---
title: persistTimeout
framework: network
role: symbol
role_heading: Instance Property
path: network/nwprotocoltcp/options/persisttimeout
---

# persistTimeout

The TCP persist timeout, in seconds, as defined by RFC 6429.

## Declaration

```swift
var persistTimeout: Int { get set }
```

## See Also

### Setting Timeouts

- [connectionTimeout](network/nwprotocoltcp/options/connectiontimeout.md)
- [connectionDropTime](network/nwprotocoltcp/options/connectiondroptime.md)