# 路由

例子：添加一条静态路由

```
ip route add 192.168.56.0/24 via 192.168.56.2 dev eth0
```

### 检查工具

traceroute 使用 ICMP 协议

tracepath 默认使用随机 UDP 端口，可指定端口号


---

# 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://viva.gitbook.io/project/sui-bi/linux/lu-you.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.