---
title: init()
framework: network
role: symbol
role_heading: Initializer
path: network/nwprotocolip/metadata/init()
---

# init()

Initializes an IP packet configuration with default settings.

## Declaration

```swift
init()
```

## See Also

### Sending IP Options

- [ecn](network/nwprotocolip/metadata/ecn.md)
- [NWProtocolIP.ECN](network/nwprotocolip/ecn.md)
- [serviceClass](network/nwprotocolip/metadata/serviceclass.md)