How to do mobile broadband from command line

[Eric Johnson]

Hi Aleksander,
Wow, that python script sounds awesome, if you have a chance to finish it.

I'm going to try to get pppd going, next.  Then Verizon and DHCP or static
IP I'm guessing.
Thank!
Eric


On Thu, Mar 13, 2014 at 4:31 PM, Aleksander Morgado <
aleksander at aleksander.es> wrote:

> Hey!
>
> On Thu, Mar 13, 2014 at 6:28 PM, Eric Johnson <eric at minutekey.com> wrote:
> > [eric at linux-vn1z ~]$ mmcli -b 0
> > Bearer '/org/freedesktop/ModemManager1/Bearer/0'
> >   -------------------------
> >   Status             |   connected: 'yes'
> >                      |   suspended: 'no'
> >                      |   interface: 'ttyUSB0'
> >                      |  IP timeout: '20'
> >   -------------------------
> >   Properties         |         apn: 'none'
> >                      |     roaming: 'allowed'
> >                      |     IP type: 'none'
> >                      |        user: 'none'
> >                      |    password: 'none'
> >                      |      number: '#777'
> >                      | Rm protocol: 'unknown'
> >   -------------------------
> >   IPv4 configuration |   method: 'ppp'
> >   -------------------------
> >   IPv6 configuration |   method: 'unknown'
> >
> > [eric at linux-vn1z ~]$ mmcli -m 0 --list-bearers
> >
> > Found 1 bearers:
> >
> >     /org/freedesktop/ModemManager1/Bearer/0
> >
> > [eric at linux-vn1z ~]$ wvdialconf
> > Editing `/etc/wvdial.conf'.
> >
> > Scanning your serial ports for a modem.
>
> Everything went ok until this point. So, mmcli lets you get the port
> in connected state; that's how far ModemManager goes. Still, there is
> another step that needs to be done, which is the IP setup in the data
> port (which would usually be done by e.g. NetworkManager). There
> currently are three main cases, and what you need to look at is the
> Bearer properties that you get when MM tells you you're connected
> (i.e. the "mmcli -b 0" output):
>
> Case 1) tty port
> If the bearer tells you to use a tty as data port and use PPP, you
> need to launch pppd on that tty, passing APN auth details among other
> things.
>
> Case 2) net port, dhcp
> If the bearer tells you to use a net port as data port and use DHCP,
> you need to bring the interface up and launch a DHCP client in that
> interface.
>
> Case 3) net port, static
> If the bearer tells you to use a net port as data port and 'static'
> config, it will also give you what IP address configuration (IP,
> netmask..) you need to configure in the net port. So you'll need to
> bring the interface up, and then setup those details in the interface.
>
> Interestingly, I was bored last Monday and started to write a python
> app (called it 'mm-online', I'm no good inventing new names) which
> will do exactly all that (just not using mmcli); it will use
> libmm-glib via GObject-introspection to call SimpleConnect() and then
> (this not yet done) prepare the connection following the steps I said
> earlier. This would allow a 'standalone' operation of ModemManager
> (i.e. without a higher level connection manager like NetworkManager).
>
>
> --
> Aleksander
> https://aleksander.es
>
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