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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.

1
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1answer
92 views

Weird behaviour with Raspberry Pi Zero W regarding DHCP IP address and MAC address

I've tried to 'fix' the IP of my Raspberry Pi Zero W in the local network by creating a DHCP rule in the router: always allocate 192.168.0.109 to the MAC address of the Pi. I use a D-Link router and ...
0
votes
1answer
265 views

Enable Wi-Fi using config.txt

Is there any way I can enable Wi-Fi using config.txt? I have seen ways of disabling it but I cannot enable it from SD card.
6
votes
1answer
222 views

Is it possible to simultaneously use the dual band(2.4 Ghz and 5 Ghz) of Raspberry pi 3 B+ to create an AP?

Is it possible to simultaneously create a single AP on raspberry pi 3 b+ which uses both 2.4 Ghz and 5 Ghz bands so that users with low end devices can connect to the 2.4 Ghz band and users with ...
1
vote
0answers
121 views

hostapd.service not found

I am trying to make a Raspberry Pi 2 as a wifi access point in a standalone network. I followed this tutorial: https://docs.google.com/document/d/16hJS7fnPyKUwbvR33_nMku_b6XcYaBJXVpeCIMoJzcQ/pub At ...
0
votes
1answer
217 views

setting up a static ip address using wifi but cannot access internet

I'm trying to setup a static IP address on my WIFI that can access Internet. this my file /etc/dhcpcd.conf interface wlan0 static ip_address=192.168.1.200/24 static routers=192.168.1.1 static ...
0
votes
0answers
50 views

I need help trying to set up a media centre on my pi, I think I have an issue with my usb adapter

I have been trying to set up my Pi 2 as a portable media centre so it can stream to VLC on my iPhone on the go. I have been following this tutorial: https://www.raspberrypi.org/forums/viewtopic.php?t=...
4
votes
1answer
3k 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 ...
1
vote
1answer
24 views

Intercepting HTTP request to fool Android into thinking WiFi network has internet

I have a product on a Raspberry Pi, using Raspbian where people connect to their Pi using WiFi served from the Pi, and then access the software via the web browser on their device (smartphone, tablet, ...
0
votes
1answer
40 views

Error starting raspberry pi [closed]

I am a complete newbie to raspberry pi. I am running my pi on my windows laptop using WinSCP. My pi was working all fine and then there was some connection error so I tried to reconnect it. I am ...
0
votes
1answer
21 views

wifi - WiFi sometimes does not work

When I powered the Raspberry Pi 3B on (I use Gentoo), WiFi was working. After reboot, it stopped working, both ip link list and ifconfig commands do not list it (they do if WiFi is working). I am ...
0
votes
1answer
27 views

Put some config files in /boot/

I have a headless Rpi2/Raspbian that does nothing else than: connect to Wifi with this /etc/network/interfaces: auto lo iface lo inet loopback allow-hotplug wlan0 iface wlan0 inet dhcp wpa-ssid "...
0
votes
0answers
217 views

Wireless communication without internet

I am trying to make a project which consists of ultrasonic sensors connected to two Pis that would communicate wirelessly (without internet connection) to a third Pi that uses the inputs to control ...
1
vote
1answer
895 views

Unable to configure Raspberry pi 3 B+ as a 5Ghz AP using 802.11ac in India

I have been trying to configure my Raspberry pi 3 B+ as a 5Ghz access point but I'm unable to do so. Here is my hostapd country_code=IN ieee80211d=1 ieee80211h=1 interface=wlan0 driver=nl80211 ...
3
votes
1answer
377 views

Install raspi-config on Ubuntu 16.04 server [duplicate]

I download the Ubuntu Classic Server 16.04 - Raspberry Pi 3 from https://ubuntu-pi-flavour-maker.org/download/ and installed it on my RPi 3. Now I see that wlan0 is missing. I don't have /dev/video0 ...
0
votes
0answers
40 views

SSH connection dropped via Ethernet cable

I have two Pis that send data from remote sites via WiFi and needed their WiFi credentials changed. I connect via eth0 and access with ssh -X. Each time I successfully access ssh, the connection ...
0
votes
1answer
177 views

Is it possible to use Wifi and Bluetooth at the same time on a RPi 3B+?

I need to connect to WiFi and Bluetooth at the same time using an RPi 3B+. Is it possible or will one connection drop out or be very substandard while using the other?
0
votes
1answer
102 views

Sending data to and from raspberry pi 3 wirelessly using wifi / sim network data

I'm looking for advice regarding sending and receiving data between raspberri pi 3 and other devices assuming everything has internet connection. The data I'm looking to send doesn't have to be ...
0
votes
0answers
31 views

Wifi configurator GUI on boot

I am developing a system using RPi that is to be distributed to end-user's home with preloaded software. They will connect to a screen (monitor or tv) through HDMI. I cannt rely on ethernet being ...
1
vote
0answers
122 views

pi zero w + piCore without keyboard and monitor = cannot connect to wifi

I am new to raspberry pi, I would like to set up a tinycore os. I do not have a keyboard nor a monitor that I can connect through HDMI. So I'm trying to autoconnect to the wifi so that I can ssh. But ...
0
votes
0answers
60 views

Clients can't reconnect to wpa_supplicant AP after sleep

so i have setup a access point on my raspberry with wpa_supplicant, my device can connect, get a ip and have access to the eth0 internet connection of the PI. But every time my device wake from sleep ...
0
votes
0answers
43 views

Both local network and enterprise wifi connection on pi 3 running stretch

I am currently trying to build a monitor system with rpi, running stretch image, and a esp8266 nodemcu 1.0. I want to connect them using MQTT via a local network on a router. The Rpi is also connected ...
1
vote
3answers
837 views

Auto reconnect WiFi in case of changed channel (frequency)

I have a problem with RPi and WiFi channel changing. As I discovered these days - RPi determines channel only during boot procces. And this is an issue. If I log in to my AP (mikrotik) and change ...
0
votes
0answers
106 views

Raspicast kills network

My Project I've been trying to set up my raspberry pi 3 model B as a miracast device (as a chromecast alternative) and I have stumbled upon a strange problem. The symptoms Using my android device I ...
0
votes
1answer
133 views

PI and multiple IR emitters

just another N00b trying to approach the PI world! I would like to remotely control over wi-fi three identical set top boxes (sat receivers). I don't mind studying how to do it, but first I would ...
1
vote
2answers
752 views

How to get mac address of connected devices to a raspberry pi access point?

I have followed the guide here to make the raspberry pi a Wi-Fi access point. But how can I get MAC address of connected devices?
0
votes
0answers
194 views

Push username and password to web authentication service from Raspbian Stretch

I am trying to make several kiosks that will boot to a URL on startup. Right now my system can connect, and I manually login with the details. My issue is that the system logs off the wifi after ...
1
vote
1answer
485 views

How to find IP address of another side of a LAN cable? (RPi and Ubuntu are connected)

I have a raspberry PI 3B. When I connect it via LAN, the ifconfig on UBuntu does not show any IPv4 address (Just IPv6). What should I do to find the correct IP range of my RPi? (and then use nmap to ...
0
votes
1answer
242 views

How to get all near WIFI SSIDs in raspbian?

I know in Ubuntu we have nmcli dev wifi to see a list of near SSIDs. But this command seems not exist in raspbian. Is there an alternative way?
1
vote
2answers
2k views

Raspberry Pi 3 B+ no wireless interfaces found

I can connect to Wi-Fi when I use RPi 3B but when I boot the system with 3B+ it doesn't connect to Wi-Fi automatically and when I click on the top right to connect it to Wi-Fi, I see the error: no ...
0
votes
0answers
10 views

Apt-get via mobile hotspot while connected to LAN

Can someone make some suggestions. I have an RPi that I am using to demonstrate a web server at a secondary school. It does not have any permissions or any way of accessing the outside world through ...
0
votes
1answer
24 views

Cannot change network with USB WiFi interface

I have 2 RPi 3 Bs, each running Stretch and each with an EDIMax N150 USB device plugged in and no changes have been made to the default network configuration files. When the PIs are turned on, I can ...
0
votes
1answer
346 views

Ethernet prioritized over WiFi (raspbian stretch)

My setup is that I have two raspberry Pis connected directly via ethernet (enxb827eb9c0ecf), let's call them Pi 1 and Pi 2. Pi 1 is also connected wirelessly to my home router. I would like to be able ...
2
votes
1answer
382 views

Predictable Network Interface Names inconsistently applied in Stretch

I have a PI 3 B running Stretch, and I have enabled Predictable Network Interface Names, using raspi-config. However, the naming is not being consistently applied. The results of ifconfig are ...
1
vote
1answer
294 views

RPi Zero W Wifi Access Point created, cannot connect

Trying to setup a wifi hotspot (that doesn't require internet) on the RPi Zero W via SSH. I'm connected to the Pi via Wifi using the wpa_supplicant.conf to connect to an existing network. I'm unable ...
0
votes
1answer
49 views

Connect WiFi on non-WiFi RPi

Yes, I know that I can't connect to Internet using simple RPi Zero (non-WiFi), but are there methods to connect it to WiFi using ESP8266 modules like on Arduinos?
2
votes
2answers
418 views

How do I setup a Raspberry Pi zero w as a Wi-Fi client (internal Wi-Fi) and access point (USB adapter) simultaneously?

I followed the tutorial, Raspberry Pi Wireless Access Point, to set my Raspberry Pi Zero as an access point. I do have an additional USB adapter connected. The pi that I’m working on will be an on ...
1
vote
3answers
715 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 ...
2
votes
0answers
635 views

How to start/stop wpa_supplicant on default raspbian?

I configured wpa_supplicant so I have a wifi connection after boot up. Now I want to stop it for while and start it again. I tried: rpi ~$ sudo ifdown wlan0 ifdown: unknown interface wlan0 But wlan0 ...
1
vote
0answers
193 views

Pi 3 Wi-Fi access point, only fully working with some devices

I've configured an access point on my Pi 3, largely using this tutorial: https://blog.thewalr.us/2017/09/26/raspberry-pi-zero-w-simultaneous-ap-and-managed-mode-wifi/ So the Pi connects over wlan0 ...
1
vote
2answers
1k views

RPi 3 B+ will not connect to hidden Wifi

I have two devices, both are B+, one is a rev. 1.2 the other rev 1.3. I have configured one SD card and when used in the rev 1.2 it connects without issue to the hidden wifi network. However, when ...
0
votes
1answer
262 views

Unstable Wi-Fi after some time on Pi 3B

I have a few Pi's over here and all devices have the same issue: When connected to a Wi-Fi network te PI is starting to cause issues with either accessibility from outside (ping, ssh, etc.) and also ...
0
votes
1answer
30 views

Is it ok to have wlan0 and wlan1 with 1 usb card?

I just got a new router that supports 2.5 Ghz and 5 Ghz. I see my pi now has a wlan1 as well as wlan0. Looks like wlan0 is on the 2.5 Ghz band and wlan1 is on the 5 Ghz band. Both interfaces seem ...
0
votes
1answer
86 views

Raspberry Pi 3 Not Connecting to Network

I have changed the wpa_supplicant.conf file on my Raspberry Pi 3 (running Raspbian Lite) to the proper SSID and password of our WPA2 WiFi, and it shows the proper SSID when running iwconfig. However: ...
0
votes
3answers
52 views

Raspbery Pi Zero W weird delay after sitting idle for 10 minutes

I am SSHed into the Pi using PuTTY on a Windows computer. Everything works fine as expected but if I don't do anything on the Pi for roughly 5-10 minutes and then come back to it there is some weird ...
0
votes
1answer
29 views

Auto page load after wifi join

I have a Pi configured to create an Access Point when not on home router, Im trying to load a local webpage from my Pi when someone joins the open unsecured access point. I want to be able to ...
0
votes
4answers
496 views

Setting up wifi in raspberry pi 3 model B

I want to use wifi on my rasperry pi. I have a raspberry pi 3 model B. It is running on Raspbian OS. I am accessing it via ssh through putty from my laptop. I am using ethernet cable to do it. Now ...
1
vote
2answers
56 views

Raspberry Pi 3 states connected to the WiFi but not visible on access point (pi cannot be pinged either)

I have a Raspberry Pi 3 running raspbian-lite stretch(9.4) with updates installed. Sometimes when I have the following: Connected through serial (or via the on the lan IP address) ifconfig shows a ...
0
votes
1answer
2k views

Set a static IP address for wlan0 from /boot partition of Raspberry Pi on Raspbian Stretch Lite

I am using Raspbian Stretch Lite 2018-04-18. I currently have static IP working over wifi. I setup /etc/wpa_supplicant/wpa_supplicant.conf to connect to my wifi and setup /etc/dhcpcd.conf to use a ...
0
votes
0answers
85 views

Trying to make a Pi hotspot with a usb dongle, but can't see the network

I'm trying to set up a pi hotspot using this documentation: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md I'm trying to get it to broadcast the wifi through an alfa ...
1
vote
4answers
477 views

Connecting RPi to 2 different networks

I'm pretty new to Raspberry and I searched the net for a while now trying to find a good and simple answer to this question. Ok, so I have a network that is connected to the internet. I want to start ...