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Cisco Exam 300-510 Topic 4 Question 77 Discussion

Actual exam question for Cisco's 300-510 exam
Question #: 77
Topic #: 4
[All 300-510 Questions]

Refer to the exhibit.

IS-IS is the routing protocol on the network. After the team noticed excessive CPU usage on all routers, particularly routers R2 and R6, they configured route summarization on all routers. However, a network engineer noticed that summary routes and more specific routes are present in the routing table on R1. Which action must the team take so that R1 receives only the summary routes?

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Suggested Answer: B

by Kirk at Dec 10, 2023, 03:41 PM

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Theodora
6 months ago
Yeah, that makes sense to me too. Isolating the summarization to specific routers should help clean up the routing table on R1.
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Candida
6 months ago
Hmm, I'm leaning towards option B. Configuring R3 to perform summarization for Level 1 routers and R6 to perform summarization for Level 2 routers seems like it would solve the issue on R1.
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Genevive
6 months ago
I agree. The key seems to be that R1 is receiving both summary routes and more specific routes, which is causing the issue. We need to find a way to ensure R1 only receives the summary routes.
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Hyman
5 months ago
In the end, the goal is to optimize the routing table and reduce CPU usage without causing any disruptions.
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Esteban
5 months ago
True, different routers may have different roles to play in the overall network design.
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Chantell
5 months ago
It could be related to the traffic patterns or the hierarchy of the network.
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Jettie
5 months ago
I see your point, but maybe there is a reason why they chose R3 and R6 specifically for this network.
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Ahmad
5 months ago
But wouldn't it be better to have a consistent approach for all routers, like configuring R2 and R4 for summarization?
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Jackie
5 months ago
That makes sense. By configuring R3 and R6 for different levels, we can control which routes R1 receives.
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Laurel
5 months ago
B) Configure R3 to perform summarization for Level 1 routers, and configure R6 to perform summarization for Level 2 routers.
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Ines
6 months ago
This question seems a bit tricky. We need to understand the network topology and the role of each router to determine the appropriate summarization configuration.
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