Questions tagged [wifi]

Questions on the use of Wi-Fi (local area wireless computer networking technology). This tag is also used for generic "wlan" questions since they are commonly synonymous. Note shopping questions are off-topic.

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36 votes
3 answers
77k views

Access point as WiFi router/repeater, optional with bridge

I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi ...
Ingo's user avatar
  • 42.1k
20 votes
2 answers
30k views

Howto migrate from networking to systemd-networkd with dynamic failover

Systemd's systemd-networkd can be used to replace the existing networking system on Raspbian. How does it work with Raspbian on a Raspberry Pi with two interfaces for ethernet and wlan? Can I also ...
Ingo's user avatar
  • 42.1k
8 votes
1 answer
15k views

Access point as WiFi router/repeater with additional WiFi-dongle

There are some tutorials to make an access point a WiFi repeater using only the on-board WiFi chip of a Raspberry Pi. But I want to use an additional USB/WiFi dongle as second interface for the up-...
Ingo's user avatar
  • 42.1k
8 votes
1 answer
16k views

Raspberry Pi WiFi to Ethernet Bridge for a server?

I wanted to create a Wifi to Ethernet Bridge on my Raspberry Pi, similar to this one. The problem is: I want to conntect a Network Harddrive (WD MyCloud) to the ethernet side. The Harddrive seems to ...
Galevux's user avatar
  • 81
17 votes
2 answers
26k views

Workaround for a wifi bridge on a Raspberry Pi with proxy arp

I want to bridge the wifi interface with the ethernet interface on a Raspberry Pi so any device on the ethernet port becomes a member of the wifi network. Usually this is done by a bridge (OSI layer 2)...
Ingo's user avatar
  • 42.1k
9 votes
1 answer
15k views

How to correctly restart wpa_supplicant debug with networkd-systemd?

I am trying to debug setting up wifi with networkd-systemd managing wpa_supplicant. The overall objective is to get wifi AP and managed client modes working at the same time. I can get managed ...
dazz's user avatar
  • 175
158 votes
5 answers
371k views

How to setup multiple WiFi networks?

I go back and forth from home to school with my Pi. I just got the WiFi working last night at home using wpa.conf instead of wpa_supplicant.conf as the book I was using had the walk thru for that ...
Chef Flambe's user avatar
  • 1,823
3 votes
1 answer
15k views

Setting up Wifi direct (wifi p2p) and DHCP server

So I have a fresh pi zero w up and running raspbian stretch lite. How can I enable Wifi direct/p2p where the Pi is GO and where it has a static ip i can connect to, and install/configure a DHCP ...
motash's user avatar
  • 181
201 votes
11 answers
332k views

Prepare SD card for Wifi on Headless Pi

I need to SSH my Pi over wifi but because it is a model A board (using a usb hub is not possible - ever) and I have no ethernet, i can't configure the Pi to connect to my secured wifi network. I want ...
11chubby11's user avatar
  • 4,784
35 votes
3 answers
109k views

Sharing the Pi's WiFi connection through the Ethernet port

I have a pi running the latest release of raspbian and it's connected to the Internet using a wireless USB dongle. What I would like to do, is to share the pi's wifi connection so that any computer ...
user avatar
41 votes
7 answers
122k views

Using Pi to stream all audio output from my pc to my stereo

My problem is quite simple but I have been unable to find a satisfying solution. Basically, I want my Raspberry Pi to be connected to my stereo and then play any audio output from my computer via ...
Jerome's user avatar
  • 511
197 votes
11 answers
468k views

Disable WiFi (wlan0) on Pi 3

Got a Pi 3 which will always use ethernet, so trying to figure out how to disable the WiFi such that it does not even turn on after a reboot. If I do an ifconfig I see the wlan0 device. I can do ...
Evan's user avatar
  • 2,072
17 votes
2 answers
26k views

Raspberry PI 3 MODEL B - Wireless Bridge to ethernet

I've seen a lot online for a solution to make raspberry Pi 3 into a wireless bridge. But many are old articles to suit the Pi 1 and 2. This is the last article I have seen, and tried: http://blog....
privateFunction's user avatar
7 votes
3 answers
8k views

Switch between wifi client and access point without reboot

I want my Raspberry Pi to be used as access point or as client connected to my internet router but not both together. So I want to switch between these two modes with one simple command without ...
Ingo's user avatar
  • 42.1k
6 votes
1 answer
11k views

How to setup an unprotected Ad Hoc (IBSS) Network and if possible with WPA encryption?

There are several tutorials out there to setup an Ad Hoc network, for example Ad Hoc setup in RPi 3. But how can I do this using systemd-networkd? And all what I've found is using unprotected ...
Ingo's user avatar
  • 42.1k
4 votes
1 answer
5k views

USB OTG Hub does not recognize devices at boot

I have an OTG hub like this sold for use by a reputable dealer for use with the Pi Zero. However, while it shows up in lsusb as an unidentified device with ID 214b:7000: Bus 001 Device 002: ID 214b:...
goldilocks's user avatar
  • 58.9k
59 votes
7 answers
59k views

Which model Raspberry Pi I am running?

Is there a way of determining whether the current Raspberry Pi is either a 2 Model B and 3 with Raspbian Jessie Lite 8.0? This is because I have a particular bootstrap.sh written in Bash where it ...
Shan-Desai's user avatar
  • 1,531
23 votes
3 answers
65k views

Make "iw wlan0 set power_save off" permanent

Q How can I make iw wlan0 set power_save off permanent for stretch? What's the proper way to do it? Edit I'm using an r-Pi 1 Mod. B with an Edimax wifi dongle and Raspian stretch.
participant's user avatar
2 votes
2 answers
4k views

Raspberry Pi to configure automatically as an Access Point OR WiFi client

There are many guides for setting up a Raspberry Pi as an Access Point, and even some which allow switching between Access Point and WiFi client. I wanted a setting which would work as a normal WiFi ...
Milliways's user avatar
  • 60k
46 votes
1 answer
104k views

"connect: Network is unreachable" on a working (connected) wlan0 interface

I finally managed to make wlan0 (an Edimax EW-7811Un USB WiFi dongle) connect to my router, but after an apt-get update I discovered that my Raspberry can't connect outside the local network. The ...
Błażej Michalik's user avatar
17 votes
6 answers
83k views

Enable monitor mode in RTL8188CUS realtek wifi USB dongle

I am trying to enable monitor mode in a RTL8188CUS dongle attached to a raspberryPI. This is the error I get when I try to change the mode: pi@raspberrypi ~ $ sudo iwconfig wlan0 mode monitor Error ...
zengr's user avatar
  • 515
6 votes
1 answer
25k views

Raspberry Pi Zero W as a WiFi repeater

I'm currently trying to setup my Raspberry Pi Zero W as a WiFi repeater, but the kicker is that I don't want to use another USB WiFi card. First of all, is this even possible, and if it is, what ...
Kieran Sonter's user avatar
2 votes
1 answer
6k views

RPI3 Raspbian Stretch regular connection on wlan0 AP on wlan1

I'm trying to make a very simple setup with my RPi. On the on-board standard wlan0 I want to connect to my home network normally, using a wpa_supplicant file this works very well. Now I'm having ...
Leo's user avatar
  • 123
1 vote
1 answer
996 views

How can I set my pi 3 up to be WiFi AND ethernet router simultaneously?

I want to use my Pi as a fully fledged wifi and ethernet router. I'll connect an external modem/phone with tethering to it and want to share that internet connection with all devices connected to the ...
Andreas Hartmann's user avatar
51 votes
2 answers
58k views

What's the difference between `wpa-roam` and `wpa-conf` in the /etc/network/interfaces file?

I posted a question previously on how to set up a static IP address on the rpi and eventually figured out, along with some others, that the answer was to change wpa-roam to wpa-conf when pointing to /...
3cheesewheel's user avatar
  • 2,167
16 votes
9 answers
45k views

How to enable Wi-Fi channel 12 on Raspberry Pi 3?

I need my RPi 3 to connect to a Wi-Fi network using channel 12, but I'm not able to get the built-in Wi-Fi adapter to use this channel. This is what I've done: $ sudo apt-get install wireless-regdb ...
perja's user avatar
  • 262
16 votes
3 answers
18k views

Can RPi4 run simultaneously on dual band (WiFi 2.4GHz / 5GHz)?

I read in the post that RPi 3 could not manage to operate on both bands simultaneously. Can RPi4 do that? We are planning to create mesh network with Rpi nodes. With single band operation, the ...
vanangamudi's user avatar
15 votes
2 answers
19k views

Enable monitoring mode for RTL8188CUS via USB on Raspbian

I am trying to enable monitoring mode for a USB wifi dongle with the RTL8188CUS chipset on a raspberry pi model b+ (or any raspberry pi for that matter). $ lsusb Bus 001 Device 005: ID 0bda:8176 ...
Matt M's user avatar
  • 331
10 votes
1 answer
18k views

Switch between AP and client mode

I am working on a RPi radio project, and I'd like to be able to switch between a "setup mode" where the RPi acts as a Wi-Fi access point, allowing the user to send his/her home Wi-Fi credentials via a ...
Zbam's user avatar
  • 103
9 votes
2 answers
60k views

How do I install the drivers for a WiFi dongle with the RealTek 8812AU chipset on Raspbian? [duplicate]

I have recently purchased an Edimax EW7811UTC AC WiFi adapter for use with my Raspberry Pi 3b running Raspbian Jessie with Pixel desktop. This WiFi dongle uses the rtl8812au chipset and the driver for ...
Zimano's user avatar
  • 469
7 votes
4 answers
20k views

How to disable Wi-Fi Dongle sleep mode

before voting this question down or closing it i know there are allready answers on this here but they do not work for me. I have a Raspberry B+ with wheezy lates version and a Usb WiFi Dongle : ...
Zion's user avatar
  • 321
2 votes
1 answer
4k views

How to make Raspberry Pi 4 as "WIFI" -> "Ethernet" adaptor without add any USB component?

Considering the following situation: There is a available WIFI source which is connect to Internet, and there is a desktop computer which is lack of WIFI adapter. Then a Raspberry Pi 4 is provided ...
Audra Jacot's user avatar
2 votes
3 answers
4k views

Raspberry Pi 3 Model B Access Point

I have followed the following tutorial to set up an wifi access point: https://frillip.com/using-your-raspberry-pi-3-as-a-wifi-access-point-with-hostapd/ https://gary-dalton.github.io/RaspberryPi-...
Nicholas's user avatar
1 vote
5 answers
2k views

IP address missing from router DCHP table

I've got a 3b+ which I have successfully attached to my WiFi and I can access internet etc fine. I want to set the IP to be static as I am running it headless. I went to my router to do this and it ...
Tim Gilchrist's user avatar
43 votes
3 answers
84k views

How to set WiFi network priority?

I understand that I can set up multiple WiFis by adding to /etc/wpa_supplicant/wpa_supplicant.conf (as prescribed in Setting WiFi Up Via The Command Line). Let's say I have two WiFis registered: ...
user2926577's user avatar
41 votes
8 answers
138k views

Does Pi3 Wi-Fi support 5 GHz and does it need an extra antenna?

I was wondering if the built-in Wi-Fi supports 5 GHz networks? Will it need an external antenna to be attached to work properly?
oleole's user avatar
  • 513
25 votes
9 answers
57k views

WiFi disconnects after period of time on Raspberry Pi, doesn't reconnect

I was finally able to get my Raspberry Pi connected to a hidden SSID network (WPA2 Personal) using the below settings (not using wpa_supplicant.conf). However, after a few hours it disconnects and ...
Micah's user avatar
  • 481
21 votes
4 answers
36k views

Does the BCM43438 WiFi chip in Raspberry Pi 3 support "monitor" mode

Does it support the monitor mode (known from aircrack-ng & co.)?
Marcel's user avatar
  • 313
20 votes
2 answers
46k views

Disable power on Wifi and Bluetooth interfaces during boot?

I have a Raspberry Pi 3 Model B Rev 1.2. I'd like to ensure Wifi and Bluetooth do not get powered on or draw current since the device is using wired Ethernet. According to dmesg, the device is ...
user avatar
8 votes
4 answers
30k views

Wifi works, ssh can connect, but cannot connect out to the internet, cannot ping internal machines

I have a strange configuration problem with Wifi. When I connect a ethernet cable to my router, network eth0 is configured and I can access all internet resources. However when I use a Wifi dongle, I ...
centic's user avatar
  • 181
6 votes
1 answer
29k views

Raspberry Pi 3 isn't finding WiFi Networks

I'm used to using RP2 with the WiFi dongles and I just picked up my RP3 which should work with the built in WiFi. However, upon running startx and trying to configure the WiFi, it merely states: ...
bladexeon's user avatar
  • 263
4 votes
4 answers
4k views

Is it possible to trigger 10 (or 100) Raspberries to take photos at the same time using WiFi?

Can a system consisting of 10x Raspberry Pi's, 10x RPi Camera Modules + WiFi dongles be reliably & consistently synchronized over WiFi to take photos at the same time? Or are radio triggers a ...
tiivik's user avatar
  • 41
3 votes
1 answer
2k views

Swapping between wifi client and access point?

This question is an extension of the information on this post. This question looks the same as this one but it is not. I am using systemd-networkd. I successfully followed the instructions in the ...
dazz's user avatar
  • 175
3 votes
3 answers
23k views

USB WiFi adapter being detected but no connection

I'm having trouble connecting to wifi. I have a fresh install of Raspbian, all packages are up to date. The wifi adapter (Belkin N300 Micro Wireless USB Adapter - model F7D2102) is being detected, ...
3cheesewheel's user avatar
  • 2,167
3 votes
2 answers
6k views

Run a script when wifi is connected to a particular wifi network?

My Raspberry pi is connected to my home wifi network. This wifi network have a captive portal and hence each time I need to sign in the captive portal to use the internet. Now I am trying to automate ...
mcv's user avatar
  • 73
2 votes
3 answers
6k views

Configuring 2 wifi interfaces, one DHCP and the other ad-hoc, in Stretch

I have a number of Pis running jessie, with 2 wifi interfaces. One of the interfaces (wlan1) connects to the local DHCP server, and the other (wlan0) connects to a local ad-hoc network. In jessie this ...
Dave Isaacs's user avatar
2 votes
1 answer
285 views

Can't get wifi working in non-gui environment

I'm having trouble getting wifi working on my new RPi2. It works fine when I run X and use wpa_gui, but it's not working on the console, even when using the configuration saved by wpa_gui. The main ...
MatthewD's user avatar
  • 123
2 votes
2 answers
4k views

Switching between AP and Client mode

I followed this tutorial to set up my RPi 3 as an Access Point. It works great and I am able to connect through it and I can also VNC to it directly from my phone when in my car (which was the main ...
Osprey's user avatar
  • 141
2 votes
2 answers
7k views

Error on sudo apt-get update

I'm getting the below error when updating raspian. I connect via SSH via putty on the fixed wlan0 ip. Now when i run sudo apt-get update i get errors like below. Err http://raspberrypi.collabora.com ...
Jorge Vidinha's user avatar
1 vote
1 answer
4k views

WiFi not working on fresh install

I have had my Raspberry Pi for a few years now and today I went to do a fresh reinstall of Raspbian. I downloaded v2.4.4 of NOOBs and used that to install Raspbian. Everything installs nicely except ...
Peepy's user avatar
  • 19

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