# 交换机类

## mininet.node.Switch

表示一个交换机的基类。

运行在 root 名字空间。主要包括 dpid、listenport 等属性。

## mininet.node.IVSSwitch

表示一台 indigo 交换机（需要系统中已存在）。

## mininet.node.OVSLegacyKernelSwitch

传统的 openvswitch 交换机，基于 ovs-openflowd。不推荐。

## mininet.node.OVSSwitch

表示一台 openvswitch 交换机（需要系统中已经安装并配置好 openvswitch），基于 ovs-vsctl 进行操作。目前所谓的 OVSKernelSwitch 实际上就是 OVSSwitch

## mininet.node.UserSwitch

用户态的 openflow 参考交换机，即 ofdatapath。不推荐。


---

# 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://yeasy.gitbook.io/mininet_book/module_node/switch.md?ask=<question>
```

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.