On Mon, Jan 6, 2014 at 5:51 PM, JJ <jareli.1234...@gmail.com> wrote:
>
>
> maanantai, 6. tammikuuta 2014 14.19.59 UTC+2 Dieter Wirz kirjoitti:
>>
>> Did you test, if your BBB is still connected to the www while he is
>> not accessible? eg with a cronjob, something like:
>> * * * * * ping -c 1 google.com >> /some_path_to/ping.log
>
>
> Works fine with 1 minute interval, no errors.
> The ping crontab works as the dynamic dns updater, since I am able to ping
> and ssh my BBB after the crontab excecution. With 1 minute interval, there
> are no connection problems at all.
>
> This ping crontab may be a temporary solution to the problem, but something
> is wrong blatantly.
> Here's a summary: if BBB has been connected to somewhere just a moment ago,
> I can connect to it. But when BBB's internet connection has been idle for a
> few minutes, it won't respond my requests until next dns/ping crontab
> execution.

Weird....

..ooOO IIRC Arch and Debian have conman as default network connection
manager.  But in a setup you have IMHO conman is *not* the ultimate
solution (conman may be great for laptops, etc). Did you have a look
at conman's log files? They tend to be *not* in /var/log depending on
your system.

I would try the following:
- Inactivate / Uninstall conman
- edit /etc/network/interfaces
- start the connections with "ifup eth0"

HTH
Dieter

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