Which elements does the controller verify to authenticate an edge device?
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Correct answer: certificates, organization name, and serial number of the device.
Why this is the answer
When an edge device (vEdge or cEdge) attempts to join the SD-WAN fabric, the controllers (vManage, vSmart, vBond) perform a mutual authentication process. This process relies on three key elements. First, the device's digital certificate is validated against the trusted root CA. Second, the organization name embedded in the certificate and configured on the device must match the organization name configured on vManage. Third, the device's serial number, also present in its certificate, must match the serial number listed in the vManage inventory. These three elements collectively ensure that only authorized and correctly provisioned devices can join the SD-WAN overlay. System IP and vBond domain are important for connectivity and routing but are not part of the initial device authentication process.
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