All Flexible NetFlow

Cisco NGA Configuration Guide

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 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...

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...

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...

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 v9 Overview: NetFlow basics

Welcome to the first installment of our NetFlow v9 Overview, beginning (of course!) with NetFlow basics. What is NetFlow? A network flow is defined...

Top 13 Network Security Features

Our Network security solution is a leader in cutting edge NetFlow collection innovation; here are top 13 features you should know about: Chosen by Cisco...

Cisco Wireless NetFlow Support

Good news, with the 7.4 release, the Cisco Wireless LAN Controller will now start exporting Netflow v9 entries.  Together with the Cisco Application Visibility &...

NetFlow export over IPsec tunnel

Are you having trouble exporting encrypted NetFlow traffic over your IPsec tunnel?  When using a IPsec encrypted VPN, packets transferred are required to have the...

Packet Length Report using NetFlow / IPFIX

We figured out how to report on packet length with NetFlow.  All you have to do is enter “match ipv4 length total” in the...