Cisco
300-415 · Question #31
300-415 Question #31: Real Exam Question with Answer & Explanation
The correct answer is D: connectivity issue. The 'DCONFAIL DTLS connection failure' message on a vEdge router indicates a problem establishing the Datagram Transport Layer Security (DTLS) tunnel.
WAN Edge Router Deployment
Question
An engineer is troubleshooting a vEdge router and identifies a "DCONFAIL ?DTLS connection failure" message. What is the problem?
Options
- Amemory issue
- Bcertificate mismatch
- Corganization mismatch
- Dconnectivity issue
Explanation
The 'DCONFAIL DTLS connection failure' message on a vEdge router indicates a problem establishing the Datagram Transport Layer Security (DTLS) tunnel.
Common mistakes.
- A. Memory issues usually manifest as performance problems or system instability, not specifically as a DTLS connection failure message.
- B. A certificate mismatch would typically generate a more specific error message related to certificate validation or authentication failure.
- C. An organization mismatch prevents the vEdge from joining the fabric, leading to specific 'organization name mismatch' errors rather than a generic DTLS connection failure.
Concept tested. Troubleshooting SD-WAN control plane connectivity
Topics
#DTLS troubleshooting#vEdge connectivity#Control plane failure#SD-WAN errors
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