You can call this operation to unassign one or more secondary private IP addresses from an elastic network interface (ENI).

Description

  • The ENI from which you want to unassign private IP addresses must be in the Available (Available) or InUse (InUse) state.
  • When you perform this operation on the primary ENI, the instance to which the ENI is bound must be in the Running (Running) or Stopped (Stopped) state.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes UnassignPrivateIpAddresses

The operation that you want to perform. Set the value to UnassignPrivateIpAddresses.

NetworkInterfaceId String Yes eni-bp67acfmxazb4ph****

The ID of the ENI.

PrivateIpAddress.N RepeatList Yes 192.168.**. **

The secondary private IP addresses to be unassigned.

RegionId String Yes cn-hangzhou

The region ID of the ENI. You can call the DescribeRegions operation to query the most recent region list.

Response parameters

Parameter Type Example Description
RequestId String 473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

The ID of the request.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=UnassignPrivateIpAddresses
&NetworkInterfaceId=eni-bp67acfmxazb4ph****
&PrivateIpAddress.1=192.168. **. **
&RegionId=cn-hangzhou
&<Common request parameters>

Sample success responses

XML format

<UnassignPrivateIpAddressesResponse>
      <RequestId>04F0F334-1335-436C-A1D7-6C044FE70008</RequestId>
</UnassignPrivateIpAddressesResponse>

JSON format

{
    "RequestId": "04F0F334-1335-436C-A1D7-6C044FE70008"
}

Error codes

HTTP status code Error code Error message Description
403 InvalidUserType.NotSupported %s The error message returned because your account does not support this operation.
403 Abs.InvalidAccount.NotFound %s The error message returned because your Alibaba Cloud account does not exist or your AccessKey pair has expired.
403 MissingParameter %s The error message returned because a required parameter is not specified.
403 Forbidden.NotSupportRAM %s The error message returned because RAM users are not authorized to perform this operation.
400 UnsupportedParameter %s The error message returned because a specified parameter is not supported.
403 Forbidden.SubUser %s The error message returned because your account is not authorized to manage the specified resource. Contact the owner of the Alibaba Cloud account for authorization.
400 InvalidParameter %s The error message returned because a specified parameter is invalid.
400 InvalidInstanceID.Malformed %s The error message returned because the specified InstanceId parameter is invalid.
400 InvalidOperation.InvalidEcsState %s The error message returned because the operation is not supported while the instance is in the current state.
400 InvalidOperation.InvalidEniState %s The error message returned because the operation is not supported while the ENI is in the current state.
400 InvalidOperation.DetachPrimaryEniNotAllowed %s The error message returned because you cannot unbind the primary ENI from the instance.
404 InvalidEcsId.NotFound %s The error message returned because the specified instance ID does not exist.
404 InvalidEniId.NotFound %s The error message returned because the specified NetworkInterfaceId parameter does not exist.
404 InvalidVSwitchId.NotFound %s The error message returned because the specified VSwitch ID does not exist.
404 InvalidSecurityGroupId.NotFound %s The error message returned because the specified security group ID does not exist.
403 MaxEniCountExceeded %s The error message returned because the maximum number of ENIs that can be managed has been reached.
403 EniPerInstanceLimitExceeded %s The error message returned because the maximum number of ENIs that can be bound to the specified instance has been reached.
403 InvalidOperation.AvailabilityZoneMismatch %s The error message returned because the operation is invalid.
403 InvalidOperation.VpcMismatch %s The error message returned because the operation is invalid. Check whether the VPC in the operation corresponds to other parameters.
403 SecurityGroupInstanceLimitExceed %s The error message returned because the maximum number of instances in the specified security group has been reached.
403 InvalidSecurityGroupId.NotVpc %s The error message returned because the specified SecurityGroupId parameter is invalid and the security group is not of the VPC type.
403 InvalidOperation.InvalidEniType %s The error message returned because the operation is not supported by the ENI type.
404 InvalidInstanceId.NotFound %s The error message returned because the specified instance does not exist.
403 InvalidVSwitchId.IpInvalid %s The error message returned because the specified private IP address is invalid.
403 InvalidIp.IpUnassigned %s The error message returned because the specified IP address is not assigned.
403 Operation.Conflict %s The error message returned because this operation conflicts with another operation in progress. Try again later.
400 Forbidden.RegionId %s The error message returned because the service is not available in the current region.
400 InvalidAction %s The error message returned because the operation is invalid.
403 InvalidOperation.EniServiceManaged %s The error message returned because the operation is invalid.

For a list of error codes, visit the API Error Center.