Recently I came across the requirement to monitor traffic for a few devices behind Ubiquiti EdgeRouters, so I put together the following method which is described here for future reference. I am using iptables to collect byte counts and poll this data through SSH from a monitoring server. The collected data gets saved in a round robin database and output as a graph using Tobias Oetiker’s geat RRDtool.
Traffic Accounting using iptables and rrdtool
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