Disclaimer

Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 9.1.16-h5, 10.1.11-h10, 11.0.4-h6

The earliest recollection of this bug is traced back to PAN-OS 10.1.12 - July 22, 2025. This bug is fixed in PAN-OS versions 10.1.12, 9.1.17, 11.0.5. Fixed an issue on firewalls on active/active HA configurations where packets dropped during commit operations when forwarding traffic via an HA3 link when an aggregate ethernet interface or data interface was used as an HA3 link. Fixed an issue on firewalls on active/active HA configurations where packets dropped during commit operations when forwarding traffic via an HA3 link when an Aggregate Ethernet interface or data interface was used as an HA3 link. For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-12-known-and-addressed-issues/pan-os-10-1-12-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-release-notes/pan-os-11-0-5-known-and-addressed-issues/pan-os-11-0-5-addressed-issues https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-17-addressed-issues