client is an instrument that does not have any ...
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1answer
112 views

Configure back to normal wifi station after access point mode (hostapd)

I have set up access point according to the manual https://www.raspberrypi.org/documentation/configuration/wireless/access-point-routed.md on respberry pi 4b. It works fine. Now I need to disable AP ...
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2answers
6k views

Raspberry Pi 3b+ WiFi hotspot with hostapd Failed to start Advanced IEEE 802.11 AP and IEEE 802.1X/WPA/WPA2/EAP Authenticator

I have this: /etc/default/hostapd DAEMON_CONF="/etc/hostapd/hostapd.conf" /etc/hostapd/hostapd.conf interface=wlan0 driver=nl80211 ssid=HOTSPOT hw_mode=g channel=6 ieee80211n=1 wmm_enabled=...
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1answer
459 views

How to invoke the existing persistent p2p Go on restart of device (to create auto connect)

I am able to connect successfully with the android device with the following wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=root update_config=1 device_name=DIRECT-Pi ...
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2answers
600 views

Raspberry Pi as Access Point with hostapd crashes Pi whenever I try to connect

I followed this tutorial to setup my Raspberry Pi 3 B+ as a wireless access point. I have gotten to the point where the Pi broadcasts an SSID, but as soon as a client tries to connect to that SSID, my ...
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71 views

hostapd: Pi 3 built-in WiFi going up and down every second

I am using a Pi 3 Model B running Raspbian buster and kernel version 4.19.118-v7+. I have been trying to configure it to run as a WiFi repeater using the built-in WiFi (wlan0) which is configured to ...
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1answer
474 views

Pi 3 wifi access point

I want to create a dedicated wifi connection between my Raspberry Pi 3 and a windows 7 laptop. I thought the method here https://www.pi-point.co.uk/documentation/ would do the job. Managed to get ...
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1answer
40 views

raspberry pi connected to wifi but not responding

I am following this tutorial to convert my rpi 4 into an access point. I followed all the steps except installing node, Go and resizing the image. After entering the credentials to my wifi in the ...
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1answer
950 views

Setting up Raspberry Pi 4B as a routed access point

Setting up Raspberry Pi 4B as a routed access point Hi guys I want to set up my Raspberry Pi 4B as a routed access point. Many IoT-devices in the subnetwork 192.168.7.x should connect to my RasPi over ...
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2answers
2k views

Raspberry Pi w/Buster dynamic AP and Wi-fi client

I have managed to setup my Raspberry Pi Zero W to work in both AP and Client mode simultaneously using this great guide. Using wpa_cli -iwlan0 (no sudo), I am able to scan, connect and save networks ...
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162 views

Stop wifi beacon when idle

I have just bought a Raspberry Pi 4 and would like to use it as a wifi access point (for information, I will probably install Gentoo with hostapd in it). I would like this access point to be in “...
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2answers
85 views

Creating an AP with hostapd and a Wi-Fi backend

The problem: I am trying to create an AP on a Raspberry Pi 3B (want to later try on a Zero W, too) running buster. I also want to have Internet connectivity to the Pi using my Wi-Fi. I have studied ...
2
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1answer
9k views

Can't start hostAPD. Job for hostapd.service failed because the control process exited with error code

Problem I am using raspberry 3B. I want to make it as a wireless router. I added TP-Link TL-WN725N as an extra wireless device which uses wlan1 as interface name. The device works flawlessly as a ...
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3answers
3k views

Rpi4 with Buster wpa_supplicant fails to connect to hostapd network hosted on Ubuntu laptop

I am attempting to connect a Rpi4 to an AP running on my laptop, but it won't connect. I don't see any obvious problems (to me) in wpa_supplicant or other config files. I have run wpa_supplicant in ...
3
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1answer
342 views

Hosted based wifi hotspot works, but BSSID keeps changing - rPi 4, Raspian

Admittedly, I'm torn between posting this in SuperUser or ServerFault, so opinions of where this should go are welcome. I have a hotspot set up on my Raspberry Pi 4, running Raspian. I used hostapd ...
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1answer
37 views

How to disable standalone network configuration in raspberry pi?

I have set my raspberry pi as a standalone network using this post. Now I want to get back to my previous normal network configuration so that I can connect to the available Wifi networks. How can I ...
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1answer
250 views

Raspberry Pi as both AP and Client, with SSH support? (Two adapters)

Today I set up my Raspberry Pi with dnsmasq and hostapd so it's built-in wireless interface would always be used as an access point (AP), so I could connect to it with my phone and SSH/VNC into it ...
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32 views

Cannot manage wlan0 from desktop

Good day all Pi folks! I have a Pi 3A (buster) which has the onboard Wifi (wlan1) configured as an access point. I installed a second Wifi USB TL-WN725N which comes up as wlan0 and is the outside nat'...
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1answer
4k views

hostapd problems while setting up Pi 4 as Access Point

First of all i want to say that i'm new to all of this, so please dont hate me if the answer to my problem seemed obvious to you. I just tried to follow this tutorial to set up my Pi 4 as an Access ...
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1answer
178 views

System crashes when a USB device is plugged in or a web browser is opened

I recently turned my pi into a standalone network following this guide: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md But now when I open a web browser, or plug in a ...
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1answer
206 views

USB external antenna not working

I have been experimenting with GPIO control from a local hosted web sever on the raspi 3B+, Unfortunately the range from the built-in antennae is less than adequate for my needs. So I hopped on to ...
1
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1answer
137 views

Does RaspAP lock the file system?

Quick question to help stop me from losing my mind. Does the standard install of RaspAP lock the file system to stop you from installing other services? Step 1. RaspAP installed and working fine. ...
3
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2answers
1k views

hostapd AP over both wlan0 and eth1

My hardware setup is currently: Router -> RPi (eth0) -> RPi (wlan0) -> subnet for my devices My desired setup is: Router -> RPi (eth0) -> RPi (wlan0 + eth1) -> subnet for my ...
3
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0answers
2k views

Use MAC address acls with hostapd

I am using hostapd to turn my pi into a wireless access point, I want to implement a blacklist to block certain device from connecting to the network. I should be able to do this at a MAC address ...
2
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2answers
1k views

WiFi network disappeared?

I set up my RasPi 4 as a WiFi Access Point according to this guide, and it worked - I could see the SSID in the list of networks, and join the WiFi network, and connect using ssh, but only for a brief,...

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