Knowledge Base

Planning Large Installations of PRTG Network Monitor 7

When planning large installations of PRTG Network Monitor with many sensors (>500) or with high traffic (>50 Mbit), there are several parameters to take into account that influence the maximum number of sensors that can be monitored.

The number of sensors and the bandwidth volume that PRTG can monitor with one installation mainly depends on the monitoring technology and the monitoring intervals you use:

  • The smallest CPU load is required for SNMP based monitoring. This is the recommended technology for scenarios with hundreds or thousands of sensors regardless of the traffic where per-IP and per-protocol accounting is not necessary.
  • With NetFlow monitoring the bandwidth values that you can monitor is almost unlimited. This is the recommended technology for Cisco devices and should be considered for all high traffic networks (>20-50 MBit/s steady streams) if per-IP and per-protocol accounting is required.
  • The most CPU load is required for Packet Sniffing. This technology is recommended for lower traffic networks (<50 Mbit/s steady stream) if per-IP and per-protocol accounting is necessary. 

 

For more detailed information please use the Site Planner Tool to plan large installations.