Martin Chaplet <m.chaplet@kerlink.fr> writes:+# Sierra MC73xx (wwan0 is buggy,I suspect this is a raw-ip vs 802.3 issue. For example: wwan0 might be configured for raw-ip if firmware autoconnect is enabled. You should be able to detect this with a QMI_WDA "Get Data Format" request. In general, both interfaces 8 and 10 are usable on these modems.