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Exam JN0-349 All Questions

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Exam JN0-349 topic 1 question 11 discussion

Actual exam question from Juniper's JN0-349
Question #: 11
Topic #: 1
[All JN0-349 Questions]

Your router is learning the 172.25.11.0/24 prefix from both the BGP and OSPF protocols. A routing policy is configured on your device to advertise the prefix to an established BGP peer but the peer is not receiving the prefix. You want to allow the prefix to be advertised to the BGP peer.
What should you do on this router to satisfy this requirement?

  • A. Enable the automatic removal of peer AS information from the prefix.
  • B. Enable the advertisement of inactive BGP routes.
  • C. Enable the automatic removal of private AS numbers from the prefix.
  • D. Enable the automatic refreshing of BGP routes.
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Suggested Answer: B 🗳️

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julin_10
11 months, 2 weeks ago
Selected Answer: B
The issue described suggests that the router is learning the 172.25.11.0/24 prefix from both BGP and OSPF, but the prefix is not being advertised to the BGP peer. To allow the prefix to be advertised to the BGP peer, you need to check the BGP routing policy. Among the options provided, enabling the advertisement of inactive BGP routes (Option B) is a potential solution. In Juniper routers, BGP by default does not advertise routes that are not considered "active." If the route is learned from OSPF, it might be considered inactive in the BGP table. Enabling the advertisement of inactive BGP routes can help in advertising the prefix to the BGP peer. So, the correct option would be: B. Enable the advertisement of inactive BGP routes.
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