Monitor in real time with NetQ: Quick Reference — NVIDIA Spectrum Networking (NVIDIA-Certified Professional: AI Networking)

NetQ Real-Time Monitoring Quick Reference

NetQ is NVIDIA's advanced network telemetry and monitoring tool designed to provide real-time visibility, diagnostics, and assurance for NVIDIA Spectrum Networking environments.

Key Concepts

• Real-Time Telemetry: Continuous collection of network state and performance data.
• Network Assurance: Automated verification of network health and configuration compliance.
• In-Band Telemetry Integration: Uses data embedded in network packets for detailed insights.
• Multi-Tenant Visibility: Supports segmented views for environments using BGP-EVPN multi-tenancy.

Core NetQ Features

• Topology Visualization: Dynamic mapping of network devices and links for instant status checks.
• Path Tracing: End-to-end packet path analysis to identify bottlenecks or failures.
• Event and Alerting: Real-time notifications on anomalies, QoS violations, or link issues.
• Configuration Validation: Automated checks against intended network policies and QoS settings.
• Telemetry Data Analytics: Aggregation and historical trend analysis for performance optimization.

Common NetQ Commands

• netq show topology: Displays current network topology and device status.
• netq show events: Lists recent network events and alerts.
• netq tracepath source destination: Traces packet path between two endpoints.
• netq check config: Validates network device configurations against policies.
• netq monitor qos: Monitors Quality of Service parameters in real time.

Best Practices for Using NetQ

• Continuous Monitoring: Keep NetQ running persistently to detect transient issues.
• Integrate with NVIDIA DOCA: Leverage DOCA APIs for enhanced SuperNIC telemetry data.
• Use Alerts Proactively: Configure thresholds to catch QoS degradation early.
• Combine with In-Band Telemetry: Correlate NetQ data with in-band telemetry for comprehensive diagnostics.
• Regular Configuration Audits: Schedule automated checks to ensure compliance with RoCE and priority flow control settings.

Troubleshooting Tips

• If topology data is incomplete, verify NetQ agents are running on all devices.
• Use netq tracepath to isolate latency or packet loss points.
• Check event logs for ECN or priority flow control violations impacting performance.
• Correlate NetQ alerts with WJH diagnostics for root cause analysis.

For detailed documentation and updates, consult the official NVIDIA NetQ resources at NVIDIA NetQ.

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