Which two mechanisms are used by vManage to ensure that the certificate serial number of the WAN Edge router that is needed to authenticate is listed in the WAN Edge Authorized Serial Number list?…

PnP (Plug-and-Play) is a service that facilitates device onboarding using the Smart Account, but vManage's direct authorization mechanism for serial numbers is synchronization with the Smart Account itself, not PnP.

vManage is not shipped with customer-specific WAN Edge serial number lists; it obtains this information dynamically or through administrator input.

vManage can synchronize directly with a Cisco Smart Account, which maintains a definitive list of authorized serial numbers for all purchased Cisco SD-WAN devices. This mechanism automatically populates and updates the authorized device list in vManage.

Administrators have the option to manually upload a file containing a list of WAN Edge serial numbers and chassis IDs to vManage. This method provides flexibility for specific deployment scenarios or devices not managed through a Smart Account.

WAN Edge devices register to vManage *after* their serial numbers are authorized; they do not directly populate the authorized serial number list as they come online.