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Refer to the exhibit. Cisco SD-WAN is deployed with controllers hosted in a data center. All branches have WAN Edge devices with dual connections to the data center: one via Internet and the other using MPLS. Three branches out of 20 have issues with their control connections on MPLS circuit. The local error refers to Control Connection Failure. Which action resolves the issue?
Correct Answer: B
The "DCONFAIL" error is a result of an underlying routing issue, according to Cisco white papers, the steps outlined are: - The next hop route is not reachable - The default gateway is not installed in the RIB (Routing Information Base) - The Datagram Transport Layer Security port is not open. All of the above alludes to routing in the SD-WAN network fabric. https://www.cisco.com/c/en/us/support/docs/routers/sd-wan/214509-troubleshoot-control- connections.html#toc-hId--1851267275