No IP address for a successful connection on LTE modem

[Garfield Watkins]

> Did you connect the modem using NetworkManager (e.g. using nmcli) or
> did you connect the modem using mmcli?
I see where you are going with this. It seems I expected more of the 
interaction between the ModemManager and Network Manager . To answer 
your question, no I have only used mmcli. Let me try the process with nmcli.


On 2/13/24 14:43, Aleksander Morgado wrote:
> Hey,
>
> On Tue, Feb 13, 2024 at 1:18 PM Garfield Watkins
> <garfield.watkins at gmail.com>  wrote:
>> Bearer 0 is the initial default bearer.
>>
>> Bearer 1 is the connected bearer
>>
>> Output from  mmcli -b 1 is:
>>
>>   ---------------------------------
>>   General            |        path: /org/freedesktop/ModemManager1/Bearer/1
>>                      |        type: default
>>   ---------------------------------
>>   Status             |   connected: yes
>>                      |   suspended: no
>>                      | multiplexed: no
>>                      |   interface: enp0s20f0u2
>>                      |  ip timeout: 20
>>                      |  profile id: 1
>>   ---------------------------------
>>   Properties         |         apn: internet
>>                      |     roaming: allowed
>>                      |     ip type: ipv4
>>   ---------------------------------
>>   IPv4 configuration |      method: dhcp
>>                      |      prefix: 0
>>   ---------------------------------
>>   Statistics         |  start date: 2024-02-13T12:08:31Z
>>                      |    attempts: 1
>>
>> Please note ModemManager is not responsible for running the DHCP
>> client in the net interface, so if your plugin is reporting "dhcp" IP
>> method in the connected bearer settings (in your get_ip_config_3gpp()
>> method), then whoever is the network management layer on top of
>> ModemManager would be the one in charge of running DHCP client.
>>
>> I have NetworkManager running. I was under the assumption that it would automatically run its dhcp client on the interface. It seems to do this when I manually issue AT+CGACT=1,1. Its only when running under ModemManager that nothing seems to happen, in fact I have tried to run dhclient enp0s20f0u2 and only then do i get an ip address.
>>
> Did you connect the modem using NetworkManager (e.g. using nmcli) or
> did you connect the modem using mmcli?
>
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