---
title: quic.num_packets.late_acked
summary: null
url: >-
  https://www.fastly.com/documentation/reference/vcl/variables/client-connection/quic-num-packets-late-acked
---

**Type:** INTEGER  
**Access:** read-only

**Available in:** recv, hash, deliver, log

Total number of packets for which acknowledgements were received after they
were declared lost by the server.
This usually suggests a high degree of reordering in the network.