---
title: kIOMediumEthernetAuto
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1645756-anonymous/kiomediumethernetauto
---

# kIOMediumEthernetAuto

## Declaration

```occ
kIOMediumEthernetAuto = ( IFM_AUTO    | IFM_ETHER )
```