---
title: useMinimumMTU
framework: network
role: symbol
role_heading: Instance Property
path: network/nwprotocolip/options/useminimummtu
---

# useMinimumMTU

A Boolean indicating that the connection uses the  minimum MTU value, which is 1280 bytes for IPv6.

## Declaration

```swift
var useMinimumMTU: Bool { get set }
```

## See Also

### Customizing IP Behavior

- [shouldCalculateReceiveTime](network/nwprotocolip/options/shouldcalculatereceivetime.md)
- [hopLimit](network/nwprotocolip/options/hoplimit.md)
- [disableFragmentation](network/nwprotocolip/options/disablefragmentation.md)