Several years ago, NetFlow was arguably one of the most underutilized management assets relevant to network performance and security. It was generally available as a part of Cisco IOS software, but ...

I've been scouring around the Internet trying to find the a best practice for monitoring NetFlow a Cisco DMVPN router. I know how to setup NetFlow, my question is what interfaces I would need to ...

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 ...

Joining a slew of management vendors, AdventNet last week announced it would launch a NetFlow-based bandwidth-monitoring tool to help network administrators identify application traffic on their nets ...

Flow data is already generated by most network devices. There has always been sufficient justification to collect and look at flow data if only to get a picture of what your network is being used for.

PROC NETFLOW solves network problems that can have side constraints. Certain algebraic features of networks are exploited by a specialized version of the Simplex method so that solution times are ...

In my last blog post I showed how you collect NetFlow records and format them suitable for visualization. The next step, after the data has been processed and prepared in a CSV format, is to pick a ...

NetFlow has been around for a long time, which doesn’t mean tools that leverage it can’t be honed. That’s what the founders of Plixer International thought over five years ago when it looked at the ...

Leaders at the Tor Project call for calm after an academic paper spells out how funded hackers could use NetFlow data from Cisco routers to de-anonymize Tor users. Tor Project leaders are trying to ...