Using OpenNetAdmin for network documentation

Posted on by David Vassallo

It’s probably a familiar situation for every sysadmin… at some stage, your network grows to be too large for your trusty spreadsheet to keep track of. In enterprise networks this is especially true, where the number of servers can easily be in the hundreds. While looking for a good, open source solution to this problem, … Continue reading Using OpenNetAdmin for network documentation

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