E1750 Reloaded - QMI - STATIC - DHCP - IPv4

[Dan Williams]

On Tue, 2014-08-05 at 01:06 +0200, poma wrote:
> On 04.08.2014 14:38, Aleksander Morgado wrote:
> 
> > 
> > Well, DHCP involves 1 additional extra step in the IP configuration
> > setup of these modems, so we wanted to get rid of it as we can already
> > read the IP configuration to set directly from the modem. The thing to
> > understand now is what we get with DHCP that we don't get with static
> > IP config.
> > 
> 
> One step forward, two steps back? :)
> Via the "MM_BEARER_IP_METHOD_STATIC" connection cannot be established.
> 
> Via the "MM_BEARER_IP_METHOD_DHCP" connection is very much possible, even without nmcli, 
> e.g.
> # mmcli -m 0 --simple-connect="apn=<APN>,user=<USER>,password=<PASSWD>"
> # dhclient wwan0
> And that's it!
> 
> Maybe the "MM_BEARER_IP_METHOD_STATIC" we could call the "MM_BEARER_IP_METHOD_CANNOT". :)
> 
> http://cgit.freedesktop.org/ModemManager/ModemManager/tree/src/mm-bearer-mbim.c#n349
> Besides, unlike the 'mm-bearer-qmi.c', the 'mm-bearer-mbim.c' didn't lose the "MM_BEARER_IP_METHOD_DHCP".
> Yet. :)

Can we get a debug trace from ModemManager (eg, --debug) that shows the
reply to the IP request message?  I'm really curious what the reply
messages look like.

Dan