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.
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