Azure Network Watcher is a cloud-based network monitoring and diagnostic service provided by Microsoft Azure. It provides a set of tools and features that help you monitor and diagnose the health and performance of your Azure network resources.
Features of Azure Network Watcher:
Network Performance Monitoring
Azure Network Watcher provides network performance monitoring capabilities that enable you to monitor the health and performance of your Azure network resources, including virtual machines, virtual networks, and load balancers. You can monitor network latency, bandwidth, and packet loss, which helps you identify and resolve network performance issues before they impact your applications.
Network Traffic Analysis
Azure Network Watcher allows you to monitor and analyze network traffic flows between Azure resources. This includes the ability to capture and analyze network packets, view network flow logs, and visualize traffic flow patterns. Network traffic analysis helps you identify and troubleshoot network congestion, bottlenecks, and other issues that can affect your applications’ performance.
Network Security Group (NSG) Flow Logs
Azure Network Watcher provides NSG flow logs, which allow you to view and analyze network traffic flows that are allowed or denied by your NSGs. This helps you identify and troubleshoot security issues in your network resources. You can view the source and destination IP addresses, port numbers, and protocol types of the traffic flows that are allowed or denied by your NSGs.
Azure Network Watcher provides a connectivity check feature that enables you to test connectivity between Azure resources and between Azure resources and on-premises resources. You can use connectivity check to troubleshoot connectivity issues in your network resources. Connectivity check tests the connectivity between source and destination IP addresses, which helps you identify and troubleshoot connectivity issues.
Azure Network Watcher provides a network topology feature that allows you to visualize the connectivity between your Azure resources. You can view the relationships between virtual machines, virtual networks, and load balancers, which helps you understand how your network resources are connected. Network topology enables you to identify potential network issues and optimize your network infrastructure for better performance.
Azure Network Watcher provides VPN diagnostics capabilities that enable you to troubleshoot VPN connectivity issues between your Azure virtual network and your on-premises network. You can view VPN connection status, logs, and metrics, which helps you identify and troubleshoot VPN connectivity issues. VPN diagnostics provides detailed information about the status of your VPN connection, including connection duration, throughput, and packet loss.
Benefits of Azure Network Watcher:
Simplified Network Monitoring and Diagnostics
Azure Network Watcher provides a centralized location to monitor and diagnose the health and performance of your Azure network resources. This simplifies network monitoring and reduces the risk of configuration errors and security gaps. With Azure Network Watcher, you can monitor and diagnose network issues with ease, which saves time and improves the efficiency of your network operations.
Improved Network Performance and Availability
Azure Network Watcher provides network performance monitoring and traffic analysis capabilities that allow you to identify and resolve performance issues before they affect your applications. This helps to ensure that your applications remain accessible and performant, even during periods of high traffic. Azure Network Watcher enables you to optimize your network infrastructure for better performance, which enhances the user experience and reduces the risk of application downtime.
Enhanced Network Security
Azure Network Watcher provides NSG flow logs and connectivity check features that enable you to identify and troubleshoot security issues in your network resources. This helps to prevent unauthorized access and reduce the risk of data breaches and cyber attacks. Azure Network Watcher enables you to monitor and control network traffic, which enhances the security of your network infrastructure.
Simplified Network Troubleshooting
Azure Network Watcher provides a range of network troubleshooting capabilities that enable you to identify and resolve network issues quickly. With network performance monitoring, traffic analysis, and connectivity check features, you can diagnose issues with ease and reduce the mean time to resolution. Azure Network Watcher provides a single platform for network monitoring and diagnostics, which reduces the complexity of network troubleshooting and enhances the efficiency of your network operations.
Improved Compliance and Auditability
Azure Network Watcher provides audit logs and compliance reports that enable you to monitor and maintain compliance with regulatory requirements and industry standards. You can view detailed information about network activity, including allowed and denied traffic flows, which helps you demonstrate compliance and identify potential security risks. Azure Network Watcher provides a comprehensive set of tools for network monitoring, diagnostics, and compliance, which enhances the visibility and control over your network infrastructure.
Integration with Azure Services
Azure Network Watcher integrates with other Azure services, such as Azure Virtual Network and Azure ExpressRoute, to provide a seamless network monitoring and diagnostics experience. You can use Azure Network Watcher to monitor and diagnose issues with your virtual networks and VPN connections, which helps you optimize your network infrastructure for better performance and security. Azure Network Watcher also integrates with Azure Security Center to provide a comprehensive security solution for your Azure environment.
Azure Network Watcher is a powerful network monitoring and diagnostics tool that offers a wide range of features and benefits for Azure customers. With network performance monitoring, traffic analysis, NSG flow logs, connectivity check, network topology, VPN diagnostics, and other features, you can gain visibility and control over your Azure network infrastructure. Azure Network Watcher simplifies network monitoring and troubleshooting, enhances network performance and security, and improves compliance and auditability. If you are an Azure customer, we highly recommend exploring the capabilities of Azure Network Watcher to optimize your network infrastructure and enhance the efficiency of your network operations.