Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Network Monitor dashboards

You can use the Amazon CloudWatch Network Monitor dashboard to view Amazon network health, and probe round-trip time and packet loss. You can view these metrics for both monitors and for individual probes.

Network Monitor dashboards

Probe alarms

You can create Amazon CloudWatch alarms based on Amazon CloudWatch Network Monitor metrics, just as you can for other Amazon CloudWatch metrics. Any alarm that you create will appear in the probe's Status column of the Monitor details section of the Network Monitor dashboard when the alarm is triggered. The status will either be OK or In Alarm. If no status displays for a probe, then no alarm was created for that probe.

For example, you can create an alarm based on the Network Monitor metric PacketLoss, and configure it to send a notification when the metric is higher than a value that you choose. You configure alarms for Network Monitor metrics following the same guidelines as for other CloudWatch metrics.

The following metrics are available under AWS/NetworkMonitor when creating a CloudWatch alarm for Network Monitor.

For the steps to create a Network Monitor alarm, see Create a CloudWatch alarm based on a static threshold.

Setting a metrics time frame

Metrics and events on both dashboards use a default time of two hours, calculated from the current time. You can change the default to use one of the following presets:

You can also set a custom time frame. Choose Custom, choose an Absolute or Relative time, and then set the time frame to a time of your own choosing. Relative time supports only 15 days back from today's date, per CloudWatch defaults.

Additionally, you can choose the time displayed in the charts based on either the UTC timezone or a Local timezone.