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The earliest recollection of this bug is traced back to PAN-OS 8.1.19 - July 22, 2025. This bug is fixed in PAN-OS versions 9.1.8, 8.1.19, 8.1.20. Improved QoS scheduling for Bidirectional Forwarding Detection (BFD) and BGP to address the internal handling of BGP and BFD packets under high resource constraints For more information: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-19-addressed-issues https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-20-addressed-issues https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-8-addressed-issues
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