FCC authentication with QMI over MBIM; try 1

Stefan Armbruster ml001 at armbruster-it.de
Mon Jun 13 10:59:58 UTC 2016

Hi Andreas,

just to be sure we're suffering the same thing: have you had a working
connection as well or do you always just solely outgoing packets?

For me it seems to be related to signal quality: in case of good
quality I do get packets in both directions in case of poor signal
strength it's only outgoing.


2016-06-13 12:50 GMT+02:00 Andreas Fett <andreas.fett at secunet.com>:
> Hi Stefan,
> On 13/06/16 11:44, Stefan Armbruster wrote:
>> @Andreas: Can you check if you're seeing only outgoing packets on the
>> device as well using tcpdump? That's what I'm getting here in case I
>> do have weak signal.
> Yes, that's what I'm seeing. Although the Signal quality as reported by
> ModemManager is not exceptionally bad (~30%).
> Andreas
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