When you connect the two regions by the Aviatrix Transit Gateway Peering, the network CIDR overlapping problem will occur. This feature allows you to not to advertise certain TGW hybrid attachment (DXGW and VPN) to the remote Aviatrix Transit Gateway and therefore the remote TGW. When trying to create a CloudFormation template for a Transit Gateway and an attachment to a VPN connection I cannot see how to create an attachment to VPN. I can only create attachments to VPCs with CloudFormation or am I missing something?

Jul 23, 2019 · This example demonstrates how to create a Transit Gateway in one AWS account, share it with a second AWS account, and attach a VPC in the second account to the Transit Gateway. See more in the Transit Gateway documentation. Running this example. Either cp terraform.template.tfvars terraform.tfvars and modify that new file accordingly or provide ...