Download Nagios Network Analyzer

Nagios® Network Analyzer™ is a commercial-grade netflow, sflow data analysis software that provides organizations with extended insight into their IT infrastructure and network traffic. Network Analyzer allows you to be proactive in resolving outages, abnormal behavior, and security threats before they affect critical business processes.

All downloads feature a free 60-day fully functional version of the software.

Choose from the options below to start monitoring:


VMWare 64bit VMWare 32bit


Hyper-V 64bit Hyper-V 32bit


Source Install
Changes made in Nagios Network Analyzer releases may be seen by clicking the appropriate link below:

Previous version may be found in our historical archive.

Want to get up and running quickly?

Schedule a free Nagios Quickstart. A Quickstart is a free one (1) hour session for our techs to install and initially configure Nagios software on your server. All you have to do is schedule a time that works for you. No purchase necessary.

Schedule Your Free Quickstart Now

Manual Installation Instructions

Want to manually install Nagios Network Analyzer to a Linux server running RHEL or CentOS? No problem. Read how to do it.

Upgrade Instructions

Have an existing Nagios Network Analyzer installation that needs to be updated? Download the latest source installer above to upgrade your installation to the newest version. Read the upgrade guide for instructions on updating your existing Nagios Network Analyzer installation.

VMware Image Notes

You’ll need VMware Server or VMware Player to run the virtual machine. Get VMware Player for free here.
Want the run the virtual machine under VMware ESX? Use the new OVF Templates.

Default CLI Credentials
User: root
Pass: nagiosna

OVF Template Notes

You’ll need VMware vSphere Server, ESX, VirtualBox, Workstation 8 or newer or other server capable of deploying OVF Template. There is no need to convert image, in vSphere simply click File -> Deploy OVF Template