# ModifyNetworkInterfaceAttribute

## 1. API Description

This API (ModifyNetworkInterfaceAttribute) is used to modify the attributes of the vNIC.

{% hint style="info" %} <mark style="color:blue;">**Note**</mark>

<mark style="color:blue;">If the vNIC is already bound to the specified security group, the request will succeed without an error.</mark>
{% endhint %}

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name  | Required | Type   | Description                                                                                                                                                                                                   |
| --------------- | -------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| nicId           | Yes      | String | ID of the vNIC.                                                                                                                                                                                               |
| name            | No       | String | <p>vNIC name.</p><p>The length is 2 to 63 characters. Only letters, numbers, -/\_ and periods (.) are supported. The name must start and end with a number or a letter.</p>                                   |
| securityGroupId | No       | String | <p>Target security group ID bound to the vNIC.</p><p>Currently, a vNIC can be associated with only one security group.</p><p>Specifying this field will unbind the original security group from the vNIC.</p> |

## 3. Output Parameters

| Parameter Name | Type   | Description                                                                                                           |
| -------------- | ------ | --------------------------------------------------------------------------------------------------------------------- |
| requestId      | String | <p>The unique request ID, which is returned for each request.</p><p>RequestId is required for locating a problem.</p> |

## 4. Code Example

{% tabs %}
{% tab title="Example" %}
**Modify the vNIC name and associated security group.**

```json
POST /api/v2/zec HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: ModifyNetworkInterfaceAttribute
<Common Request Params>

Request：
{
  "nicId": "<nicId>",
  "name": "Test-vNIC",
  "securityGroupId": "<securityGroupId>"
}

Response：
{
  "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3",
  "response": {
    "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3"
  }
}
```

{% endtab %}
{% endtabs %}

## 5. Developer Resources

Zenlayer Cloud API 2.0 integrates [SDKs](/api-reference/api-introduction/toolkit/api-sdk.md)，to make it easier for you to call APIs. More programming languages will be supported.

## 6. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see [Common Error Codes](/api-reference/api-introduction/instruction/commonerrorcode.md).

| HTTP Status Code | Error Code                           | Description                                       |
| ---------------- | ------------------------------------ | ------------------------------------------------- |
| 404              | INVALID\_NIC\_NOT\_FOUND             | vNIC does not exist.                              |
| 404              | INVALID\_SECURITY\_GROUP\_NOT\_FOUND | The specified security group does not exist.      |
| 400              | INVALID\_NIC\_STATUS                 | Current vNIC state does not allow this operation. |


---

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