**To register an Elastic IP address with a stack** The following example registers an Elastic IP address, identified by its IP address, with a specified stack. **Note:** The Elastic IP address must be in the same region as the stack. :: aws opsworks register-elastic-ip --region us-east-1 --stack-id d72553d4-8727-448c-9b00-f024f0ba1b06 --elastic-ip 54.148.130.96 *Output* :: { "ElasticIp": "54.148.130.96" } **More Information** For more information, see `Registering Elastic IP Addresses with a Stack`_ in the *OpsWorks User Guide*. .. _`Registering Elastic IP Addresses with a Stack`: http://docs.aws.amazon.com/opsworks/latest/userguide/resources-reg.html#resources-reg-eip