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Amazon CloudWatch
User Guide

Amazon VPC VPN Metrics and Dimensions

Amazon VPN sends data to CloudWatch as it becomes available. For more information, see Monitoring with CloudWatch in the Amazon VPC User Guide.

VPN Metrics

The following metrics are available from Amazon VPC VPN.

Metric Description

TunnelState

The state of the tunnel. 0 indicates DOWN and 1 indicates UP.

Units: Boolean

TunnelDataIn

The bytes received through the VPN tunnel. Each metric data point represents the number of bytes received after the previous data point. Use the Sum statistic to show the total number of bytes received during the period.

This metric counts the data after decryption.

Units: Bytes

TunnelDataOut

The bytes sent through the VPN tunnel. Each metric data point represents the number of bytes sent after the previous data point. Use the Sum statistic to show the total number of bytes sent during the period.

This metric counts the data before encryption.

Units: Bytes

Dimensions for VPN Metrics

You can filter the Amazon VPC VPN data using the following dimensions.

Dimension Description

VpnId

This dimension filters the data by the VPN connection.

TunnelIpAddress

This dimension filters the data by the IP address of the tunnel for the virtual private gateway.