---
title: nw_ip_version_4
framework: network
role: symbol
role_heading: Global Variable
path: network/nw_ip_version_4
---

# nw_ip_version_4

Require IP version 4.

## Declaration

```swift
var nw_ip_version_4: nw_ip_version_t { get }
```

## See Also

### Versions

- [nw_ip_version_any](network/nw_ip_version_any.md)
- [nw_ip_version_6](network/nw_ip_version_6.md)