Netflow record can't get octets (jnca)

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Retrieving Network Usage Information from NetFlow Version 9 Records

Netflow is a feature that was introduced on Cisco routers that give the ability to collect IP network traffic as it enters or exits an interface. By analyzing the data that is provided by Netflow a network administrator can determine things such as the source and destination of the traffic, class of service, and the cause of congestion. Netflow consists of three components: flow caching, Flow Collector, and Data Analyzer. In Netflow, router forwards details of network usage as UDP packets to a specified port of a destination.

Java NetFlow Collect-Analyzer

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