Is this just a curiosity thing? or is there a concern that some devices are acting improperly? I know that many devices check for updates overnight -- and this is not limited to just application updates -- but includes some config file updates. Many ONT/cable modems/etc and even cell phones will periodically pull down a new config for things like routes/towers/limits/etc -- but these should be a relatively small 'spike'. In the case of these sorts of connections, your *best* case is that when you come back from airplane mode these updates are fetched quietly -- or in a worse case, not at all. I know that some older cell phones (one LG model did around 2008ish, at least, and I have reason to believe that the MVNO Republic Wireless does this currently) maintained a list of roaming/non-roaming cell towers and if you a) had roaming turned off, b) had the cell phone for more than a couple of years, and c) it had issues getting this list updated it would refuse to connect. It was unaware that Tower X1F003B was non-roaming, and would refuse to connect to it, even though you had good, strong signals. The solution with these devices is to manually force them to pull a new list down and suddenly they work MUCH better. This said I am not a cell phone technology expert, and I am just blindly repeating what I have been told by two different vendors regarding why I needed to force update the internal tower configs on multiple phones to get them to connect -- and now, when my wife's Republic Wireless phone acts up, the first thing I do is to pull the 'new towers list' and things start working again.... On Mon, Feb 10, 2020 at 6:49 AM o1bigtenor <o1bigtenor at gmail.com> wrote: > Greetings > > I have started monitoring, in a gross kind of way, my internet usage > starting by using the 24hr graph on my router software (opensource). > So I'm seeing traffic happening in the middle of the night that is > arriving to the mobile equipment, tablet and stupid phone. That > needless use of > bandwidth was curtailed by putting said items on airplane mode for > overnight. > > Now I am also seeing small spikes of incoming traffic about 3x every 2 > hours and I'd like to find out where that traffic is coming from and , > if I don't like who's doing the sending, to curtail it. If tried short > stints of using vnstat, nethogs and iftop but am not seeing anything > that I think will help me in my quest. > > Any suggestions from those that have done or are doing this? > > TIA > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list > -- Jeff Chapin President, CedarLug, retired President, UNIPC, "I'll get around to it" President, UNI Scuba Club Senator, NISG, retired -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20200210/6b5f609f/attachment-0001.htm>