With VPN tunnels and VPN gateways, you can view monitoring data, and quickly locate failures if they occur. The monitoring service is free of additional charges.

VPN Gateway

1. Log in to the VPC console.
2. Click VPN Connection > VPN Gateway on the left navigation bar.
3. Select a region and a VPC, and click the monitoring icon of a VPN gateway in the list to view its monitoring data.
   You can also view the monitoring data on the Monitoring tab by clicking the gateway ID.
4. Click VPN Connection > VPN Tunnel on the left navigation bar.

VPN Tunnel

1. Log in to the VPC console.
2. Click VPN Connection > VPN Tunnel on the left navigation bar.
3. Select a region and a VPC, and click the monitoring icon of a VPN tunnel in the list to view its monitoring data.

Documentation

VPN Gateway Monitoring Metrics
VPN Tunnel Monitoring Metrics