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Azure Network Watcher is a suite of monitoring, diagnostic, and analytics tools designed to help you understand, diagnose, and gain insights into your Azure networking. It is your primary toolkit for troubleshooting connectivity issues, analysing traffic patterns, and ensuring your network is healthy and secure.
Network Watcher is a regional service automatically enabled in every Azure region where you have networking resources. It provides tools across three categories:
| Category | Purpose |
|---|---|
| Monitoring | Visualise and track network topology and health. |
| Diagnostics | Troubleshoot connectivity, routing, and security issues. |
| Traffic analytics | Analyse traffic flow patterns and detect anomalies. |
The Topology view provides a visual map of your network resources and their relationships — VNets, subnets, NICs, VMs, NSGs, load balancers, and gateways.
This interactive diagram helps you:
Connection Monitor continuously tests connectivity between sources and destinations, alerting you when connections fail or latency exceeds thresholds.
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