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Predictable Network Interface names issue


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i have 2 USB LTE modems (quectel ec25) and i most of the time i get "wwan0" (modem 0) and "wwan1" (modem 1) network interface names, but sometimes they switch to "wwan0" (modem 1) and "wwan1" (modem 0), sometimes i get "wwx*" interface name on one of them and "wwan1" on the other, this is very sad ;(. How can i get "wwx*" for both of them? modems are connected after the system is already started

 

im using latest jammy cli image on opi zero, the only thing i did is installed "modemmanager" and created 2 gsm connections in networkmanager

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Posted (edited)

in the end the only thing that works is connecting a second modem with a slight delay.

i also tried network manager gsm.* options for specifying operator-id or device-id for each gsm connection, but they just don't work: operator-id value is ignored (or any value is accepted), setting device-id makes an error (No suitable device found for this connection)

 

i still sometimes get "wwx02358c073be8" interface but whatever...

Edited by 0ka
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