14_1: Introduction

In this lab, we explore Azure Network Watcher, a regional service that enables you to monitor and diagnose conditions

at a network level in Azure. Specifically, we'll use the Connection Troubleshoot tool to analyze connectivity between

resources.

14_2: Prerequisites

Ensure you have the following before starting:

An active Azure Subscription

A Virtual Network (VNet) with deployed resources (e.g., VMs, Load Balancer)

Network Watcher is enabled for the region you are working in

14_3: Accessing Network Watcher

🧭 Navigate to Network Watcher:

In the Azure Portal, from the left-hand menu, search for "Network Watcher".

Select it to open the Network Watcher dashboard.

14_4: Using Connection Troubleshoot

📍 Run a connection test:

Under the Network diagnostic tools section, click on Connection troubleshoot.

Enter the source and destination details (such as source VM, destination IP/FQDN, port).

Click Check to run the diagnostic test.

14_5: Viewing the Results

Once the test completes, you will see detailed diagnostic output showing:

Connection status (Reachable/Unreachable)

Hops in the network path

Latency and port-level information

14_6: Summary

In this lab, we used Azure Network Watcher to visualize and diagnose network connectivity using the Connection

Troubleshoot feature. This tool is essential for identifying issues between resources in your Azure network

infrastructure.