RegisterTransitGatewayMulticastGroupMembers - Amazon Elastic Compute Cloud
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Registers members (network interfaces) with the transit gateway multicast group. A member is a network interface associated with a supported EC2 instance that receives multicast traffic. For information about supported instances, see Multicast Consideration in Amazon VPC Transit Gateways.

After you add the members, use SearchTransitGatewayMulticastGroups to verify that the members were added to the transit gateway multicast group.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.


Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No


The IP address assigned to the transit gateway multicast group.

Type: String

Required: No


The group members' network interface IDs to register with the transit gateway multicast group.

Type: Array of strings

Required: Yes


The ID of the transit gateway multicast domain.

Type: String

Required: Yes

Response Elements

The following elements are returned by the service.


Information about the registered transit gateway multicast group members.

Type: TransitGatewayMulticastRegisteredGroupMembers object


The ID of the request.

Type: String


For information about the errors that are common to all actions, see Common client error codes.


Example 1

This example registers the network interface as a group member eni-0e246d3269EXAMPLE with the multicast domain tgw-mcast-domain-0c4905cef7EXAMPLE.

Sample Request &TransitGatewayMulticastDomainId=tgw-mcast-domain-0c4905cef7EXAMPLE &NetworkInterfaceIds=eni-0e246d3269EXAMPLE &AUTHPARAMS

Sample Response

<RegisterTransitGatewayMulticastGroupMembersResponse xmlns=""> <requestId>6f4167cd-0870-4858-8872-f1c34EXAMPLE</requestId> <registeredMulticastGroupMembers> <groupIpAddress></groupIpAddress> <registeredNetworkInterfaceIds> <item>eni-0e246d3269EXAMPLE</item> </registeredNetworkInterfaceIds> <transitGatewayMulticastDomainId>tgw-mcast-domain-0c4905cef7EXAMPLE</transitGatewayMulticastDomainId> </registeredMulticastGroupMembers> </RegisterTransitGatewayMulticastGroupMembersResponse>

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: