The SonicWall security appliance provides the ability to send IPFix and NetFlow data to an external collector, like Paessler PRTG Network Monitor. This will let you see network usage, source and destination IP and ports, etc.
NOTE: only IPFix can be enable at this time, IPFix with extensions are not supported by PRTG.
Resolution for SonicOS 6.5
This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.
PRTG Configuration After you added the device, Add a sensor:
Under "Technology Used", select "Netflow, sFlow, jFlow" then select "IPFIX (Custom)" sensor from the "Matching Sensor Types" list.
Set "Receive IPFIX Packets on UDP Port", default port is 2055