Buffalo DD-WRT router. Access MRTG logs display.

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dbhosttexas

dbhosttexas

Honorable
Jan 15, 2013
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Okay I admit it, I am new to DD-WRT, and MRTG, but there is data in there I want... Specifically my WAN I/O stats. I have figured out how to access the data as it takes place. What I am looking for is a way to view say stats from midnight on date A to midnight on date B everything inclusive. Or say filtered to a specific MAC address... Can anyone point me to some good docs to read, and what tools I should be looking at to get at and view this data?

***UPDATE*** after doing some digging. It appears MRTG may only provide the data I am looking for as a view to a live stream of data via SNMP... That's fine, but what I want to know then is what do I need to set up to actually monitor what is talking through the WAN link over time?
 
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MRTG is kinda old. A newer free tool is zabbix. Both are dependent on a server that polls and collects the data. These all use SNMP and the challenge with SNMP is finding the correct mibs. All vendors do not document real well. DD-WRT you may have to dig though there site for a while.

This will get you things like utilization, byte counts, maybe session counts...all depends what mibs they have done.

It will not get you anything related to the actual traffic like IP or mac addresses.

That you need a different tool. What you need is called netflow. This keeps track of every open session and sends summaries to a server. There are a number of these but they tend to be a pain to configure. I would try the commercial product...
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bill001g

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Aug 9, 2012
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MRTG is kinda old. A newer free tool is zabbix. Both are dependent on a server that polls and collects the data. These all use SNMP and the challenge with SNMP is finding the correct mibs. All vendors do not document real well. DD-WRT you may have to dig though there site for a while.

This will get you things like utilization, byte counts, maybe session counts...all depends what mibs they have done.

It will not get you anything related to the actual traffic like IP or mac addresses.

That you need a different tool. What you need is called netflow. This keeps track of every open session and sends summaries to a server. There are a number of these but they tend to be a pain to configure. I would try the commercial product PRTG. It has a trial mode that limits the number of devices but it not like that is a issue in most peoples house. This tool can also do many of the SNMP polling function which you may still need since some MIBS are not traffic related....like temperature of the box.
 
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