[kwlug-disc] Bandwidth monitoring for individual computers in a home network

unsolicited unsolicited at swiz.ca
Sun May 30 21:55:01 EDT 2010


Nice page.

Couple of thoughts:

- it can be tough to remember that data collection, data monitoring, 
and data display, need not all be on the same device. So, it might not 
be necessary to depend upon little ol' OpenWRT, with limited 
horsepower and memory, to do it all. It may perhaps be useful to use 
OpenWRT as a point of collection, and perhaps monitoring, and let 
another computer do the heavy lifting. Assuming, for example, that you 
want to clamp down an ip overusing the bandwidth, vs. an ip having 
reached it's limit for the month. (The former is merely monitoring, 
the latter assumes data collection and summation to make the 'drop the 
gate' decision.)

- if I read your text correctly, for the Gargoyle to be effective it 
must be your gateway. Many would be reluctant to do so (it it ain't 
broke ...) Mind you, if you're considering OpenWRT anyway, as your 
gateway, you're already there. Or if you already know your in the 
midst of a problem anyways. OTOH - you can't control traffic that 
you're not in the midst of.

I wonder ... could you just vlan the kids off and rate limit them full 
time, leaving the rest for you? I guess, depends upon the consequences 
when they figure that out? (-:

Khalid Baheyeldin wrote, On 05/30/2010 8:40 PM:
> One of the reasons I was looking for a flashable Linux based router
> was to monitor bandwidth in a home network and trace the usage to
> individual computers.
> 
> While I have not implemented any specific solution yet, mostly due
> to lack of time to tinker, I gathered some information here for my
> own reference in the future.
> 
> The Gargoyle Router, which is a variant of OpenWRT, seems to be
> exactly what I need: bandwidth monitoring and quality of service
> (throttling). I looked at the code and it seems to be iptables
> based, so could be applicable to any Linux based router.
> 
> So here are the relevant links
> 
> http://baheyeldin.com/bandwidth/monitoring-bandwidth-usage-individual-computers-home-network.html
> 
> 
> 
> ------------------------------------------------------------------------
> 
> 
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