Resource aviatrix_vpc creates a VPC/vNet/VCN in various cloud types. For Aviatrix Transit VPC, there would be various different subnets created for the purpose of integrating with SDWan appliances, insertion of Firewalls, integration with AWS TGW (Aviatrix Orchestrated), or utilizing AWS Gateway Load Balancer etc.

An example of subnets created in AWS for Aviatrix Transit VPC with High-Performance Encryption, TGW-O integration, and Firewall integration with GWLB.