Help & DocumentationVirtual Private CloudAPI DocumentationENI-Related APIsAttachNetworkInterface

AttachNetworkInterface

Last updated: 2020-03-06 20:27:20

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Contents：

1. API Description

Domain name for API request: vpc.tencentcloudapi.com.

This API (AttachNetworkInterface) is used to bind an ENI to a CVM.

  • One CVM can be bound to multiple ENIs, but only one primary ENI. For more information on the limits, see ENI use limits.
  • An ENI can only be bound to one CVM at a time.
  • Only CVMs in running or shutdown status can be bound to an ENI. For more information about CVM status, see Tencent CVM information.
  • An ENI can only be bound to a CVM in VPC, and the CVM must reside in the same availability zone as the subnet of the ENI.

A maximum of 100 requests can be initiated per second for this API.

Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example: vpc.ap-shanghai-fsi.tencentcloudapi.com

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. The value used for this API: AttachNetworkInterface.
Version Yes String Common parameter. The value used for this API: 2017-03-12.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
NetworkInterfaceId Yes String The ID of the ENI instance, such as eni-m6dyj72l.
InstanceId Yes String The ID of the CVM instance, such as ins-r8hr2upy.

3. Output Parameters

Parameter Name Type Description
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Binding an ENI to a CVM

Input Example

https://vpc.tencentcloudapi.com/?Action=AttachNetworkInterface
&Version=2017-03-12
&NetworkInterfaceId=eni-afo43z61
&InstanceId=ins-ins-r8hr2upy
&<Common Request Parameters>

Output Example

{
  "Response": {
    "RequestId": "f23d1450-ed00-4442-98d4-be409e625e6c"
  }
}

5. Developer Resources

API Explorer

This tool allows online call, signature authentication, SDK code generation and quick search of APIs to greatly improve the efficiency of using TencentCloud APIs.

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InvalidParameterValue.Malformed Invalid input parameter format.
ResourceNotFound The resource does not exist.
UnsupportedOperation.VpcMismatch The resources are not in the same VPC.