To conclude our 7 part NetFlow v9 overview blog series, I will highlight our Advanced NetFlow Traffic Analyzer, showing off the innovative features we bring to Network Traffic Management and Traffic Analysis in these areas:

• Dashboard views
• Flow Reporting
• Network Security

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Joanne Ghidoni
Sr. Solutions Engineer

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In Part 5 of the NetFlow v9 overview series, I will be talking about NetFlow v9 Options Templates, following up on Scott’s installment, part 4, which addressed what a NetFlow Data Flowset is.

What is an Options template?

It is a special type of template record used to communicate the format of data related to the NetFlow process.

Combine the Options template with an Options data record to provide information about the NetFlow process itself.  For example, the options template can contain applications tables with application tags, names and descriptions; or interface index tables to provide interface descriptions via NetFlow.

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Joanne Ghidoni
Sr. Solutions Engineer

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Last week, Joanne started a series of blogs aimed at providing an overview of some NetFlow basics. I am going to continue this series and take a look at what can be found in the NetFlow Packet header.

Built by a device (for example, a router) with NetFlow services enabled, the NetFlow export packet is addressed to a NetFlow collector. The collector processes the packet and stores the information found in the IP flow records.

The NetFlow record format consists of a packet header followed by at least one or more template or data FlowSets.

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Scott Robertson
Sr. Solutions Engineer

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Most businesses want to take network traffic management to the next step and luckily the IT Gurus within these same companies are already familiar with NetFlow but, what about Flexible NetFlow?  In order to get deeper details on not just the volume of critical apps on the network but, also the performance of the applications, NetFlow has to be taken to the next level.  It is time to mix the export of Cisco NBAR with Performance Monitoring NetFlow or Medianet exports.

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Ryan

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Check out the most advanced Cisco NetFlow capabilities on April 17^th when we co-host a webcast with Cisco on Performance Routing (PfR) and network traffic management with Flexible NetFlow.

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Steve

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