The earliest recollection of this bug is traced back to PAN-OS 10.1.0 - July 29, 2024. In the current release, SD-WAN auto-provisioning configures hubs and branches in a hub and spoke model, where branches don’t communicate with each other. Expected branch routes are for generic prefixes, which can be configured in the hub and advertised to all branches. Branches with unique prefixes are not published up to the hub. Workaround: Add any specific prefixes for branches to the hub advertise-list configuration. 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