Recently I’ve had many requests from customers who upgraded to the Catalyst 9500 series and are looking for a NetFlow configuration document. So I’ve put together this guide for configuring FNF (Flexible NetFlow).
With the ever-growing support for flow exports, the need for probes and port mirroring has become a lot more limited. There are certain environments where it’s a requirement, however, and physically impossible to position a probe near a device that we want to port mirror from. In these situations, it’s important for the probe to …
Configuring an ERSPAN within VMware and Cisco Switches Read More »
Most companies have a VPN set up to allow users remote access to the company network, but that leaves a blind spot on the network—until now.
Cisco Nexus 9000 NetFlow Configuration Recently I’ve received numerous request for a sample on the Cisco Nexus 9000 NetFlow configuration. This device has a slightly different approach to configuring NetFlow. What we’re used to seeing from Cisco is a 4-step process of defining your NetFlow record, defining your NetFlow exporter, creating your monitor and applying …
My engineering contact at Cisco told me that Flexible NetFlow Performance Monitoring is now available on several of the Cisco Catalyst switches. It’s supported on the SUP2T and a host of other devices like 3750-X and 4500E.
Cisco Performance Routing isn’t your grandfather’s routing. Cisco Performance routing (PfR for short) considers a particular path’s traffic characteristics when determining the best path for the conversation. Imagine being able to use actual delay, packet loss, MOS, jitter and more to give your router a better idea of the traffic conditions. With that data it can …
There are two Cisco ASA NetFlow configuration methods; you can setup NetFlow on the Cisco ASA from command line or you can setup NetFlow on ASA using the ASDM. If you have a Cisco ASA then it’s time to start exporting NetFlow to your favorite NetFlow and IPFIX traffic analysis tool, here’s how!
On my way to the airport tomorrow headed for London and CiscoLive 2012 to show off Scrutinizer v9 and our new video monitoring (e.g. Webex) traffic reporting. You will find updates on the plixer facebook wall. This new version brings several new NetFlow reports: