You can monitor your on-premises connectivity using Network Watcher as well. It offers two different features for this, Network Performance Monitor and VPN Troubleshoot, which, just like the other features, are accessible from the Azure portal.
Monitoring and troubleshooting on-premises connectivity
Network Performance Monitor
Network Performance Monitor is a hybrid network monitoring solution. It can monitor network connectivity for on-premises and cloud networks, and between various points in your network infrastructure. It can detect issues such as routing errors and blackholing. The monitoring solution is stored inside Azure Log Analytics.
Network Performance Monitor can create alerts and notifications when network performance...