Huawei E8278: already online but failed NDISDUP

[Daniel Drake]

On Thu, May 26, 2016 at 9:51 AM, Dan Williams <dcbw at redhat.com> wrote:
> So with that in mind, the question is how to figure out that the device
> is capable of HiLink/ethernet mode and expose that somehow to
> connection managers.
>
> If you could run these commands on cdc-wdmX or whatever other serial
> port the device exposes, what are the results?
>
> AT^U2DIAG?
> AT^U2DIAG=?

socat - /dev/ttyUSB0
  AT^U2DIAG=?
  ERROR

  AT^U2DIAG?
  ERROR

socat - /dev/cdc-wdm0
  ^DSFLOWRPT:0000029B,00000000,00000000,0000000000000906,0000000000000E07,00000000,00000000
  ^DSFLOWRPT:0000029D,00000000,00000000,0000000000000906,0000000000000E07,00000000,00000000
  ^DSFLOWRPT:0000029F,00000000,00000000,0000000000000906,0000000000000E07,00000000,00000000
  ^RSSI: 13
  ^HCSQ: "WCDMA",39,34,55

I get a lot of messages here from the device but it doesn't seem  to
respond to any commands, not even AT.