---
title: IFNET_FAMILY_TUN
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1644627-anonymous/ifnet_family_tun
---

# IFNET_FAMILY_TUN

## Declaration

```occ
IFNET_FAMILY_TUN = 4
```

## Discussion

Discussion A tunnel interface.