All Questions
Tagged with linux wireless-networking
495
questions with no upvoted or accepted answers
10
votes
1
answer
10k
views
Raspberry Pi won't bring up wlanX interface - multiple wireless interfaces
Let me jump straight in.
I am using a raspberry pi 3 running latest version of raspbian (pixel) as a router/wifi hotspot
I have 3 wireless interfaces:
built in wifi interface (brcmfmac)
TP-Link ...
- 1,405
5
votes
0
answers
17k
views
USB Wireless Adapter recognized by `lsusb` but not by `ifconfig` on Linux
I am experiencing some issues with an Wireless Adapter. Long story short:
I have a USB Wireless Adapter: AWUS036ACH (chipset: RTL8812AU)
drivers are up to date: (i.e., apt-get install realtek-...
- 225
5
votes
0
answers
2k
views
Debian 7: "Failure of key exchange and association"
I'm installing Debian using the Live CD with GNOME and the non-free packages. The internet works just fine when using the live CD, but when you try to open the installer and select a network, it gives ...
- 53
5
votes
2
answers
3k
views
Default gateway disappears from routing table
I use NetworkManager (Arch Linux) on my laptop in order to connect to wireless networks. I use the official GNOME GUI. Everything works fine, but after half an hour or so the network is still ...
- 331
5
votes
3
answers
3k
views
Can't set-up Wifi Adhoc on my Raspberry Pi with an USB dongle
I am trying to set-up an access point (ad-hoc) for my Raspberry Pi. That means I'm trying to "share" the ethernet connection over Wi-Fi. I am doing this using my Ralink Technology, Corp. RT2501/RT2573 ...
- 51
4
votes
0
answers
3k
views
How to get my Linux Wi-Fi to reliably roam from AP to AP
I'm trying to get my Linux to reliably roam from AP to AP. Right now I'm using iwlwifi - iwd - NetworkManager combo to manage everything and apart from roaming everything works reasonably well and I'm ...
- 41
4
votes
0
answers
730
views
Kali Linux: Device won't switch Wi-Fi region
I have been using Linux for a while now, but I recently installed Linux on my old Windows laptop.
I live in Germany, which uses the WiFi channels 1-13.
However, iw phy only shows channels 1-11 to be ...
- 41
4
votes
1
answer
2k
views
why am I not seeing traffic using TCPDUMP while sniffing on wireless interface with the station in WDS mode
I've 2 wireless interfaces one has the type of AP and the other has the type monitor.
the AP is attached to a bridge br-lan.
When I run for example:
tcpdump port 5201 -s 0 -ni wlan0
TCPdump is not ...
- 73
4
votes
1
answer
2k
views
wicd does not automatically REconnect
I connect wirelessly to a router using wicd 1.7.2.4 on slackware 14. If I am not actively using the internet connection for some time then I lose the connection, but wicd does not automatically ...
- 790
4
votes
0
answers
809
views
Computer-to-Computer network between OS X and Linux
I want to make a connection point to point via wifi between Mac and Linux.
What I did was:
I have created Computer-To-Computer network in OS X
I have set manually an ip address for Mac, 10.0.0.1/255....
- 41
3
votes
0
answers
1k
views
Linux network manager getting two ip addresses instead of one
I have a problem that when I connect to network using NetworkManager in Linux (doesn't happen when using wpa_supplicant but I don't like it) it gets two IPv4 addresses that show up as for example 192....
- 96
3
votes
2
answers
5k
views
NetworkManager defined HotSpot, can't connect from Android phone
The initial situation is quite simple:
I create a hotspot in a Linux machine: nmcli dev wifi hotspot con-name "John" (see below for the complete script)
I show the password (and QR code) ...
- 737
3
votes
1
answer
8k
views
wpa_supplicant disconnects with reason=3 on connection
I am using a raspberry pi 4 to connect to my college network (so using WPA-Enterprise using PEAP) using wpa_supplicant
when I run the command,
sudo wpa_supplicant -c/etc/wpa_supplicant/wpa_supplicant....
- 31
3
votes
1
answer
963
views
Not able to apply changes for wireless driver in Ubuntu 20.04
I have been using ubuntu some older versions for a while . And few weeks back I installed ubuntu 20.04 in dual boot . And I have never faced this problem in the Wireless network to detect wifi.
I am ...
- 131
3
votes
0
answers
178
views
libnl takes time to see a disconnected client
I am working on an embedded device, with a custom OS (Yocto on iMX6).
The device use hostapd to create a WLAN.
I use libnl to list the connected WiFi clients, my code is based on iw to get the ...
- 131
3
votes
0
answers
3k
views
IPCP: timeout sending Config-Requests
We have a problem with part of our devices which are using ppp to connect to the internet using 3G modem in US. The issue seems really odd as only few of the devices have this problem but it is a ...
- 31
3
votes
1
answer
625
views
Linux not preferring ipv6 on dhcpv6 network
On my home network, I'm using a (Raspbian) Raspberry Pi as a wifi router with hostapd, isc-dhcp-server, radvd, pihole, and dnscrypt-proxy installed. I do not use dhcpcd, I use dhclient. As I only get ...
- 31
3
votes
1
answer
170
views
WLAN media streaming mode for Linux to stop ping spikes?
After hours of trying to fix my router ping spike problem I found a thread on Tom's Hardware. Last answers directed me to this Windows program called WLAN Optimizer:
http://www.martin-majowski.de/...
- 31
3
votes
0
answers
1k
views
Using iw to add a virtual wireless interface, getting the error “No such device (-19)”
I need to add a virtual wireless interface to my NXP embedded linux system using iw.
I have loaded Broadcom's driver and brought up wlan0. I can connect to networks with the wifi SDIO adapter just ...
- 31
3
votes
1
answer
1k
views
WiFi dropping with realtek card on Linux Mint
I'm on a fresh install of Linux Mint 17.2. Since I've installed I've noticed my WiFi connection drops but doesn't disconnect. The WiFi works fine on Windows. I'm unable to ping any server or load any ...
- 33
3
votes
0
answers
1k
views
How to automate running the dhclient for wwan0?
in Linux Mint 17 I have to run sudo dhclient every time I connect and disconnect to/from the Internet using a mobile broadband dongle, because otherwise the connection is declared active but when I ...
- 31
3
votes
0
answers
561
views
"GSM only" mode in modem settings in tomato router
I use Shibby tomato firmware in ASUS-N66U. I use the "3G modem" option in it for WAN. it was working fine till now with my SIM's 3G data plan.
I would like to use only 2G data from now, is there any ...
- 31
3
votes
1
answer
5k
views
Wireless card not being detected in backtrack 5
I just installed backtrack 5 and I am unable to detect my wireless card. iwconfig doesn't list my interface. I can see that the hardware is present in lspci -vnn (see below) but I can't get the ...
- 31
2
votes
0
answers
35
views
Forward (share) network to a bridged interface of 3 adapters
I have this network (network structure picture):
I need to configure the Kylin laptop to let other clients (PC, phones) access Internet. I have 3 USB ethernet adapter (enx000ec6c5afc1, ...
- 21
2
votes
0
answers
896
views
wpa_supplicant needs a manual reassociation every once in a while
I recently reinstalled a Debian 10 on my laptop. Before that, wireless connection to my home AP worked fine (no latency, no disconnection...).
But since the reinstallation, when my laptop is connected ...
- 21
2
votes
0
answers
735
views
Linux WiFi connection disconnected due to inactivity
Recently my WiFi connection keeps disconnected/connected like in a loop several times a day while i'm actively working.
I tried a lot of options:
Contacted support team for my router's brand. They ...
2
votes
0
answers
1k
views
Cannot create a WPA3 hotspot
OS: Ubuntu 20.04
Desktop: KDE
Whenever I try to initialize a hotspot with WPA3 security, I see the following error messages:
wpa_supplicant[1281]: Using interface wlp2s0 with hwaddr 7c:76:35:fa:61:35 ...
- 353
2
votes
1
answer
2k
views
CentOS not finding wifi adapter
I installed CentOS on a Lenovo yoga laptop a few days ago, but I cannot get the wifi to work. I've tried lots of things following suggestions from replies to several questions on different sites. ...
- 121
2
votes
0
answers
454
views
Bluetooth headset auto connect with PulseAudio
Lubuntu 18.04.4 on acer c720
PulseAudio does not do automatic switch to either of my bluetooth headsets when I switch them on.
My ~/.config/pulse/default.pa contains the lines
### Use hot-plugged ...
- 790
2
votes
1
answer
309
views
Wifi turns off automatically in Ubuntu 16.04 if speed goes above 150 Mbps
I have 5G internet connection. Speed is always between 200 - 300 Mbps. When I am downloading something and download speed goes above 150 Mbps, WiFi turn off. It doesn't even show available WiFis. ...
- 21