> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/api-reference/compute/zec/instance/stopipforward.md).

# StopIpForward

## 1. API Description

This API (StopIpForward) is used to disables IP forwarding on the specified elastic compute instance. After disabling, the instance will no longer forward network traffic destined for other hosts.

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

<mark style="color:blue;">Only operations on instances that are in powered-off or power-on state are supported.</mark>
{% endhint %}

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name | Required | Type   | Description         |
| -------------- | -------- | ------ | ------------------- |
| instanceId     | Yes      | String | ID of the instance. |

## 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" %}
**Disable IP forwarding of the instance**

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

Request:
{
  "instanceId": "instanceId1"
}

Response:
{
  "requestId": "TEEFDCA5B-76FB-4E91-A18E-DF7F5D2CE41F",
}
```

{% 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\_INSTANCE\_NOT\_FOUND            | Instance not found.                                         |
| 400              | UNSUPPORTED\_OPERATION\_INSTANCE\_STATUS | Operations on instances in current state are not supported. |