How to issue an "ifup broadband" when this is logged

Russ Westrem lspwaterproofing at
Tue Feb 7 20:03:19 UTC 2017

Ping scripts which I'm not very fond of.  I dont want a ifup broadband
going for every time a low priority packet gets dropped.  Also it could
take almost 10 to 15 seconds before a connection is reestablished.  If i
can somehow just get the ifup broadband only when the following is logged
it could be instantaneous. [1035]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0:
state changed (connected -> registered)

On Feb 7, 2017 1:55 PM, "Aleksander Morgado" <aleksander at>

On Tue, Feb 7, 2017 at 5:02 PM, Russ Westrem <lspwaterproofing at>
> I asked this in someone else's e-mail but maybe i should have made my own
> here it is.
> My goal is to issue an ifup broadband in LEDE whenever this line is logged
> from modemmanager.
> [1035]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0:
> state changed (connected -> registered)
> My problem is when my band changes or i change cell towers or i drop the
> signal for a split second the modem will re-register with modemmanager
> a new public IP and the only way to bring it back is with an "ifup
> broadband"
> Does anyone know the most efficient way to issue ifup broadband when that
> log entry is logged?

How do the other 3g/4g support programs manage reconnections in
OpenWRT? Not sure I saw anything in the protocol handler
implementations I used as reference.

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