ERROR: mbim message timeout - (using umbim on OpenWRT)

Aleksander Morgado aleksander at
Thu Mar 12 11:40:02 PDT 2015

On Thu, Mar 12, 2015 at 1:55 PM, Peter Gerten
<peter.gerten at> wrote:
>> The umbim package looks like a good start, but it is not nearly as
>> mature as libmbim yet. umbim is currently in a state where it probably
>> works on some specific modems, but it needs more work to generalize it
>> for any MBIM modem. Like using the modem specified buffer size.
> I will look into the buffer size issue. When I sometimes get "lucky" and
> actually do not get timeouts, the connection is established but I don't get
> an IP configuration. As the umbim scripts use a dhcp client which does not
> seem to work with many mbim modems.

Beware, think that Bjørn already commented this, but MBIM modems may
not support the DHCP based setup. This was at least the case for some
(IIIRC) Netgear devices. Retrieving IP settings via MBIM is the way to


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