Operational Defect Database

BugZero updated this defect 77 days ago.

Palo Alto Networks | PAN-145942

After upgrading to certain PAN-OS 8.1 and 9.0 versions, for certain configurations using dynamic routing without graceful restart and with Bidirectional Forwarding Detection (BFD) enabled, there was a longer traffic hit after an HA failover compared to previous versions. This was due to BFD incorrectly timing admin-down messages for the failover event.

Last update date:

5/2/2024

Affected products:

Pan OS

Affected releases:

No affected releases provided.

Fixed releases:

8.1.16

Description:

The earliest recollection of this bug is traced back to PAN-OS 8.1.16 - May 02, 2024. This bug is fixed in PAN-OS versions 8.1.16. After upgrading to certain PAN-OS 8.1 and 9.0 versions, for certain configurations using dynamic routing without graceful restart and with Bidirectional Forwarding Detection (BFD) enabled, there was a longer traffic hit after an HA failover compared to previous versions. This was due to BFD incorrectly timing admin-down messages for the failover event. For more information: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-16-addressed-issues

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