raspbian_wifi
Raspbian - wifi configuration
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SBC: RaspberryPi B+
OS: Raspbian / kernel 3.12.22+
Country: The Netherlands
Output before, using wrong regulatory domain, channel 12 and 13 are missing:
# iwlist wlan0 channel
wlan0 11 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Current Frequency:2.462 GHz (Channel 11)
Install prerequisites
Install packages:
apt-get install crda
Modify regulatory domain
Edit
/etc/default/crda REGDOMAIN=NL
Reboot
Channels after reboot:
iwlist wlan0 channel# iwlist wlan0 channel
wlan0 13 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Current Frequency:2.462 GHz (Channel 11)
/etc/wpa_supplicant/wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
network={
ssid="<ssid>"
bssid=<bssid MAC if needed>
psk="<psk key>"
proto=RSN
key_mgmt=WPA-PSK
pairwise=CCMP
auth_alg=OPEN
}
/etc/network/interfacesauto lo
iface lo inet loopback
iface eth0 inet dhcp
allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp
Fixing WiFi dropout issues:
/etc/modprobe.d/8192cu.conf # Disable power saving
options 8192cu rtw_power_mgnt=0 rtw_enusbss=1 rtw_ips_mode=1
reboot
raspbian_wifi.txt · Last modified: 2021/10/09 15:14 (external edit)