PRTG Paessler Router Traffic Grapher Monitor

Key Features

• PRTG Traffic Grapher is an easy to use Windows application for monitoring and classifying bandwidth usage.
• It provides system administrators with live readings and long-term usage trends for their network devices.
• PRTG is mainly used for bandwidth usage monitoring, but may also be used to monitor many other aspects of a network such as memory and CPU utilization.
• With PRTG Traffic Grapher the user receives comprehensive bandwidth and network usage data that helps to optimize the efficiency of the network.
• Understanding bandwidth and resource consumption is the key to better network management: Avoid bandwidth and server performance bottlenecks; Find out what applications or what servers use up your bandwidth; Deliver better quality of service to your users by being proactive; Reduce costs by buying bandwidth and hardware according to actual load.
• The Freeware Edition of PRTG Traffic Grapher is completely free for personal and commercial use and may be downloaded for free.
• PRTG Traffic Grapher is designed to run on a Windows machine in your network for 24 hours every day, and constantly records the network usage parameters.
• The recorded data is stored in an internal database for later reference.
• Using an easy to use Windows interface you can configure the monitored sensors as well as create usage reports.
• For remote access PRTG Traffic Grapher comes with a built-in web server to provide access to graphs and tables.
• All common methods for network usage data acquisition are supported: SNMP: Simple Network Management Protocol is the basic method of gathering bandwidth and network usage data.
• It can be used to monitor bandwidth usage of routers and switches port-by-port as well as device readings like memory, CPU load etc.
• Packet Sniffing: With its built-in Packet Sniffer PRTG can inspect all network data packets passing the network card to calculate the bandwidth usage.
• NetFlow: The NetFlow protocol is supported by most Cisco routers to measure bandwidth usage.

Technical Specifications

• **Publisher:** Paessler.com
• **License:** Freeware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Internet / Network Tools