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AssociateAddress

最后更新时间：2023-08-23 14:11:35

1. API Description

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

This API is used to bind an Elastic IP (EIP for short) to the specified private IP of an instance or ENI.

  • Binding an EIP to a CVM instance is actually binding the EIP to the primary private IP of the primary ENI on the CVM instance.
  • When an EIP is bound, the public IP previously bound to the CVM instance will be unbound and released automatically.
  • To bind another EIP to the private IP of the specified ENI, you must first unbind the EIP.
  • To bind an EIP to a NAT Gateway, use the API AssociateNatGatewayAddress.
  • An EIP cannot be bound if it’s overdue or blocked
  • Only EIP in the UNBIND status can be bound.

A maximum of 10 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: AssociateAddress.
Version Yes String Common Params. The value used for this API: 2017-03-12.
Region No String Common Params. This parameter is not required for this API.
AddressId Yes String The unique ID of the EIP, such as eip-11112222.
InstanceId No String The ID of the instance to be bound, such as ins-11112222, lb-11112222. You can query the instance ID by logging into the Console. You can also obtain the parameter value from the InstanceId field in the returned result of DescribeInstances API.
NetworkInterfaceId No String The ID of the ENI to be bonud, such as eni-11112222. NetworkInterfaceId and InstanceId cannot be specified at the same time. You can query the ENI ID by logging into the Console. You can also obtain the parameter value from the networkInterfaceId field in the returned result of DescribeNetworkInterfaces API.
PrivateIpAddress No String The private IP to be bound. If you specify NetworkInterfaceId, then you must also specify PrivateIpAddress, indicating the EIP is bound to the specified private IP of the specified ENI. At the same time, you must ensure the specified PrivateIpAddress is a private IP on the NetworkInterfaceId. You can query the private IP of the specified ENI by logging into the Console. You can also obtain the parameter value from the privateIpAddress field in the returned result of DescribeNetworkInterfaces API.
EipDirectConnection No Boolean Specify whether to configure direct access when binding EIPs. For details, see EIP Direct Access. Valid values: True and False (default). This parameter can be set to True when binding EIPs to a CVM instance or EKS cluster. It is in a beta test. To try it out, please submit a ticket.

3. Output Parameters

Parameter Name Type Description
TaskId String The async task ID. You can use the DescribeTaskResult API to query the task status.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Binding an EIP with an instance

This example shows you how to bind an EIP to an instance.

Input Example

POST / HTTP/1.1
Host: vpc.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: AssociateAddress
<Common request parameters>

{
    "InstanceId": "ins-1bmpb9tu",
    "AddressId": "eip-ek0cdz1g"
}

Output Example

{
    "Response": {
        "TaskId": "50121411",
        "RequestId": "3c140219-cfe9-470e-b241-907877d6fb03"
    }
}

5. Developer Resources

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
FailedOperation.AddressEniInfoNotFound The ENI information is not available in this address.
FailedOperation.TaskFailed Task execution failed.
InvalidAccount.NotSupported This account is not supported.
InvalidAddressId.Blocked The specified EIP is in blocked status. When the EIP is in blocked status, it cannot be bound. You must first unblock it.
InvalidAddressId.NotFound The specified EIP does not exist.
InvalidInstanceId.AlreadyBindEip The specified instance has already been bound to an EIP. You must unbind the current EIP first before binding another EIP.
InvalidInstanceId.NotFound Invalid instance ID. The specified instance ID does not exist.
InvalidNetworkInterfaceId.NotFound The specified NetworkInterfaceId does not exist or the specified PrivateIpAddress is not on the NetworkInterfaceId.
InvalidParameterConflict The two parameters cannot be specified at the same time, nor exist concurrently. EIP can only be bound to the instances or the specified private IPs of the specified ENIs.
InvalidParameterValue.AddressIdMalformed This IP address ID is invalid.
InvalidParameterValue.AddressNotApplicable An EIP cannot be bound with this type of instance.
InvalidParameterValue.AddressNotFound Unable to find the address.
InvalidParameterValue.Combination Invalid input parameters
InvalidParameterValue.InstanceDoesNotSupportAnycast This instance does not support an Anycast EIP.
InvalidParameterValue.InstanceHasNoWanIP The instance does not have a public IP.
InvalidParameterValue.InstanceHasWanIP This instance already has a WanIP (public IP).
InvalidParameterValue.InstanceIdMalformed Incorrect instance ID.
InvalidParameterValue.InstanceNoWanIP Request failed: this instance does not have a WanIP (public IP).
InvalidParameterValue.InstanceNormalPublicIpBlocked Failed to bind: this IP is restricted
InvalidParameterValue.InstanceNotMatchAssociateEni The ENI and the IP are bound with different instances.
InvalidParameterValue.InvalidInstanceInternetChargeType This IP is applicable only for pay-as-you-go instances that billed by hourly traffic and instances with bandwidth package.
InvalidParameterValue.InvalidInstanceState Operation failed: the status of the instance does not allow this operation.
InvalidParameterValue.LBAlreadyBindEip This CLB instance is already bound with an EIP.
InvalidParameterValue.MissingAssociateEntity The bound instance is missing.
InvalidParameterValue.NetworkInterfaceNotFound The network interface ID was not found. The private IP address may not be configured on the network interface.
InvalidParameterValue.ResourceNotSupport The resource does not support this operation.
InvalidPrivateIpAddress.AlreadyBindEip The specified private IP of the specified ENI has already been bound to an EIP. A private IP cannot be bound to more than one EIP.
LimitExceeded.InstanceAddressQuota Exceeded the upper limit of the EIPs bound to the instance.
MissingParameter Missing parameter.
OperationDenied.AddressInArrears The specified public IP is isolated.
OperationDenied.MutexTaskRunning Mutually exclusive tasks are executing.
UnsupportedOperation.ActionNotFound The port does not exist.
UnsupportedOperation.AddressIpNotSupportInstance The IP address bound with this instance does not support this operation
UnsupportedOperation.AddressStatusNotPermit This operation is not supported by the IP address status.
UnsupportedOperation.IncorrectAddressResourceType This type of address does not support this operation.
UnsupportedOperation.InstanceStateNotSupported This operation is not supported by the status of the instance bound with the IP address.
UnsupportedOperation.InvalidAction Unsupported operation.
UnsupportedOperation.InvalidAddressInternetChargeType This operation is not allowed under the network billing mode of the IP address.
UnsupportedOperation.IspNotSupported This ISP does not support this operation.
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