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Cisco 300-510 Exam - Topic 12 Question 62 Discussion

Refer to the exhibit.Refer to the exhibit. Company A established BGP sessions with several ISPs. A network engineer at the company must filter out all traffic except for routes that transit AS 152. The engineer configured the filtering policy ''permit _152S_(_[0.9])'' on R1, but after applying the configuration, the engineer notices that other routes are still visible. Which action resolves the issue?
A) Option A
B) Option B
C) Option C
D) Option D

Cisco 300-510 Exam - Topic 12 Question 62 Discussion

Actual exam question for Cisco's 300-510 exam
Question #: 62
Topic #: 12
[All 300-510 Questions]

Refer to the exhibit.

Refer to the exhibit. Company A established BGP sessions with several ISPs. A network engineer at the company must filter out all traffic except for routes that transit AS 152. The engineer configured the filtering policy ''permit _152S_(_[0.9])'' on R1, but after applying the configuration, the engineer notices that other routes are still visible. Which action resolves the issue?

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Suggested Answer: A

by Lauran at Dec 29, 2022, 11:57 AM

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Haydee
10 months ago
This seems off, I thought filtering was straightforward in BGP.
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Kathrine
10 months ago
Wait, are we sure that AS 152 is even advertising routes?
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Nakita
10 months ago
Totally agree, it’s all about the right match criteria!
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Gladys
11 months ago
I think the issue might be with the route map configuration.
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Solange
11 months ago
The filtering policy should be set correctly to only permit AS 152 routes.
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Ettie
11 months ago
I thought the "permit" command would work, but it seems like there might be a missing step. Did we discuss how to apply the route map correctly to the BGP session?
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Alesia
11 months ago
I feel like I’ve seen a similar scenario before, but I can't recall what the exact command was to resolve the issue. Maybe it involves modifying the route map?
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Ammie
11 months ago
This reminds me of a practice question where we had to filter routes based on AS numbers. I think we might need to check the route map configuration again.
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Nan
11 months ago
I remember studying BGP filtering, but I'm not sure if "permit _152S_(_[0.9])" is the right syntax for this. Did we cover that in class?
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Cecily
11 months ago
Okay, let's see. I think the upload status in the hash control screen could give us a clue, so I'll go with option A.
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Effie
11 months ago
Hmm, I'm a bit unsure about this one. I know a node needs an IP address, but I'm not sure about the other requirement.
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