A powerful network monitoring utility for beginners and advanced users alike.
Pros: The PRTG Network Monitor is a network monitoring utility which comes bundled with a host of features, that makes it a really powerful tool. Advanced users will like all the functionality that is available to them. Beginners will like the fact that it is fairly easy and intuitive to use, and also that it looks good. The web-based interface really is one of the high points for this utility, because network monitoring utilities are not usually blessed with nifty interfaces.
The software is able to monitor network uptime and downtime; it performs packet sniffing with decoding and presents these for viewing and analysis; advanced analysis and reporting features are part of this package; and a number of graphical utilities for visual presentation of the collected monitoring information. The following most common data acquisition methods are supported in addition to packet sniffing: SNMP queries (and downloading of MIBs), WMI, and NetFlow. A host of supported network services and protocols: SMTP, PING, HTTP, POP / POP3, FTP, PPP, etc. Outages are reported automatically via email, SMS, paging and other available means. Reporting functions include those for performance, reliability analysis, SLA validation and more. The free edition allows the monitoring of up to 10 sensors.
Cons: There are no real limitations for the PRTG Network Monitor.
Overall: 5 stars. A wonderful tool, a host of features and even an attractive interface. What more could one ask for.