300-440 · Question #87
Diagnosing Cisco SD-WAN policy issues often involves checking which of the following?
The correct answer is C. Application-aware routing configurations. Application-aware routing (AAR) configurations are central to SD-WAN policy because SD-WAN's core value proposition is steering traffic based on application identity and real-time path performance - AAR policies define how applications map to SLAs and which WAN transport paths…
Question
Options
- AThe status of all VPN tunnels
- BAll user permissions
- CApplication-aware routing configurations
- DOSPF cost metrics
How the community answered
(62 responses)- A5% (3)
- B11% (7)
- C82% (51)
- D2% (1)
Explanation
Application-aware routing (AAR) configurations are central to SD-WAN policy because SD-WAN's core value proposition is steering traffic based on application identity and real-time path performance - AAR policies define how applications map to SLAs and which WAN transport paths they should use, making them the primary target when diagnosing policy misbehavior.
Why the distractors are wrong:
- A (VPN tunnel status) - Tunnel health is a connectivity concern, not a policy concern; tunnels can be up while policy is misconfigured.
- B (User permissions) - SD-WAN policy operates at the network/transport layer and is not governed by user-level permissions.
- D (OSPF cost metrics) - SD-WAN uses its own overlay routing and SLA metrics, not traditional OSPF cost; OSPF may exist in the underlay but is not where SD-WAN policy decisions live.
Memory tip: Think "SD-WAN = Application DNA" - the whole point of SD-WAN over traditional WAN is application awareness, so when something goes wrong with policy, you always start with AAR configs.
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