Order a 2 Gbps Direct Connect connection for the data center. Configure a virtual private gateway in each VPC. Create a private VIF for each virtual private gateway, and associate the virtual private gateways with the Direct Connect connection. Configure static routes in the VPC route tables and in the data center router.

Order a 2 Gbps Direct Connect connection for the data center. Configure a virtual private gateway in each VPC. Create a private VIF for each virtual private gateway, and associate the virtual private gateways with the Direct Connect connection. Configure Open Shortest Path First (OSPF) routing between the private VIF and the data center.

Configure a customer gateway and a virtual private gateway in each VPC. Configure an AWS Site-to-Site VPN connection between the data center and each VPC. Configure static routes in each VPC route table to point to the subnets in the data center.

Configure a customer gateway and a virtual private gateway in each VPC. Configure an AWS Site-to-Site VPN connection between the data center and each VPC. Configure BGP routing between the VPCs and the data center.