[olug] Home bandwidth monitoring

Lou Duchez lou at paprikash.com
Wed Feb 14 09:39:09 CST 2018

I use a Fedora server as my router, and I wrote a Perl script ages ago 
that checks the connection tracking table every second and spits out 
stats of which IPs are sending traffic to where.  It's crude and I 
question its fine-grained accuracy, but it gives me a fair sense of what 
traffic is happening.

> I'm looking to setup a home network bandwidth monitoring system at home and
> wanted to see what others might have done.
> Optimally I want to see on a per-device level so I can track down
> unexpected usage, but even tracking on a per-destination (YouTube, Netflix,
> Amazon Video) and/or per protocol (http/https, BitTorrent, IRC) would be
> helpful.
> If I can get by with using a RPi with a network TAP I'd go that route, but
> I'm also open to reflashing my TP-Link Archer C9 router (nice one BTW) with
> something else if that helps.
> Anyone gone down this route recently?
> Dan

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