E392 connectivity issue with QMI

david preetham preetham.david at gmail.com
Tue Sep 9 09:19:24 PDT 2014


Hi Bjorn,

> Fascinating.  Thanks for sharing.  Makes you wonder why...
>
> Note that it doesn't look like they have tried to define any valid QMI
> subsystem, as there are no TLVs in that message - only the raw AT
> commands. And the 0 message id is also a bit unusual.

Yes its continuous message there is no valid TLV. And also message id is 0

I worked for huawei e1732 dongle which i am able to connect using QMI CAT
service for sending at^ndisdup on network interface in Ubuntu system and
also able to acquire IP address. Same research I have done from windows.

> Maybe the Windows mode use raw IP?  Or maybe it doesn't support DHCP?
> Taking  a look at a few IP packets in Windows should tell..

If it is handling raw IP how can we achieve in Ubuntu?

But huawei e1732 is similar dongle the out put also same I have check using
USB analyzers in windows.

I will run wireshark and check.

Using qmi cat service I quired at^dhcp? What ever output, is similar to IP
address, net mask and default gateway addresses of windows ipconfig output
for network interface is coming.

Thanks
David
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