The earliest recollection of this bug is traced back to PAN-OS 10.1.0 - July 22, 2025. There is an issue on M-500 Panorama management servers where any ethernet interface with an IPv6 address having Private PAN-DB-URL connectivity only supports the following format: 2001:DB9:85A3:0:0:8A2E:370:2 . There is an issue on M-500 Panorama management servers where any Ethernet interface with an IPv6 address having Private PAN-DB-URL connectivity supports only the following format: 2001:DB9:85A3:0:0:8A2E:370:2 . 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