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For an application on my Raspberry Pi Zero W I need WIFI access. Developing at home worked great, but when I try to connect to any other WIFI network than my home WIFI I just cannot establish any internet connection.

Following several tutorials I did the initial configuration on the headless system via the wpa_supplicant.conf looking like this:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=DE

network={
    ssid="MYSSID"
    psk="MYPW"
   key_mgmt=WPA-PSK
}

I also set a static IP in my dhcpcd.conv via

interface wlan0
inform 192.168.0.100

When I now edit ssid and psk in the file to use some other WIFI the connection cannot be established. I test this via ping www.google.com which returns "temporary failure in name resolution". Switching back to the original WIFI credentials afterwards and the ping works fine again. I also tried adding the google-nameserver 8.8.8.8 and 8.8.8.4 to the /etc/resolv.conf without any impact.

FYI: /etc/os-release tells me "Raspbian GNU/Linux 10 (buster)" I tried "normal" routers as well as laptop or mobile hotspots. None work. I do not use any fancy network-software like pihole or anything alike just the plain default configuration. Does not matter weather i just reboot after wpa_supplicant change or use wpa_cli -i wlan0 reconfigure.

Any hints on what else to try?

Thanks and best regards.

Felix_N
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1 Answers1

0

To answer the question of connection to multiple networks just add multiple network={} stanzas. Mine has 12. You can also assign priority to each network.

See Networking Files in How to set up networking/WiFi

Milliways
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