I've noticed that -- even with a DHCP setting for the LTE carrier, MM shows
"static" as a protocol. I haven't tried the force_link, though, I'll give that
a try. I know it won't work in "Registered", but maybe it'll keep it from
dropping less often? I'll try it out and report back.
From: Nick <mips...@icloud.com>
To: Aleksander Morgado <aleksan...@aleksander.es>
Cc: Peter Krause <pe...@uringme.com>; ModemManager
<modemmanager-devel@lists.freedesktop.org>; Russ Westrem
<lspwaterproof...@gmail.com>
Sent: Wednesday, December 19, 2018 5:49 PM
Subject: Re: OpenWRT Sierra EM7455 drops connection while driving
Hey,
By default (at least for me) ModemManager uses proto static to set up the
network interface. Linksensing is disabled by default for static protocols as
far as netifd is concerned, but you an override this by setting option
force_link ‘0’ on the modemmanager interface. When this is set the connection
will be brought back to life when reconnection of the modem occurs.
I have not tested this while driving, but it does work in a static location
whereas before it would not recover after such an event, (e.g. disconnecting
the antennas). Test it out and let us know.
Best,
Nicholas
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