Cisco
300-415 · Question #117
300-415 Question #117: Real Exam Question with Answer & Explanation
The correct answer is A: BFD. For data plane resiliency, Cisco SD-WAN software implements Bidirectional Forwarding Detection (BFD) to ensure rapid detection of path failures.
Architecture
Question
For data plane resiliency, what does the Cisco SD-WAN software implement?
Options
- ABFD
- Bestablishing affinity between vSmart controllers and WAN Edge routers
- Cmultiple vBond orchestrators
- DOMP
Explanation
For data plane resiliency, Cisco SD-WAN software implements Bidirectional Forwarding Detection (BFD) to ensure rapid detection of path failures.
Common mistakes.
- B. Establishing affinity between vSmart controllers and WAN Edge routers is related to control plane stability and load distribution, not direct data plane resiliency.
- C. Multiple vBond orchestrators provide redundancy for the orchestration plane, ensuring continuous device onboarding and initial setup, not ongoing data plane traffic forwarding resiliency.
- D. OMP (Overlay Management Protocol) is a control plane protocol responsible for exchanging routing, service, and TLOC information, but it does not actively monitor data plane link failures.
Concept tested. Data plane resiliency in Cisco SD-WAN (BFD)
Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/m-sdwan-bfd.html
Topics
#BFD#Data Plane Resiliency#SD-WAN#WAN Edge
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