---
title: nw_interface_type_loopback
framework: network
role: symbol
role_heading: Global Variable
path: network/nw_interface_type_loopback
---

# nw_interface_type_loopback

The network interface type used for communication over local loopback networks.

## Declaration

```swift
var nw_interface_type_loopback: nw_interface_type_t { get }
```

## See Also

### Interface types

- [nw_interface_type_wifi](network/nw_interface_type_wifi.md)
- [nw_interface_type_cellular](network/nw_interface_type_cellular.md)
- [nw_interface_type_wired](network/nw_interface_type_wired.md)
- [nw_interface_type_other](network/nw_interface_type_other.md)