Associates the specified subnets and transit gateway attachments with the specified transit gateway multicast domain.
The transit gateway attachment must be in the available state before you can add a resource.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
JSON
{
"Type" : "AWS::EC2::TransitGatewayMulticastDomainAssociation",
"Properties" : {
"SubnetId" : String,
"TransitGatewayAttachmentId" : String,
"TransitGatewayMulticastDomainId" : String
}
}
YAML
Type: AWS::EC2::TransitGatewayMulticastDomainAssociation
Properties:
SubnetId: String
TransitGatewayAttachmentId: String
TransitGatewayMulticastDomainId: String
Properties
SubnetId-
The IDs of the subnets to associate with the transit gateway multicast domain.
Required: Yes
Type: String
Update requires: Replacement
TransitGatewayAttachmentId-
The ID of the transit gateway attachment.
Required: Yes
Type: String
Update requires: Replacement
TransitGatewayMulticastDomainId-
The ID of the transit gateway multicast domain.
Required: Yes
Type: String
Update requires: Replacement
Return values
Ref
When you pass the logical ID of this resource to the intrinsic Ref function, Ref returns the transit gateway multicast domain ID. For example:
tgw-mcast-domain-000fb24d04EXAMPLE.
Fn::GetAtt
The Fn::GetAtt intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.
For more information about using the Fn::GetAtt intrinsic function, see Fn::GetAtt.
ResourceId-
The ID of the resource.
ResourceType-
The type of resource, for example a VPC attachment.
State-
The state of the resource.
See also
-
AssociateTransitGatewayMulticastDomain in the Amazon EC2 API Reference
