# CreateDhcpOptionsSet

## 1. API Description

This API (CreateDhcpOptionsSet) is used to create a DHCP options set.

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name        | Required | Type                                                                                                   | Description                                                                                                                                                           |
| --------------------- | -------- | ------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| dhcpOptionsSetName    | Yes      | String                                                                                                 | <p>Name of the DHCP options set.</p><p>The length must be between 1 and 64 characters.</p>                                                                            |
| domainNameServers     | Yes      | String                                                                                                 | <p>DNS server IP.</p><p>Up to 4 DNS server IPv4s can be passed in, separated by a comma (,).</p>                                                                      |
| ipv6DomainNameServers | No       | String                                                                                                 | <p>DNS server IP.</p><p>Up to 4 DNS server IPv6s can be passed in, separated by a comma (,).</p>                                                                      |
| leaseTime             | No       | String                                                                                                 | <p>Lease duration for the IPv4 DHCP options set.</p><p>Unit: h.</p><p>Value range: 24 - 1176 or 87600 - 175200 .</p><p>Default value: 24.</p><p>Default value: 24</p> |
| ipv6LeaseTime         | No       | String                                                                                                 | <p>Lease duration for the IPv6 DHCP options set.</p><p>Unit: h.</p><p>Value range: 24 - 1176 or 87600 - 175200 .</p><p>Default value: 24.</p><p>Default value: 24</p> |
| tags                  | No       | [TagAssociation](https://docs.console.zenlayer.com/api-reference/compute/datastructure#tagassociation) | <p>The tags associated with creating resources.</p><p>Note: The associated <code>tag keys</code> must be unique.</p>                                                  |
| resourceGroupId       | No       | String                                                                                                 | <p>Resource Group ID</p><p>If not specified, it will belong to the default resource group.</p>                                                                        |
| description           | No       | String                                                                                                 | <p>DHCP options set description information.</p><p>The length is up to 255 characters.</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> |
| dhcpOptionsSetId | String | DHCP options set ID.                                                                                                  |

## 4. Code Example

{% tabs %}
{% tab title="Example" %}
**Create a DHCP options set.**

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

Request：
{
  "dhcpOptionsSetName": "dhcpOptionsSetName-1",
  "domainNameServers": "88.88.88.88",
  "leaseTime": "168"
}

Response：
{
  "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3",
  "response": {
    "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3",
    "dhcpOptionsSetId": "dhcpOptionsSetId1"
  }
}
```

{% endtab %}
{% endtabs %}

## 5. Developer Resources

Zenlayer Cloud API 2.0 integrates [SDKs](https://docs.console.zenlayer.com/api-reference/api-introduction/toolkit/api-sdk)，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](https://docs.console.zenlayer.com/api-reference/api-introduction/instruction/commonerrorcode).

| HTTP Status Code | Error Code                                 | Description                                                  |
| ---------------- | ------------------------------------------ | ------------------------------------------------------------ |
| 400              | INVALID\_DHCP\_OPTIONS\_SET\_IP\_DUPLICATE | Duplicate IP in the DHCP options set.                        |
| 400              | INVALID\_DHCP\_OPTIONS\_SET\_IP\_LIMIT     | The number of IPs in the DHCP options set exceeds the limit. |
| 400              | INVALID\_DHCP\_OPTIONS\_SET\_LEASE\_TIME   | Invalid lease duration format for the DHCP options set.      |
| 400              | INVALID\_IP\_FORMAT                        | Invalid IP format.                                           |