Nagios Network Analyzer Reviews in June 2026: User Ratings, Pros & Cons

"Open source, good for smaller companies"

What do you like best about Nagios Network Analyzer? Easy to set up, build simple checks, etc. What do you dislike about Nagios Network Analyzer? Stick to the best practices. Don't go crazy with customization. What problems is Nagios Network Analyzer solving and how is that benefiting you? Ping checks, canary pages, http responses from various applications for availability checks.

"Nagios, the only monitor you should use"

What do you like best about Nagios Network Analyzer? Nagios is very flexible and expandable. We can write our own plugins to custom fit our environment for the exact equipment and checks we need to see. What do you dislike about Nagios Network Analyzer? Commercial version is a little expensive, however the "core" opensource version is the same engine and allows us to deploy the plugins we need with alerting we need for our network of over 3k devices and over 9k service checks. What problems ...

"Nagios, the only monitor you should use"

What do you like best about Nagios Network Analyzer? Nagios is very flexible and expandable. We can write our own plugins to custom fit our environment for the exact equipment and checks we need to see. What do you dislike about Nagios Network Analyzer? Commercial version is a little expensive, however the "core" opensource version is the same engine and allows us to deploy the plugins we need with alerting we need for our network of over 3k devices and over 9k service checks. What problems ...

"Nagios has been reliable so far but always needs tweaking"

What do you like best about Nagios Network Analyzer? I like the reliability. It has never failed us to get alerts. What do you dislike about Nagios Network Analyzer? It needs tweaking. You'd have to be very specific and make sure to tweak it to avoid false alarms What problems is Nagios Network Analyzer solving and how is that benefiting you? We monitor from storage to networking devices. Everything including CPU on a device to amount of storage left in a specific way.

"Excellent Freeware Software for Network Monitoring"

What do you like best about Nagios Network Analyzer? Overall the price factor but I really like that we can setup services to ping devices all around our office, not just networking equipment. What do you dislike about Nagios Network Analyzer? The learning curve is a bit steep but easiest thing to do is build an EC2 instance and dev it from there via terminal Recommendations to others considering Nagios Network Analyzer: Do your research and don't be afraid to test. What problems is Nagios ...

"Excellent Freeware Software for Network Monitoring"

What do you like best about Nagios Network Analyzer? Overall the price factor but I really like that we can setup services to ping devices all around our office, not just networking equipment. What do you dislike about Nagios Network Analyzer? The learning curve is a bit steep but easiest thing to do is build an EC2 instance and dev it from there via terminal Recommendations to others considering Nagios Network Analyzer: Do your research and don't be afraid to test. What problems is Nagios ...

"Nagios is OK not great"

What do you like best about Nagios Network Analyzer? GUI is awesome opensource free ACK integration with Pagerduty What do you dislike about Nagios Network Analyzer? not scalable lots of configuration hard to understand not accurate nagios host itself freeze up and then all other host show down and give false alram Recommendations to others considering Nagios Network Analyzer: Zabbix is best newrelic What problems is Nagios Network Analyzer solving and how is that benefiting you? nagios is ...

"Works well, if a little clunky to set up."

What do you like best about Nagios Network Analyzer? It monitors everything we threw at it. It can even tie into pagers (yes, old style beepers) to deliver notifications. Down time and maintenance notifications are easy to use. The add ons really make this product shine -- with the help of free libraries of addons and plugins online there is very little that can't be monitored by this software. Plus, the price is right! What do you dislike about Nagios Network Analyzer? It can be a little ...