AWS::EC2::EgressOnlyInternetGateway
NAT Gatewayfor IPv6- Allow only outbound traffic to internet
- Route table must be modified

Properties
Type: AWS::EC2::EgressOnlyInternetGateway
Properties:
VpcId: String
NAT Gateway for IPv6
Type: AWS::EC2::EgressOnlyInternetGateway
Properties:
VpcId: String