Help Center/ Elastic Cloud Server/ API Reference/ APIs/ NIC Management/ Updating NIC Attachment Information of an ECS

Updated on 2025-06-27 GMT+08:00

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Updating NIC Attachment Information of an ECS

Function

This API is used to update the NIC attachment information of an ECS. Currently, only delete_on_determination can be updated.

URI

PUT /v1/{project_id}/cloudservers/{server_id}/os-interface/{port_id}

Table 1 describes the parameters in the URI.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID. For details about how to obtain the ID, see Obtaining a Project ID.
server_id	Yes	Specifies the ECS ID.
port_id	Yes	Specifies the NIC ID.

Request

Table 2 describes the request parameters.

**Table 2** Request parameters
Parameter	Mandatory	Type	Description
interface_attachment	Yes	Object	Specifies the structure of the ECS NIC information to be updated. For details, see Table 3.

**Table 3** **interface_attachment** data structure
Parameter	Mandatory	Type	Description
delete_on_termination	Yes	Boolean	Specifies whether to delete a NIC when detaching it. true: Delete the NIC. false: Do not delete the NIC.

Response

None

Example Request

PUT  https://{endpoint}/v1/{project_id}/cloudservers/{server_id}/os-interface/{port_id}

{
    "interface_attachment":
    {
         "delete_on_termination": true
    }
}