300-510 SPRI: Implementing Cisco Service Provider Advanced Routing SolutionsDemo

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QuestionQ34

Routing Policy and Manipulation

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Refer to the exhibit. An engineer employed by a private telecommunication company, with employee ID 1234:09:567, implemented this configuration on Router1. What is its effect?

  • A Router 1 receives only one best path from neighbor 192.168.1.1
  • B Router 1 sends only one best path to neighbor 192.168.1.1
  • C Router 1 sends up to three paths to neighbor 192.168.1.1 for all routes
  • D Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
Explanation

BGP Additional Paths is enabled for both sending and receiving with neighbor 192.168.1.1. The group-best selection policy marks the best path from each same-AS path group as eligible, and advertise additional-paths group-best advertises those selected paths to the neighbor. Therefore, multiple group-best paths can be exchanged over the BGP session.

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