DHCP client and MC7304

[Aleksander Morgado]

On Mon, Apr 10, 2017 at 1:16 PM, Kasper Holtze <kasper at holtze.dk> wrote:
> I have an issue with my modems changing IP address, when the modem is
> travelling and shortly looses connection. After the connection is restored,
> the modem has a new IP address. But the wwan0 interface still has the "old"
> IP address, as it has not expired, and the modem has not been disconnected
> from the computer as such.
>
> I'm using udhcpc. Would it help to replace it with dhclient? Is the DHCP
> protocol / qmi_wwan able to handle this scenario at all? Are there any other
> options than to continuously comparing the IP address in the modem with the
> one at the interface, and forcing renew of the address if they do not match?

Did the modem get a "WDS disconnection" notification at any time? Are
you running qmicli commands, qmi-network, or ModemManager?

-- 
Aleksander
https://aleksander.es