Explain the role of vBond in Cisco SD-WAN bootstrap and certificate-based enrollment.

• A. vBond authenticates new devices, provides current vSmart/vManage reachability, and guides devices to enroll with vManage using certificates during initial bootstrap.
• B. vBond configures QoS policies.
• C. vBond manages VPNs.
• D. vBond handles data-plane encryption.

Answer: (A)

vBond serves as the bootstrap orchestrator that gets a new Cisco SD-WAN device into the fabric. On first boot, the device uses its pre-provisioned identity to contact vBond, which authenticates the device and confirms it’s allowed to join the network. vBond then provides the device with current reachability to the SD-WAN controllers (vSmart and vManage) so the device knows where to connect. It also guides the device through certificate-based enrollment, coordinating with the certificate authority and vManage so the device obtains a valid certificate and enrolls to receive its full fabric configuration. Once enrolled, the device can join the overlay and start exchanging policies via vManage through vSmart.

vBond does not configure QoS policies, manage VPNs, or handle the data-plane encryption itself. QoS and VPN management are handled by vManage/vSmart, and the actual data-plane encryption is established as part of the overlay tunnels between devices, not by vBond.