ModemManager and pppd/NetworkManager integration

[Francesco Andrisani]

Hi,
thanks for you reply.
Unfortunately I can not use NM 1.0 and even compile. I tried to use the
commands that I've shared, but I get the following output:

# mmcli -m 0

/org/freedesktop/ModemManager1/Modem/0 (device id
'f85b28e50e46a2052dfefb8238550fd2cbc4b88b')
  -------------------------
  Hardware |   manufacturer: 'SIMCOM_Ltd'
           |          model: 'SIMCOM_SIM900'
           |       revision: 'Revision:1137B01SIM900M64_ST_ENHANCE'
           |      supported: 'gsm-umts'
           |        current: 'gsm-umts'
           |   equipment id: 'xxxxxxxxxxxxxxxx'
  -------------------------
  System   |         device:
'/sys/devices/platform/orion-ehci.0/usb1/1-1/1-1.1'
           |        drivers: 'ftdi_sio'
           |         plugin: 'Generic'
           |   primary port: 'ttyUSB3'
           |          ports: 'ttyUSB3 (at)'
  -------------------------
  Numbers  |           own : '350xxxxxxx'
  -------------------------
  Status   |           lock: 'none'
           | unlock retries: 'unknown'
           |          state: 'connected'
           |    power state: 'on'
           |    access tech: 'unknown'
           | signal quality: '75' (cached)
  -------------------------
  Modes    |      supported: 'allowed: any; preferred: none'
           |        current: 'allowed: any; preferred: none'
  -------------------------
  Bands    |      supported: 'unknown'
           |        current: 'unknown'
  -------------------------
  IP       |      supported: 'ipv4'
  -------------------------
  3GPP     |           imei: 'xxxxxxxxxxxxxx'
           |  enabled locks: 'none'
           |    operator id: '22201'
           |  operator name: 'I TIM'
           |   subscription: 'unknown'
           |   registration: 'roaming'
  -------------------------
  SIM      |           path: '/org/freedesktop/ModemManager1/SIM/0'

  -------------------------
  Bearers  |          paths: '/org/freedesktop/ModemManager1/Bearer/1'

root at mauNone:~/NM# mmcli -b 1
Bearer '/org/freedesktop/ModemManager1/Bearer/1'
  -------------------------
  Status             |   connected: 'yes'
                     |   suspended: 'no'
                     |   interface: 'ttyUSB3'
                     |  IP timeout: '20'
  -------------------------
  Properties         |         apn: 'foo.mycarrier.com'
                     |     roaming: 'allowed'
                     |     IP type: 'none'
                     |        user: 'none'
                     |    password: 'none'
                     |      number: 'none'
                     | Rm protocol: 'unknown'
  -------------------------
  IPv4 configuration |   method: 'ppp'
                     |  address: 'unknown'
                     |   prefix: '0'
                     |  gateway: 'unknown'
                     |      DNS: none
  -------------------------
  IPv6 configuration |   method: 'unknown'


....from here I can not go on
I don't understand when you say "*PPP: you'll need to launch pppd on the
specified TTY port.*".


Thanks and Best regards


On Thu, Mar 26, 2015 at 5:51 PM, Aleksander Morgado <
aleksander at aleksander.es> wrote:

> On Thu, Mar 26, 2015 at 5:17 PM, Francesco Andrisani
> <francesco.andrisani at acotel.com> wrote:
> > i've successfully compiled the latest version of Modem Manager for my
> linux
> > arm device. I work only from command line because i use an embedded linux
> > device with Debian Squeeze (6) installed on.
> >
> > I'm able to send command to ModemManager using mmcli interface.
> > I'm also able to launch modem connection using command:
> >
> > mmcli -m 0 --simple-connect="apn=foo.mycarrier.com"
> >
> > So my question is how can i do to create ppp interface and using modem
> for
> > internet navigation? On my device i've installed NetworkManager version
> > 0.8.1 and it work great with repository version of ModemManager (v.
> 0.4.1).
>
> Well, obvious thing you could do is to try NetworkManager 1.x for example.
>
> If that is not an option, then you should check the "bearer IP
> settings" generated when you launched the connection:
>
> 1) List bearers in modem:
> $ mmcli -m 0 --list-bearers
>
> 2) Assuming you have bearer 0:
> $ mmcli -b 0
>
> You'll see there the IP settings to use, which can be:
>  * PPP: you'll need to launch pppd on the specified TTY port.
>  * Static: you'll need to set the provided IP settings on the
> specified NET port.
>  * Dynamic: you'll need to launch a DHCP client on the specified NET port.
>
> Some time ago I started a simple connection manager script that would
> do that for you, but didn't advance much. I'd be very interested in
> seeing such a script :)
>
> --
> Aleksander
> https://aleksander.es
>



-- 
____________________________________________________
*Francesco Andrisani*
mailto:francesco.andrisani at acotel.com
*Acotel Spa*
http://www.acotel.com
Via della Valle dei Fontanili, 29
00168 Roma
Tel +390661141200
Fax +39066149936
____________________________________________________

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