You can use the VMC SDDC group page to get an overview of your VMC on AWS SDDC group.

How to access the VMC SDDC Group page?

To access this page, search for VMC SDDC Group and in the search result list, select an entity you want to view.

Overview

In the VMC SDDC Group page, you see:
Section Details
Overview You see an overview of your VMC SDDC group entities and the counts of VMware Managed Transit Gateway, Direct Connect Gateway, Direct Connect Interface, and so on present within the VMC SDDC group.

The VTGW Route Table shows the VMware Managed Transit Gateway route details of the entities in that VMC SDDC group.

Flows You see an overview of the bandwidth and the traffic usage over the VMware Managed Transit Gateway.
Network Traffic and alerts You see an overview of the network traffic and the list of all alerts associated with the VMC SDDC group entities discovered by vRealize Network Insight alerts.