Re: Non-GUI NM & Cell retries

[Dan Williams <dcbw redhat com>]

On Tue, 2016-09-13 at 15:53 -0600, matthew stanger wrote:
> Hi,
>
> I'm hoping one of the experts here can help answer these two
> questions I
> have.
>
> 1. Has anyone built NM without a GUI using Yocto, just nmcli?

While I haven't built NM with Yocto, we've certainly built it and run
it without any GUI and only with nmcli.

> 2. Does NM have any logic for cell connections when using something
> like
> ModemManager for major carrier requirements in the context of
> connection
> reties and back-offs.

NM does have some logic for retries in the connection properties, but
some of the backoff is hardcoded.  NM will try a connection 5 in fairly
quick succession, then back off 300s (5 minutes) and try again 5 times,
repeat.

If we want to fine-tune that behavior, what are the carrier
requirements?  Know that would give us an idea what variables we need
to consider.

Thanks,
Dan