AssignPrivateIpAddresses - ENS - Alibaba Cloud Documentation Center

Assigns secondary private IP addresses to an elastic network interface (ENI).

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
ens:AssignPrivateIpAddresses	create	All Resources *	none	none

Request parameters

Parameter	Type	Required	Description	Example
NetworkInterfaceId	string	Yes	The ID of the ENI.	eni-uf6533jbifugr5fo2j1w
VSwitchId	string	No	The ID of the vSwitch.	vsw-5rllcjb3ol6duzjdnbm1ombn7

Response parameters

Parameter	Type	Description	Example
	object	Schema of Response
RequestId	string	The ID of the request.	473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E
AssignedPrivateIpAddressesSet	object	Details about the ENI and the secondary private IP addresses that are assigned to the ENI.
NetworkInterfaceId	string	The ID of the ENI.	eni-uf620pb4d19ljnu4a64m
PrivateIpSet	array	The secondary private IP addresses that are assigned to the ENI.
	string	The secondary private IP address that is assigned to the ENI.	10.0.0.5

Examples

Sample success responses

JSONformat

{
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E",
  "AssignedPrivateIpAddressesSet": {
    "NetworkInterfaceId": "eni-uf620pb4d19ljnu4a64m",
    "PrivateIpSet": [
      "10.0.0.5"
    ]
  }
}

Error codes

HTTP status code	Error code	Error message	Description
400	Invalid%s	The specified parameter %s is invalid.	-
400	Missing%s	You must specify the parameter %s.	-
400	ens.interface.error	An error occurred while calling the API.	-
400	InvalidEniId.NotFound	The specified NetworkInterfaceId does not exist.	-
400	IncorrectInstanceStatus	The current status of the resource does not support this operation.	The current operation is not supported. The disk is being reset.
400	InvalidOperation.InstanceNotSupport	The specified instance does not support this operation.	-
400	InvalidVSwitchId.NotFound	The specified VSwitchId does not exist.	-
400	InvalidVSwitchId.NotBelongNetwork	The specified VSwitch is not bound to instance's network.	-
400	MaxEniPrivateIpsCountExceeded	The maximum number of privateIp in a eni is exceeded.	-
400	InvalidVSwitchId.IpNotEnough	Don't have enough private IPs in this switch.	-
400	IncorrectEniStatus	Current eni status does not support this operation.	-
400	InvalidParameter.EniServiceManaged	The eni is managed by service.	-
400	NoPermission	Permission denied.	-
400	InvalidParameter.%s	The specified field %s invalid. Please check it again.	-

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2023-09-21	The Error code has changed	View Change Details