300-510 Implementing Cisco Service Provider Advanced Routing Solutions (SPRI)

An engineer applied the configuration on R1 to prevent network 192.168.1.0/24 from being propagated outside of area 5. After the change, users have reported they are not able to access any of the application servers that were working before. While checking the routing table of the peer router, the engineer notices R1 stopped propagating any routes outside area 5. Which action must be taken to fix the problem?

Refer to the exhibit. An engineer applied the configuration on R1 to prevent network 192.168.1.0/24 from being propagated outside of area 5. After the change, users have reported they are not able to access any of the application servers that were working before. While checking the routing table of the peer router, the engineer notices R1 stopped propagating any routes outside area 5. Which action must be taken to fix the problem?

  • A. Change the prefix-list action to permit and add an explicit deny statement for network 192.168.1.0/24
  • B. Add a permit statement for 0.0.0.0/0 le 32 to the end of the prefix-list to override the implicit deny
  • C. Reconfigure the filter-list statement to apply in the inbound direction
  • D. Configure an additional filter-list on R1 for inbound traffic to allow external routes into area 5
Answer: Option B.
Explanation: 

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