In PRTG, a sensor is the basic monitoring unit. One sensor typically monitors one specific aspect or metric on a device. For example: A single ping check on a router. A specific switch port's traffic volume. The CPU load of a server. The free space on a disk drive. 3. Key Features and Enhancements in 21.0.x
Even as Paessler moves into newer version cycles, 21.0.x is remembered for its . For many organizations, this version became the "Long Term Support" (LTS) equivalent because it balanced the introduction of new sensors with a rock-solid core that rarely crashed, even under heavy load. Conclusion
For hardware health, CPU, memory, and interface statistics. SNMPv3 support includes robust encryption algorithms like AES-256 for secure data transmission.
Testing conducted on a deployment with 5000 sensors (mix of SNMP, WMI, and HTTP): prtg network monitor 21.0.x
As your PRTG instance grows toward thousands of sensors, the Core Server can experience performance bottlenecks. Implement these best practices to keep PRTG 21.0.x running efficiently: Avoid WMI Overuse
Yellow again. Then Red. Then Green.
Set routers, firewalls, and core switches to 30 or 60-second intervals. In PRTG, a sensor is the basic monitoring unit
Simon leaned back in his chair, exhaling a breath he didn't know he was holding. He pulled up the for the device. He right-clicked and added a new trigger for the process monitor: If Process Name contains 'vmware', send email to 's.simon@vorheesfin.com' .
When evaluating PRTG 21.0.x (or PRTG in general), it's helpful to consider its core advantages and potential drawbacks based on user feedback and market analysis.
Upgraded SOAP/REST sensor implementations providing granular visibility into ESXi hosts, datastore latencies, and guest VM performance metrics. Advanced Flow Monitoring A specific switch port's traffic volume
Complete Guide to PRTG Network Monitor 21.0.x: Features, Upgrades, and Best Practices
If you leverage the HTTP API for third-party integrations (such as ticketing systems or custom dashboards), utilize specific API keys restricted by IP address whitelisting rather than passing raw username and password strings in the URL. 6. Advanced Customization: Scripts and Lookups