> For the complete documentation index, see [llms.txt](https://paul-gleason.gitbook.io/cisco-ios-cheat-sheet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://paul-gleason.gitbook.io/cisco-ios-cheat-sheet/subsection/interfaces.md).

# Interfaces

### Configure Ports

To configure one port

```
Switch(config)#interface range FastEthernet 0/{port}
```

Allows you to control a range of interfaces from the start to stop port

```
Switch(config)#interface range FastEthernet 0/{start port}-{stop port}
```

### Port State