Disclaimer

Hotfix versions were inferred because the vendor did not list them explicitly: 10.1.9 Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 10.2.3-h14, 11.0.0-h4

The earliest recollection of this bug is traced back to PAN-OS 10.1.9-h1 - July 22, 2025. This bug is fixed in PAN-OS versions 10.2.4, 10.1.9-h1, 11.0.1. ( PA-5400 Series only ) Fixed an issue where packets were not transmitted from the firewall if its fragments were received on different slots. This occurred when aggregate ethernet (AE) members in an AE interface were placed on a different slot. For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-9-known-and-addressed-issues/pan-os-10-1-9-h1-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-4-known-and-addressed-issues/pan-os-10-2-4-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-release-notes/pan-os-11-0-1-known-and-addressed-issues/pan-os-11-0-1-addressed-issues