1 Account 2 VPC
VPC AWS (10.0.0.0/16) 1 AZ 1 Private Subnet 1 Route Table 1 CGW 1 VPN Gateway 1 VPC attached to VPN Gateway 1 VPN Connection 1 VPC SG
VPC On-Premise (172.21.0.1/16) 1 AZ 1 Public Subnet 1 Public Instance 1 Public IP 1 OpenSwan Installed 1 Disabled IP source and destination check
1 Private Instance with Private IP 1 Route Table 1 Route to VPC AWS