How is a sub-second failure of a transport link detected in a Cisco SD-WAN network?

A. Hellos are sent between the WAN Edge routers and the vSmart controller.

B. BFD runs on the IPsec tunnels between WAN Edge routers.

C. BGP is used between WAN Edge routers and the vSmart controller.

D. Link state change messages are sent between vSmart controllers.








 

Suggested Answer: B



This question is in 300-420 Designing Cisco Enterprise Networks (ENSLD) Exam
For getting Cisco Certified Network Professional Enterprise (CCNP Enterprise) Certificate





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