> For the complete documentation index, see [llms.txt](https://docs.bestip.one/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bestip.one/ming-ling-xing-can-shu/interface.md).

# interface

```
  -i string
    	指定测速使用的网卡
```