All Cisco NetFlow

Cisco Zone-Based Firewall Reporting

Today, I will be talking about the Cisco Zone-Based Firewall, including their differences and advantages compared to a Cisco ASA. I will also walk...

Find Pokemon GO Network Traffic with NetFlow

Monitor Pokemon Go Network Traffic So there I am monitoring my network with NetFlow and a wild application appears! Pokemon GO hit the scene...

Configure Cisco ISE NetFlow

EDIT 5/30/18: There is a newer version of this article available. In order to configure Cisco ISE NetFlow, we’re going to take advantage of...

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 UCS NetFlow Support

Cisco UCS Netflow Support was recently added with the release of version 2.2(2c).  NetFlow exports can be configured either in the GUI or the...

Cisco Zone-Based Firewall Logging Support

We recently upgraded a few of our Cisco IOS routers to version 15.4(2)T and enabled zone-based firewall logging, which allowed us to export firewall...

Calculating NetFlow Volume

Often these days, we’re asked for a general rule of thumb or guidelines that can help with calculating NetFlow Volume.  How much disk space...

Cisco 7600 NetFlow Problems

The cutting edge Cisco 7600 Series is an edge router that delivers robust, high performance IP/MPLS features for service provider and enterprise WAN/MAN applications....

PfSense NetFlow Export

Today I will show you how to configure PfSense NetFlow export on one of the more popular open source firewalls. It is a great...

NetFlow Observation Point: octetDeltaCount

Let’s talk about NetFlow observation point in Cisco NetFlow capable devices, particularly the octetDeltaCount collection. Ingress and egress Netflow  are probably notions we are...