Sensor Considerations
The sensor is the device or program that captures flow data from your network and forwards it to the collector. Flow sensors are perhaps the most difficult portion of a flow-based management system to implement, especially on a geographically large network. You don't want to drive across the continent just to install a flow sensor!
The good news is, you don't need to worry about making those road trips. In fact, you probably already have flow sensors installed that you just haven't configured yet. Do you have Internet border routers? Have them act as sensors. Got a high-end Cisco switch? Great, use that.
If you don't have hardware that can do the job, you can implement a flow sensor in software.
Location
If you have even a medium-sized ...
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