You can call this operation to delete an Elastic Network Interface (ENI).

Description

  • The ENI must be in the Available (Available) state.
  • If the ENI is already attached to an ECS instance, you can delete the ENI only after it is detached from the ECS instance (DetachNetworkInterface).
  • After an ENI is deleted:
    • The primary private IP address of the ENI is automatically released.
    • The deleted ENI is automatically removed from all security groups to which the ENI was added.

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
NetworkInterfaceId String Yes eni-bp14v2sdd3v8htlnm***

The ID of the ENI.

RegionId String Yes cn-hangzhou

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

Action String Yes DeleteNetworkInterface

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

Response parameters

Parameter Type Example Description
RequestId String F3CD6886-D8D0-4FEE-B93E-1B73239673DE

The ID of the request.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=DeleteNetworkInterface
&NetworkInterfaceId=eni-bp14v2sdd3v8htlnm***
&RegionId=cn-hangzhou
&<Common request parameters>

Sample success responses

XML format

<DetachNetworkInterface>
      <RequestId>04F0F334-1335-436C-A1D7-6C044FExxxxx</RequestId>
</DetachNetworkInterface>

JSON format

{
	"RequestId":"04F0F334-1335-436C-A1D7-6C044FExxxxx"
}

Error codes

HTTP status code Error code Error message Description
403 InvalidUserType.NotSupported %s The error message returned because your account type is not supported.
403 Abs.InvalidAccount.NotFound %s The error message returned because your Alibaba Cloud account does not exist or your AccessKey pair has expired.
400 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 allowed to perform this operation.
400 UnsupportedParameter %s The error message returned because the specified parameter is not supported.
403 Forbidden.SubUser %s The error message returned because the RAM user is not authorized to perform operations on this resource.
400 InvalidParameter %s The error message returned because the parameter is invalid.
400 InvalidInstanceID.Malformed %s The error message returned because the InstanceId parameter is invalid.
400 InvalidOperation.InvalidEcsState %s The error message returned because the private IP address cannot be released while the instance is in the current state.
400 InvalidOperation.InvalidEniState %s The error message returned because the private IP address cannot be released while the ENI is in the current state.
400 InvalidOperation.DetachPrimaryEniNotAllowed %s The error message returned because primary ENIs cannot be detached from their instances.
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 ENI ID 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 for the specified instance type has been reached.
403 InvalidOperation.AvailabilityZoneMismatch %s The error message returned because the specified VSwitch, ENI, and instance do not belong to the same zone.
403 InvalidOperation.VpcMismatch %s The error message returned because the specified ENI and security group do not belong to the same VPC.
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 security group is not of the VPC type.
403 InvalidOperation.InvalidEniType %s The error message returned because the ENI type does not support the operation.
400 Forbidden.RegionId %s The error message returned because this feature is not supported in the region.
400 InvalidParams.EniId %s The error message returned because the format of the specified ENI ID is invalid.

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