Disclaimer

Hotfix versions were inferred because the vendor did not list them explicitly: 10.2.8-h1, 10.2.8-h2, 10.2.8-h3, 10.2.8-h4, 10.2.8-h5, 10.2.8-h6, 10.2.8-h7, 10.2.8-h8, 10.2.8-h9

The earliest recollection of this bug is traced back to PAN-OS 10.2.10 - July 15, 2026. This bug is fixed in PAN-OS versions 10.2.8-h10, 10.2.10. Fixed an issue on firewalls in HA configurations where packets were dropped over HA3 HSCI due to the default MRU being incorrect. For more information: https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-10-known-and-addressed-issues/pan-os-10-2-10-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-h10-addressed-issues