Monitoring

To help you monitor connections, Cloud Interconnect reports metrics to Stackdriver. Monitoring these metrics can help you troubleshoot issues with your physical circuits (interconnects) or VLAN attachments. For Dedicated Interconnect, Cloud Interconnect reports measurements for the interconnect and VLAN attachments. For Partner Interconnect, Cloud Interconnect reports measurements for VLAN attachments only.

Google starts reporting interconnect metrics after Google allocates your ports, even before your interconnect is ready to use. That way, you can monitor the circuits while they're being set up and tested.

Google starts reporting VLAN attachment metrics right after you create the attachment. Google reports the number of packets and bytes sent and received.

Data is reported in one minute intervals to Stackdriver and is retained in Stackdriver for 6 weeks.

Metrics and resource types

  • To see a list of the Cloud Interconnect metrics, view the Metrics List in the Stackdriver documentation.
  • To see the details for the interconnect and interconnect_attachment monitored resource types, view Monitored Resource Types in the Stackdriver documentation.

Viewing metrics in the Cloud Interconnect console

In the Cloud Interconnect console, you can view the activity for VLAN attachments and Dedicated Interconnects.

To view the monitoring information for a Dedicated Interconnect:

  1. Go to the Cloud Interconnect Physical connections tab in the Google Cloud Platform Console.
    Go to Physical connections tab
  2. Select the interconnect to view.
  3. In the interconnect details page, select the Monitoring tab.

    For Dedicated Interconnects, the console shows the following activity for the selected time frame (by default the console shows the past hour's activity):

    • Utilization rate (bytes received and sent) compared to its overall capacity
    • Received bytes by VLAN attachment
    • Sent bytes by VLAN attachment
    • Number of outbound drops and the number of inbound and outbound errors

To view the monitoring information for a VLAN attachment:

  1. Go to the Cloud Interconnect VLAN attachments tab in the Google Cloud Platform Console.
    Go to the VLAN attachments tab
  2. Select the VLAN attachment to view.
  3. In the VLAN attachment details page, select the Monitoring tab.

    For each VLAN attachment, the console shows the bytes received and sent compared to its total capacity for the selected time frame (by default the console shows the past hour's activity).

Viewing metrics in Stackdriver

  1. Go to Stackdriver in the Google Cloud Platform Console.
    Go to Stackdriver
  2. Select Resources > Metrics Explorer.
  3. Search for Cloud Interconnect resource types and metrics. For a list of Cloud Interconnect resource types and metrics that you can monitor, see the Monitored Resource Types page or the Metrics List page.
  4. Select the resource type and metric to monitor.

Defining Stackdriver alerts in the Stackdriver

You can define Stackdriver alerts over various Cloud Interconnect metrics:

  1. Go to Stackdriver in the Google Cloud Platform Console.
    Go to Stackdriver
  2. Select Alerting > Create a Policy.
  3. Click Add Condition and select condition type.
  4. Select the condition type to use.
  5. Select the resource type and metric for this condition. For a list of Cloud Interconnect resource types and metrics that you can monitor, see the Monitored Resource Types page or the Metrics List page.
  6. Specify a threshold for the condition.
  7. Click Save Condition.
  8. Enter policy name and then click Save Policy.`

Creating Stackdriver custom dashboards

You can create custom Stackdriver dashboards over Cloud Interconnect metrics by adding custom charts:

  1. Go to Stackdriver in the Google Cloud Platform Console.
    Go to Stackdriver
  2. Select Dashboards > Create Dashbaord.
  3. Click Add Chart.
  4. Specify a name for the chart.
  5. Select the metrics and filters to use. For a list of Cloud Interconnect resource types and metrics that you can monitor, see the Monitored Resource Types page or the Metrics List page.
  6. Click Save.

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