选择您要连接到三层网络的边缘网关。
如果您还没有所需的边缘网关，可以点击 **创建新的边缘网关** 来创建一个新的。更多详情请参阅 [**边缘网关创建**](/welcome/cn/elastic-compute/get-started/manage-networking/create-a-border-gateway.md)。
{% hint style="info" %} **注意**
默认情况下，每个三层网络中只能添加一个弹性算力边缘网关。
{% endhint %}
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.console.zenlayer.com/welcome/cn/cloud-networking/get-started/create-a-layer-3-connection/select-elastic-compute-as-access-point.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.