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Exam JN0-663 topic 1 question 23 discussion

Actual exam question from Juniper's JN0-663
Question #: 23
Topic #: 1
[All JN0-663 Questions]


Your network connects two segments of your customer's network as shown in the exhibit. They need to exchange routes between Segment 1 and Segment 2 but both segments use the same AS number.
Which two steps will accomplish this task? (Choose two.)

  • A. Configure the routing-options autonomous-system loops 1 parameter on routers R1 and R4.
  • B. Configure the BGP group with the advertise-peer-as parameter on routers R2 and R3.
  • C. Configure the routing-options autonomous-system loops 1 parameter on routers R2 and R3.
  • D. Configure the BGP group with the as-override parameter on routers R1 and R4.
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Suggested Answer: AB 🗳️

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somanyquestions
Highly Voted 3 years, 6 months ago
AB on A however I think it should be "routing-options autonomous-system loops 2" on routers R1 and R4. https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/topic-map/autonomous-systems.html#id-example-enabling-bgp-route-advertisements
upvoted 5 times
magmartin
2 years, 9 months ago
from the explanation in the juniper web you are right, it suggests that you have to configure "loops (n+1)" if you want to allow "n" occurrences of your AS number in the received AS path. But I have checked this in the lab and it works if you configure "loops n" to allow "n" occurrences of your AS number. So, I think is a mistake on the wording in the juniper web.
upvoted 1 times
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oceans1908
Most Recent 3 years, 2 months ago
Correct
upvoted 2 times
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minmon_6789
3 years, 6 months ago
A and B are correct. We need to do both of them.
upvoted 2 times
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definity
3 years, 9 months ago
https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/topic-map/autonomous-systems.html#id-example-enabling-bgp-route-advertisements
upvoted 2 times
Totalstranger
2 years, 8 months ago
this works Routing-option as loop - not working BGP family inet loop - working
upvoted 1 times
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