Re: Problem with 4G modem -- 'ip-config-unavailable'

[Dan Williams <dcbw redhat com>]

On Wed, 2013-02-27 at 14:41 +0100, Bjørn Mork wrote:
> Dan Williams <dcbw redhat com> writes:
>
> > On Tue, 2013-02-26 at 03:06 +0400, Andrew Boltachev wrote:
> > > ** Message: nm-ppp-plugin: (nm_phasechange): status 5 / phase
> > > 'establish'
> > > ** Message: nm-ppp-plugin: (nm_phasechange): status 11 / phase
> > > 'disconnect'
> > > Connection terminated. 
> >
> > That's the problem; from the logs I'm assuming that the ordering of the
> > statements is correct, and that these lines come before NetworkManager
> > starts the IPv4 timeout.  How long is the delay between the "Connection
> > terminated." line and the "Stage 4 of 5 (IPv4 Configure Timeout)
> > scheduled..." line?  We'll need to know that before we can figure out if
> > PPP is failing or if there's something wrong with nm-ppp-plugin sending
> > the information back to NM.
>
> I may be wrong, but I believe the E3276 doesn't support PPP.  At least
> not in the default (vendor supported) modes.  It requires using cdc_ncm
> for the data channel and AT^NDISDUP etc for connection management.

This NDISDUP-or-not-NDISDUP-or-maybe-DHCP-but-not-PPP thing is such a
mess...

Dan