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300-415 · Question #235

Which component is responsible for creating and maintaining the secure DTLS/TLS connection on the vSmart controller?

The correct answer is A. vdaemon. The vdaemon component within the vSmart controller is responsible for establishing and maintaining the secure DTLS/TLS connections, which are fundamental for control plane communication in the Cisco SD-WAN fabric.

Architecture

Question

Which component is responsible for creating and maintaining the secure DTLS/TLS connection on the vSmart controller?

Options

  • Avdaemon
  • BOMP
  • CSNMP
  • DNETCONF

How the community answered

(21 responses)
  • A
    86% (18)
  • B
    10% (2)
  • C
    5% (1)

Why each option

The vdaemon component within the vSmart controller is responsible for establishing and maintaining the secure DTLS/TLS connections, which are fundamental for control plane communication in the Cisco SD-WAN fabric.

AvdaemonCorrect

The vdaemon process on a vSmart controller manages the secure DTLS/TLS control plane connections with other SD-WAN components like vManage, vBond, and WAN Edge devices. These secure tunnels are essential for the trustworthy exchange of routing and policy information across the overlay network.

BOMP

OMP (Overlay Management Protocol) is the routing protocol that runs *over* the secure DTLS/TLS connections, exchanging reachability and policy information, but it does not create the underlying secure tunnels.

CSNMP

SNMP (Simple Network Management Protocol) is used for network monitoring, not for establishing secure control plane connections in Cisco SD-WAN.

DNETCONF

NETCONF (Network Configuration Protocol) is used for programmatic configuration management, but it relies on an underlying secure transport, it does not create the DTLS/TLS connections themselves.

Concept tested: vSmart control plane security components

Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/install-upgrade-vmanage-vbond-vsmart.html

Topics

#vSmart controller#DTLS/TLS#control plane security#vdaemon

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