Monitor NAT gateways with Amazon CloudWatch

You can monitor your NAT gateway using CloudWatch, which collects information from your NAT gateway and creates readable, near real-time metrics. You can use this information to monitor and troubleshoot your NAT gateway. These metrics give you visibility into the health and performance of your NAT gateway, enabling you to closely monitor its operation and quickly troubleshoot any issues.

The NAT gateway metrics collected by CloudWatch include data points such as bytes processed, packet counts, connection counts, and error rates. This enables you to thoroughly understand the traffic flowing through your NAT gateway and identify any anomalies or bottlenecks. CloudWatch delivers this metric data at 1-minute intervals, giving you a granular, up-to-the-minute view of your NAT gateway's behavior.

Additionally, CloudWatch retains this NAT gateway metric data for an extended period of 15 months, enabling you to analyze trends and patterns over time. You can use this historical data for capacity planning, performance optimization, and understanding the long-term evolution of your NAT gateway usage.

To leverage these powerful monitoring capabilities, you can create custom CloudWatch dashboards and alarms tailored to your specific needs. For example, you could set up alerts to notify you whenever your NAT gateway's outbound data transfer exceeds a certain threshold, allowing you to proactively address potential bandwidth constraints.

For more information about pricing, see Amazon CloudWatch Pricing.