ntopng VS Oxidized

and use software: https://www.ntop.org/

InfluxDB 2.0 Support (ntopng github)

For what it's worth, there used to be a package in many Linux repositories called "ntop" [1] but became less popular when they went commercial. There is still a community version but I have no idea how popular it is any more. It was quite popular prior to projects like PiHole. Perhaps the older ntop has fallen out of favor so maybe there won't be any confusion.

[1] - https://www.ntop.org/

Have you seen https://github.com/ntop/ntopng?

NTOP -- Traffic Analysis.

One of the comments suggests using a managed switch that supports port mirroring, and installing a Flow collector on the connected system. Google netflow collector for software options. Something like ntop may work. See... HowTo Monitor Traffic in SMEs and Home Networks: A Primer

What can I do to implement GeoIP support into ntopng? The instructions I found on the internet (e.g. https://github.com/ntop/ntopng/blob/dev/doc/README.geolocation.md) did not seem to fit the case.

after using expect and TCL heavily for years, I can firmly say they suck at scale.

Ruby https://github.com/ytti/oxidized/blob/master/lib/oxidized/mo...

Oxidized supports PFSense natively - https://github.com/ytti/oxidized/blob/master/lib/oxidized/model/pfsense.rb

Oxidized? https://github.com/ytti/oxidized

Or run a decent setup to keep backups, like this one: https://github.com/ytti/oxidized

Check out Oxidized

You didn't mention about brand of the switches, but majority of vendors is covered with Oxidized: https://github.com/ytti/oxidized Just configure it with git backend, and you have version control and device backups. Also, if you wish, there are bundled sone extra scripts that could report git changes via email.