Quectel RG255C, qmi_wwan_q and DHCP

Aleksander Morgado aleksandermj at chromium.org
Wed Jul 31 15:56:19 UTC 2024


Hey Thomas,

>
> I try to get the module RG255C up and running with the Quectel driver. It works so far. But only I don't get an IP via DHCP as usual. There is already experience with the SDX35-0 chipset. --wds-get-crrent-settings gives the correct IP as an answer. Best regards, Thomas

What DHCP client are you using?

If the network port is configured in raw-ip mode, i.e. without
Ethernet headers, not all DHCP clients are expected to work. E.g. I
think dhclient itself won't work with the net port in raw-ip mode.

Also, the DHCP step is not really necessary, as you see you can
already get the IP settings with the WDS Get Current Settings command,
you can apply those settings manually to the netdev to have the
connection up.

-- 
Aleksander


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