NNMi - Enterprise Grade Network Monitoring.
September 08, 2025

NNMi - Enterprise Grade Network Monitoring.

Anonymous | TrustRadius Reviewer
Score 8 out of 10
Vetted Review
Verified User

Overall Satisfaction with OpenText Network Node Manager i (NNMi)

We use NNMi to monitor the complete Network infrastructure. more than 80K devices . NNMi automatically discovers devices and network topology, creating a comprehensive view of the network architecture. Fault Monitoring:It detects, monitors, consolidates, and correlates network faults to help pinpoint issues. Performance Monitoring:NNMi provides detailed performance data reports to ensure networks run smoothly. Alerting & Incident Management:The system generates real-time alerts for important events and incidents, which can be customized to provide diagnostic tips. T opology Visualization:Users can visualize network connectivity and relationships to better understand and diagnose problems.

Pros

  • Network Discovery.
  • Fault Monitoring.
  • Alerting & Incident Management.
  • L2 discovery.
  • Topology Visualization.
  • Enterprise level large scale monitoring.
  • Performance reporting using iSPI.

Cons

  • Layer 2 connection discovery is not always correct.
  • Enterprise to Cloud network visibility.
  • Reporting feature can be embedded to the tool itself than installing another product.
  • Centralized fault and performance monitoring for large scale infra.
  • Improved Network Availability for on-prem devices.
  • NNMi supports massive network environments with support for thousands of devices from hundreds of vendors, ensuring it can grow with your business needs.
  • Some of the negatives are : Limited Reporting.
  • Potential Integration Issues: integration between NNMi and OpenText Network Automation (NA), where discovered nodes are not consistently synced. and also a wide variety of integration methods are available to integrate with the latest tools in the market.
  • Installation Complexities:
  • There are issues with installations, including post-installation configuration failures, and challenges confirming that the correct encryption algorithms are being used during setup.
NNMi's user interface is described as well-designed and intuitive, making it easy for users to navigate and perform tasks quickly, thereby enhancing the overall user experience. The system offers a powerful network discovery mechanism that maps out your network's physical and virtual topology, enabling you to visualize connections between devices and identify potential issues. Fault monitoring is at its best. NNMi provides a unified environment for viewing faults, availability, and performance data, consolidating essential information into a single platform.
  • SolarWinds Network Performance Monitor (npm) and Zabbix
NNMi is best suited for enterprise-grade, large to very large infrastructure. You have fewer servers to install the product and manage all your devices through a single server, which also enhances ease of use.

Do you think OpenText Network Node Manager i (NNMi) delivers good value for the price?

Yes

Are you happy with OpenText Network Node Manager i (NNMi)'s feature set?

Yes

Did OpenText Network Node Manager i (NNMi) live up to sales and marketing promises?

Yes

Did implementation of OpenText Network Node Manager i (NNMi) go as expected?

Yes

Would you buy OpenText Network Node Manager i (NNMi) again?

Yes

Well-suited for large-scale deployment without needing more servers. Linux installation is quite stable, and Polling of a large number of devices is well managed. Less suited to Network Observability scenarios or cloud network monitoring.

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