---
title: "detachNetworkInterface"
slug: "compute-vserver-networkinterface-detachnetworkinterface"
updated: 2026-09-17T10:06:00Z
published: 2026-09-17T10:06:00Z
canonical: "api.ncloud-docs.com/compute-vserver-networkinterface-detachnetworkinterface"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# detachNetworkInterface

Available in VPC

It releases the network interface assigned to the server instance.

              Note

              

The default network interface of server instance cannot be released.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| GET \| POST | /vserver/v2/detachNetworkInterface |

              Note

              

This guide is based on the GET method. POST method call tests can be performed through Swagger in the API Gateway service of the NAVER Cloud Platform console.

### Request headers

For information about the headers common to all Server APIs, see [Server request headers](/docs/en/compute-vserver#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request query parameters

You can use the following query parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `regionCode` | String | Optional | Region code - See [getRegionList](/docs/en/compute-vserver-server-common-getregionlist). - First Region in the query results (default) |
| `serverInstanceNo` | String | Required | Server instance number - See [getServerInstanceList](/docs/en/compute-vserver-server-getserverinstancelist). |
| `networkInterfaceNo` | String | Required | Network interface number - See [getNetworkInterfaceList](/docs/en/compute-vserver-networkinterface-getnetworkinterfacelist). |
| `subnetNo` | String | Required | Subnet number - See [getSubnetList](/docs/en/networking-vpc-subnetmanagement-getsubnetlist). |
| `responseFormatType` | String | Optional | Format of the response data - `xml` (default) \| `json` |

### Request example

The request example is as follows:

```
curl --location --request GET 'https://ncloud.apigw.ntruss.com/vserver/v2/detachNetworkInterface
?regionCode=KR
&serverInstanceNo=10*****61
&networkInterfaceNo=70***0
&subnetNo=3***5
&responseFormatType=json' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `detachNetworkInterfaceResponse` | Object | - | Response result - See [NetworkInterfaceList](/docs/en/common-vapidatatype-networkinterfacelist). |
| `detachNetworkInterfaceResponse.requestId` | String | - | ID for the request - UUID format |
| `detachNetworkInterfaceResponse.returnCode` | String | - | Response code |
| `detachNetworkInterfaceResponse.returnMessage` | String | - | Response message |

### Response status codes

For information about the response status codes common to all Server APIs, see [Server response status codes](/docs/en/compute-vserver#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
{
  "detachNetworkInterfaceResponse": {
    "totalRows": 1,
    "networkInterfaceList": [
      {
        "networkInterfaceNo": "70***0",
        "networkInterfaceName": "mynic",
        "subnetNo": "3***5",
        "deleteOnTermination": false,
        "isDefault": false,
        "deviceName": "eth1",
        "networkInterfaceStatus": {
          "code": "UNSET",
          "codeName": "Removing"
        },
        "instanceNo": "10*****61",
        "ip": "10.0.20.6",
        "macAddress": "F2:**:**:**:**:A3",
        "enableFlowLog": false,
        "accessControlGroupNoList": [],
        "networkInterfaceDescription": "",
        "secondaryIpList": []
      }
    ],
    "requestId": "38fe010e-****-****-****-e9ceef4ea347",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
```