tencent cloud



最后更新时间:2022-09-05 10:34:29

1. API Description

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

This API is used to create an ENI.

  • You can specify private IP addresses and a primary IP when creating an ENI. The specified private IP must be in the same subnet as the ENI and is not occupied.
  • When creating an ENI, you can specify the number of private IP addresses that you want to apply for. The system will randomly generate private IP addresses.
  • An ENI can only be bound with a limited number of IP addresses. For more information about resource limits, see ENI Use Limits.
  • You can bind an existing security group when creating an ENI.
  • You can bind a tag when creating an ENI. The tag list in the response indicates the tags that have been successfully added.


    This API is async. You can call the DescribeVpcTaskResult API to query the task result. When the task is completed, you can continue other tasks.

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

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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 Params. The value used for this API: CreateNetworkInterface.
Version Yes String Common Params. The value used for this API: 2017-03-12.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
VpcId Yes String The ID of the VPC instance. You can obtain the parameter value from the VpcId field in the returned result of DescribeVpcs API.
NetworkInterfaceName Yes String The name of the ENI. The maximum length is 60 characters.
SubnetId Yes String The subnet instance ID of the ENI, such as subnet-0ap8nwca.
NetworkInterfaceDescription No String ENI description can be named freely, but the maximum length is 60 characters.
SecondaryPrivateIpAddressCount No Integer The number of private IP addresses that is newly applied for. The total number of private IP addresses cannot exceed the quota.
SecurityGroupIds.N No Array of String Specifies the security group to be bound with, such as ['sg-1dd51d'].
PrivateIpAddresses.N No Array of PrivateIpAddressSpecification The information of the specified private IPs. You can specify a maximum of 10 each time.
Tags.N No Array of Tag Bound tags, such as [{"Key": "city", "Value": "shanghai"}].
TrunkingFlag No String Configuration of the ENI trunking mode. Valid values: Enable and Disable. Default value: Disable.

3. Output Parameters

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

4. Example

Example1 Creating an ENI

Input Example

&<Common request parameters>

Output Example

    "Response": {
        "NetworkInterface": {
            "NetworkInterfaceId": "eni-irk5qhhl",
            "VpcId": "vpc-0akbol5v",
            "SubnetId": "subnet-76r802pg",
            "NetworkInterfaceName": "TestNIC",
            "NetworkInterfaceDescription": "TestDesc",
            "MacAddress": "20:90:6F:62:33:E2",
            "Business": "xx",
            "CdcId": "xx",
            "EniType": 1,
            "AttachType": 1,
            "PrivateIpAddressSet": [
                    "PrivateIpAddress": "",
                    "Primary": true,
                    "AddressId": "",
                    "PublicIpAddress": "",
                    "Description": "",
                    "IsWanIpBlocked": false,
                    "State": "PENDING"
            "Attachment": null,
            "GroupSet": [],
            "Primary": false,
            "State": "PENDING",
            "Zone": "",
            "CreatedTime": "",
            "Ipv6AddressSet": [],
            "TagSet": [
                    "Key": "city",
                    "Value": "shanghai"
        "RequestId": "5cf1a813-d4f8-4e0c-8f90-c155a84a3ea1"

5. Developer Resources


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
FailedOperation.NetDetectTimeOut Network probe timed out. Please retry later.
InvalidParameterValue Incorrect parameter value.
InvalidParameterValue.LimitExceeded The parameter value exceeds the limit.
InvalidParameterValue.Malformed Invalid input parameter format.
InvalidParameterValue.Range The parameter value is not in the specified range.
InvalidParameterValue.Reserved The parameter value is retained by the system.
InvalidParameterValue.TooLong Invalid parameter value. The parameter value is too long.
LimitExceeded Quota limit is reached.
LimitExceeded.TagNotEnoughQuota Insufficient tag quota.
MissingParameter Missing parameter.
ResourceInUse The resource is occupied.
ResourceInsufficient Insufficient resources.
ResourceNotFound The resource does not exist.
UnsupportedOperation Unsupported operation.
UnsupportedOperation.ResourceMismatch The resource ID entered does not match with any resource bound with the IP. Check and try again.




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