300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

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QuestionQ501

Layer 3 Technologies

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Refer to the exhibit. TCP traffic should reach host 10.10.10.10/24 through R2. Which action resolves the issue?

  • A Allow TCP in the access list with no changes to the route map.
  • B Add a permit 20 statement in the route map to allow TCP traffic.
  • C TCP traffic will reach the destination via R2 without any changes.
  • D Set IP next-hop to 10.10.12.2 under the route-map permit 10 to allow TCP traffic.
Explanation

Policy-based routing applies the route map to packets that match its ACL. Because UDP-ACL permits only UDP, TCP does not match route-map sequence 10 and does not receive the configured next hop 10.10.11.2 toward R2. Adding a TCP permit to that ACL causes TCP to match the existing route-map entry and be forwarded via R2.

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