---
title: lim_rtt_variance
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 13.0+]
path: kernel/if_lim_perf_stat/3943908-lim_rtt_variance
---

# lim_rtt_variance

## Declaration

```occ
u_int64_t lim_rtt_variance;
```