In a Cisco SD-WAN solution, how is the health of a data plane tunnel monitored?
A. with IP SLA
B. ARP probing
C. using BFD
D. with OMP
Answer:C
In a Cisco SD-WAN solution, how is the health of a data plane tunnel monitored?
A. with IP SLA B. ARP probing C. using BFD D. with OMP
Explanation: The BFD (Bidirectional Forwarding Detection) is a protocol that detects link failures as part of the Cisco SD-WAN (Viptela) high availability solution, is enabled by default on all vEdge routers, and you cannot disable it.