# DescribeCloudRouterAvailableVpcs

## 1. 接口描述

调用本接口用于查询可用于加入三层网络专线的VPC列表。

## 2. 请求参数

以下请求参数列表仅列出了接口中需要的请求参数

<table><thead><tr><th width="203">参数名称</th><th width="91">必选</th><th width="143">类型</th><th>描述</th></tr></thead><tbody><tr><td>vpcId</td><td>否</td><td>String</td><td>VPC ID。</td></tr><tr><td>pageNum</td><td>否</td><td>Integer</td><td><p>返回的分页数。</p><p>默认为1。</p></td></tr><tr><td>pageSize</td><td>否</td><td>Integer</td><td><p>返回的分页大小。</p><p>默认为20，最大为100。</p></td></tr></tbody></table>

## 3. 响应结果

<table><thead><tr><th width="136.33333333333331">参数名称</th><th width="302">类型</th><th>描述</th></tr></thead><tbody><tr><td>requestId</td><td>String</td><td><p>唯一请求 ID。</p><p>每次请求都会返回。定位问题时需要提供该次请求的 RequestId。</p></td></tr><tr><td>dataSet</td><td>Array of <a href="../../datastructure#cloudrouteravailablevpc">CloudRouterAvailableVpc</a></td><td>可加入三层网络的VPC列表。</td></tr><tr><td>totalCount</td><td>Integer</td><td>符合条件的VPC总数量。</td></tr></tbody></table>

## 4. 代码示例

{% tabs %}
{% tab title="示例" %}
**1. 获取可加入三层网络的VPC列表。**

<pre class="language-json"><code class="lang-json">POST /api/v2/sdn HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: DescribeCloudRouterAvailableVpcs
&#x3C;Common Request Params>

Request：
{}

Response：
{   
  "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3",
  "response": {
    "requestId":"TB1F3B1A1-DA70-4FF7-99D1-CEBEEFBAC95F",
    "totalCount":1,
    "dataSet":[
        {
            "vpcName":"VPC-MAD-A-01",
            "dataCenter":{
                "dcId":"MAD1",
                "cityName":"Madrid",
                "areaName":"Europe",
                "dcName":"Interxion_MAD2 ",
                "dcAddress":"Calle Albasanz, 73, Madrid, 28037, Spain",
                "countryName":"Spain"
            },
            "vpcId":"your-vpc-id",
            "cidrBlock":"10.0.0.0/8"
        }
    ]
<strong>  }
</strong>}
</code></pre>

{% endtab %}
{% endtabs %}

## 5. 开发者工具

Zenlayer Cloud API 2.0 提供了配套的[公共错误码](https://docs.console.zenlayer.com/api-reference/cn/api-introduction/toolkit)，未来会陆续支持更多开发语言，方便快速接入和使用Zenlayer的产品和服务。

## 6. 错误码

下面包含业务逻辑中遇到的错误码，其他错误码见[公共错误码](https://docs.console.zenlayer.com/api-reference/cn/api-introduction/instruction/commonerrorcode)

| HTTP状态码 | 错误码 | 说明 |
| ------- | --- | -- |
|         |     |    |


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