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

By Cisco · Question Mode

QuestionQ600

Layer 3 Technologies

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Refer to the exhibit. Which action causes route 192.168.2.2/32 to be installed in the routing table?

  • A Redistribute connected networks into BGP on the local router.
  • B Configure NAT on the local router to translate private IP addresses.
  • C Configure the next-hop-self attribute for the peering on the local router.
  • D Configure the next-hop-self attribute for the peering on the peer router.
Explanation

An iBGP advertisement normally retains the original BGP next hop. The route’s next hop, 209.165.200.225, is not reachable through the local routing table, so the route cannot be installed. Configuring next-hop-self on the peer router rewrites the advertised next hop to that peer’s reachable address, allowing the route to become valid and install in the routing table.

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