> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/glossary/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/glossary/s/switch.md).

# Switch

A networking device that connects devices on a local area network (LAN) and forwards data between them. Switches are used to create a LAN and improve network performance.