What is Network Watcher Connection Troubleshoot?
Experience Level: Junior
Tags: Azure Network Watcher
Answer
The connection troubleshoot feature of Network Watcher provides the capability to check a direct TCP connection from a virtual machine to a virtual machine (VM), fully qualified domain name (FQDN), URI, or IPv4 address. Network scenarios are complex, they're implemented using network security groups, firewalls, user-defined routes, and resources provided by Azure. Complex configurations make troubleshooting connectivity issues challenging. Network Watcher helps reduce the amount of time to find and detect connectivity issues. The results returned can provide insights into whether a connectivity issue is due to a platform or a user configuration issue. Connectivity can be checked with PowerShell, Azure CLI, and REST API.
Connection troubleshoot requires that the VM you troubleshoot from has the AzureNetworkWatcherExtension VM extension installed. The extension is not required on the destination endpoint.
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