Cisco network traffic monitoring with NfSen/NfDump and NetFlow

Posted on by David Vassallo

A while ago I wrote a quick article on using NTOP to monitor network utilization by using cisco’s NetFlow functionality. This is an excellent tool, and it’s high level reporting is definitely a strength. However, I was after a more detailed report about what happened when. In a network, it is often necessary to keep … Continue reading Cisco network traffic monitoring with NfSen/NfDump and NetFlow

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Configuring basic cisco network traffic monitoring with ntop and NetFlow

Posted on by David Vassallo

If you are the admin of a cisco (and sonicwall now in the newer firmware) network, NetFlow is a good and easy way of gathering insight into what exactly is passing through your cisco. Apart from seeing link usage, netflow also allows the admin to see which protocols, ports and hosts are being used. This … Continue reading Configuring basic cisco network traffic monitoring with ntop and NetFlow