Last week I was working with a customer who needed help with a Cisco NGA Configuration (NetFlow Generation Appliance). The customer was running the Cisco NGA 3140 (NGA3140-K9) model and had questions with how to setup version 5 versus version 9 NetFlow. In this blog I will take a look at steps needed to setup the Cisco NGA flows!
Category: Flexible NetFlow
Cisco 6500 Flexible NetFlow Record Configuration
Last week, on a call with a customer, I had the pleasure of learning more about the Cisco 6500 Flexible NetFlow record configuration. And today I will share that information with you.
Nexus 7000 and Missed Flow Sequence Numbers
I would like to talk about the Nexus 7000 and missed flow sequence numbers. Advanced NetFlow collectors keep track of the flow sequence numbers to monitor NetFlow packets that are being dropped by the network, by a NetFlow exporter or by the collector itself. Is this feature important? Yes, to ensure accuracy in your NetFlow Reporting. Why should a NetFlow monitoring application have this capability? The answer is, RELIABILITY and ACCOUNTABILITY. Read more
How to Configure Cisco 6500 Sup2T NetFlow
In this blog I will be discussing how to configure Cisco 6500 Sup2T NetFlow. The Cisco 6500 Supervisor Engine 2T exports Flexible NetFlow, so your old Cisco 6509 NetFlow configuration will no longer be compatible with this setup.
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Cisco 6509 NetFlow Problems
Cisco 6509 NetFlow problems and recent improvements will be the main focus in this blog. Since the reporting accuracy of your NetFlow or Flexible NetFlow Analyzer could also depend on the quality of the exported data, hopefully discussing some of the major NetFlow problems with 6500 series will help us better understand how exactly reporting on these switches works. I will also take this opportunity to highlight improvements made in the sup 2T. Read more