Cisco’s NetFlow protocol generates such data by collecting information about IP traffic from devices on the network. NetFlow data can show applications, devices or end users behaving in such a way as ...

In the 1990s, NetFlow version 5 started out as a Cisco Systems proprietary protocol for capturing and sending information about network traffic flows to a collection point. NetFlow can be enabled on ...

Cisco is warning of a flaw that creates conditions susceptible to a DoS attack in its NetFlow Generation Appliance. Warning the device is susceptible to denial of service attacks, Cisco Systems on ...

I'd like to have a better understanding of how my network is performing in real-time and also historically (day, week, month, and year). Currently I launch Cisco ASDM and keep it running on a ...

Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...

Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Network managers have always sought a better window ...