Changing the IP Address of an Instance

This API is used to select a specified iMetal instance and change its IP address.

The iMetal instance must be ready (commissioned successfully) or the IP address fails to be changed and the iMetal instance is powered off.

For details, see Calling APIs.

PUT /v1/{project_id}/instances/{id}/ip

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID. Constraints N/A Range Project ID of the account. Default Value N/A
id	Yes	String	Definition Instance ID, which is returned in the response to the CreateInstance request. Constraints N/A Range N/A Default Value N/A

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition Requests for calling an API can be authenticated using a token. If token-based authentication is used, this parameter is mandatory and must be set to a user token. Constraints N/A Range N/A Default Value N/A

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
vpc_id	No	String	Definition ID of the VPC which the network interface to be created belongs to. You can query the ID using the VPC API: https://support.huaweicloud.com/intl/en-us/api-vpc/vpc_api01_0003.html. Constraints N/A Range VPC ID Default Value N/A
nics	No	Array of Nic objects	Definition NIC information. Constraints N/A

**Table 4** Nic
Parameter	Mandatory	Type	Description
subnet_id	Yes	String	Definition ID of the CloudDCN subnet which the created network interface belongs to. You can query the ID using the CloudDCN API: https://support.huaweicloud.com/intl/en-us/api-vpc/vpc_subnet01_0003.html. Constraints N/A Range ID of the CloudDCN subnet. Default Value N/A
ip_address	No	String	Definition Static IP address specified during network interface creation. This parameter is invalid during batch installation. If this parameter is left blank or set to "", an unused IP address in the subnet is automatically assigned. If this parameter is specified, its value must be an unused IP address in the CIDR block of the subnet. Constraints N/A Range Static IP address of the subnet. Default Value N/A

Status code: 202

The IP address of the instance has been changed.

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
error_code	String	Definition Error code.
error_msg	String	Definition Error description.

Status code: 401

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Definition Error code.
error_msg	String	Definition Error description.

Status code: 429

**Table 7** Response body parameters
Parameter	Type	Description
-	String

Status code: 500

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	Definition Error code.
error_msg	String	Definition Error description.

Changing the IP address of an instance

PUT https://{endpoint}/v1/{project_id}/instances/{id}/ip

None

Status Code	Description
202	The IP address of the instance has been changed.
400	Invalid request parameter.
401	The request is not authenticated.
429	The request is overloaded.
500	Internal server error.