Detaches an ENI from an instance.

Description

When you call this operation, note that:

  • You cannot detach the primary ENI of an instance.
  • The ENI must be in the Detaching or InUse state.
  • The instance must be in the Running or Stopped state.

Debugging

You can use API Explorer to perform debugging. API Explorer allows you to perform various operations to simplify API usage. For example, you can call APIs, dynamically generate SDK example code, and quickly retrieve APIs.

Request parameters

Name Type Required Example Description
InstanceId String Yes i-myinstance

The ID of the instance.

NetworkInterfaceId String Yes eni-myeni

The ID of the ENI.

RegionId String Yes cn-hangzhou

The ID of the region where the ECS instance resides. You can call DescribeRegions to view the latest regions of Alibaba Cloud.

Action String No DetachNetworkInterface

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

Response parameters

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

The ID of the request.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=DetachNetworkInterface
&InstanceId=i-myinstance
&NetworkInterfaceId=eni-myeni
&RegionId=cn-hangzhou 
&<Common request parameters>

Successful response examples

XML format

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

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 when your account type is not supported.
403 Abs.InvalidAccount.NotFound %s The error message returned when the specified Alibaba Cloud account does not exist or your AccessKey has expired.
400 MissingParameter %s The error message returned when a required parameter is not specified.
403 Forbidden.NotSupportRAM %s The error message returned when RAM users are not allowed to perform this operation.
400 UnsupportedParameter %s The error message returned when a parameter is not supported.
403 Forbidden.SubUser %s The error message returned when a RAM user is not authorized to perform operations on this resource.
400 InvalidParameter %s The error message returned when the parameter format is invalid.
400 InvalidInstanceId.MalFormed %s The error message returned when the instance ID format is invalid.
400 InvalidOperation.InvalidRegion %s The error message returned when the specified region ID is invalid.
400 InvalidOperation.InvalidEcsState %s The error message returned when the private IP address cannot be released under the instance state.
400 InvalidOperation.InvalidEniState %s The error message returned when the private IP address cannot be released under the ENI state.
400 InvalidOperation.DetachPrimaryEniNotAllowed %s The error message returned when the primary ENI cannot be detached from its instance.
404 InvalidEcsId.NotFound %s The error message returned when the specified instance ID does not exist.
404 InvalidEniId.NotFound %s The error message returned when the specified ENI ID does not exist.
404 InvalidVSwitchId.NotFound %s The error message returned when the specified VSwitch ID does not exist.
404 InvalidSecurityGroupId.NotFound %s The error message returned when the specified security group ID does not exist.
403 EniPerInstanceLimitExceeded %s The error message returned when the number of ENIs exceeds the upper limit for the specified instance type.
403 InvalidOperation.AvailabilityZoneMismatch %s The error message returned when the specified VSwitch, ENI, and instance are not in the same zone.
403 InvalidOperation.VpcMismatch %s The error message returned when the specified ENI and security group do not belong to the same VPC.
403 SecurityGroupInstanceLimitExceed %s The error message returned when the number of instances in the security group exceeds the upper limit.
403 InvalidSecurityGroupId.NotVpc %s The error message returned when the specified security group is not VPC-connected.
403 InvalidOperation.InvalidEniType %s The error message returned when the ENI type is not supported.
400 Forbidden.RegionId %s The error message returned when this function is not supported in the region.
400 InvalidParams.EniId %s The error message returned when the format of the specified ENI ID is invalid.

View error codes