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300-415 · Question #438

300-415 Question #438: Real Exam Question with Answer & Explanation

The correct answer is A: outbound, toward sites 101 and 103. A centralized route policy applied outbound toward sites 101 and 103 modifies the routes those sites receive, causing them to forward VPN 1 traffic through the firewall service at site 102.

Policies

Question

Based on the provided SDWAN topology and route configuration, to steer VPN 1 traffic from sites 101 and 103 through the firewall at site 102, how must the centralized route policy be applied?

Options

  • Aoutbound, toward sites 101 and 103
  • Binbound, toward sites 101 and 103
  • Coutbound, toward site 102
  • Dinbound, toward site 102

Explanation

A centralized route policy applied outbound toward sites 101 and 103 modifies the routes those sites receive, causing them to forward VPN 1 traffic through the firewall service at site 102.

Common mistakes.

  • B. Inbound toward sites 101 and 103 means the policy processes routes those sites advertise into the vSmart, affecting what the vSmart stores rather than what routing information the sites receive.
  • C. Applying the policy outbound toward site 102 modifies routes sent to the firewall hub, not the routes that sites 101 and 103 use to forward traffic, so service insertion at 102 would not be triggered.
  • D. Inbound toward site 102 processes routes advertised by the firewall site into the vSmart and has no effect on how sites 101 and 103 route their traffic.

Concept tested. SD-WAN centralized route policy direction for service insertion

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/policies/ios-xe-17/policies-book-xe/centralized-policy.html

Topics

#Centralized Route Policy#Traffic Steering#vSmart Policies#Policy Application

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