Re: info request

Also if you use pfSense (which I have been using at all my client shops since 2014 … although we are not using it [right now] at the office) you can do a similar thing to what o1bigtenor is suggesting. 

There are a few tools out there that can help with the process but it all begins with where/what is doing the collection of data.

> On Feb 10, 2020, at 7:40 AM, Andrew Lunn <[email protected]> wrote:
> 
> On Mon, Feb 10, 2020 at 06:48:21AM -0600, o1bigtenor 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).
> 
> OpenWRT?
> 
> If so, just install tcpdump. You probably don't have disk space to
> save an unfiltered capture file on your router, so from your Linux
> desktop, use something like script(1) to log the console, ssh into the
> router, and run tcpdump on the WAN port.
> 
> You can then look at the log, and maybe narrow down the
> source/destination, or protocol. Run tcpdump with a filter and capture
> the frames into a pcap file. If you are worried about disk space, look
> at the -c and -C options. Copy the capture off the router and use
> wireshark to look at the traffic in more detail.
> 
> 	  Andrew
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