A few weeks ago I wrote blog post about some cool technologies including NetFlow and Cisco's IP SLA and provided some information on what IP SLA can be used for and how it works. Since then I've become even more convinced that IP SLA is a must-use technology. I guess you could say I've gone from being just a fan to being somewhat of a fanatic. Sort of like the way I feel about Mountain Dew, spinnerbaits, and bird dogs - I just plain love 'em. Over the last few weeks I've really been able to get my hands dirty with this technology. I hosted a webcast -Deep Dive...

Read Entire Post »

Over the last few days I've been writing and talking a lot about NetFlow. This is a smokin' hot topic for network engineers nowadays and so we've created some new videos and webcasts to help explain the technology and how you can leverage it. One of the subjects that kept coming up is how to get NetFlow data from your Cisco ASAs. I had to do some research to verify my understanding of how this worked but now that I'm done I thought I should share it here. When most of us think about NetFlow, we think about traffic analysis. When you enable NetFlow on a router or switch...

Read Entire Post »