---
title: router
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/neipv4settings/router
---

# router

The address of the next-hop gateway router represented as a dotted decimal string.

## Declaration

```swift
var router: String? { get set }
```

## Discussion

Discussion The system ignores this property for TUN interfaces.

## See Also

### Accessing IPv4 properties

- [addresses](networkextension/neipv4settings/addresses.md)
- [subnetMasks](networkextension/neipv4settings/subnetmasks.md)