I was talking with our newly appointed Pre-Sales Support Specialist, Scott, the other day when we realized that we don’t have a NetFlow Glossary blog, so I wanted to take this opportunity to consolidate some resources and highlight some of the key NetFlow terminology that we find ourselves talking about on a daily basis.

NetFlow Terminology:

Bidirectional Flows
Flexible NetFlow
Ingress vs. Egress
Interface 0
ip-flow timeout active 1
IPFIX
ip route-cache flow vs. ip flow ingress
NBAR
NetFlow Collector and Analyzer
NetFlow Exporters
NetFlow Options Templates
NetFlow Probe
NetFlow Replicator
NetFlow v5 vs. v9
NSEL
sFlow

Read more »

Ever wonder what ports an application or process is using on the server?  Here is a useful trick that you can in turn use to setup application groups in your NetFlow collector.

If you want to find out what application is attached to a particular port on a server, you can run: netstat –nbt Read more »

Two Special Cause invitations, two invites to play some Mobster game, two for the Pathword game and enough Farkle invitations to choke a pig.

This is what my Facebook account looks like, and honestly, I don’t really even use it.

But geez, if you want to be a Pirate,  Mobster, Vampire, Superhero or a Farmer who has a green mohawk that owns a pink tractor (Thanks Joanne)… then Facebook is your own world within a world. Take a look at this demographic that I’ve posted here:

Read more »

I’m playing with Application Groups in Scrutinizer v7  where you can define ranges of ports and IP addresses to define applications.  Seems I can also use it for IP Grouping:

Notice the above is a bi-direction trend which can be more useful than pie charts, but we do both:

The above of course is support for Cisco NetFlow, sFlow, IP FIX, jflow, etc.  It’s all network traffic monitoring using ‘flows’.