Paessler PRTG Network Monitor

PRTG Network Monitor runs on a Windows machine within your network, collecting various statistics from the machines, software, and devices which you designate. It can also autodiscover them, helping you map out your network. It also retains the data so you can see historical performance, helping you react to changes.

PRTG comes with an easy-to-use web interface with point-and-click configuration. You can easily share data from it with non-technical colleagues and customers, including via live graphs and custom reports. This will let you plan for network expansion, see what applications are using most of your connection, and make sure that no one is hogging the entire network just to torrent videos.

PRTG can collect data for almost anything of interest on your LAN. It supports multiple protocols for collecting this data:

  • SNMP and WMI
  • Packet Sniffing
  • NetFlow, IPFIX, jFlow, and sFlow

PRTG Network Monitor includes more than 200 sensor types for all common network services, including HTTP, SMTP/POP3 (email), FTP, etc. But what is a sensor? One sensor within PRTG is one aspect that you monitor on a device. For example a specific URL, the traffic of a network connection, a port of a switch or the CPU load on a machine. Please have a look at the list of supported sensor types. Every entry in this list counts as one sensor. Normally, PRTG collects between 5 and 10 sensors per device, but of course that depends on what exactly you want to monitor.

PRTG can alert you to outages before your users even notice them, including via email, SMS, or pager. Even better, after you use PRTG to track request times and uptime for a few months, you can optimize your network so your smartphone never gets a push from PRTG again. PRTG can print reports showing how good a job you are doing. Tell your boss that your 100% uptime last quarter deserves a raise. PRTG will even print you the report to do it with.

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