When you delete a Dedicated Interconnect connection, Google shuts down the ports on Google's routers, and billing stops immediately. You must notify your vendor to remove the Interconnect connections from the unused ports on the Google demarcations.
Before you can delete a connection, you must delete all of its attachments.
Permissions required for this task
To perform this task, you must have been granted the following permissions or the following Identity and Access Management (IAM) roles.
In the Google Cloud Console, go to the Cloud Interconnect Physical connections tab.
For the Interconnect connection that you want to delete, select the options button, and then click Delete.
Type the name of the connection to confirm deletion.
Select Delete this interconnect.
Delete the Interconnect connection by providing the name of the connection to delete:
gcloud compute interconnects delete NAME
To create an Interconnect connection, see the Dedicated Interconnect provisioning overview.
To learn more about Cloud Interconnect options, see the Cloud Interconnect overview.
To help you solve common issues that you might encounter when using Cloud Interconnect, see Troubleshooting.