Values_3.ModifyTransitGatewayVpcAttachmentRequestOptionsSourceDescribes the options for a VPC attachment.
type nonrec t = {dnsSupport : Values_0.DnsSupportValue.t option;Enable or disable DNS support. The default is enable.
*)securityGroupReferencingSupport : Values_0.SecurityGroupReferencingSupportValue.t
option;Enables you to reference a security group across VPCs attached to a transit gateway to simplify security group management. This option is disabled by default. For more information about security group referencing, see Security group referencing in the Amazon Web Services Transit Gateways Guide.
*)ipv6Support : Values_0.Ipv6SupportValue.t option;Enable or disable IPv6 support. The default is enable.
*)applianceModeSupport : Values_0.ApplianceModeSupportValue.t option;Enable or disable support for appliance mode. If enabled, a traffic flow between a source and destination uses the same Availability Zone for the VPC attachment for the lifetime of that flow. The default is disable.
*)}