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Cisco 300-510 Exam - Topic 15 Question 82 Discussion

Refer to the exhibit.Refer to the exhibit. Company X is multihomed to a service provider. With the default settings, the link between PE2 and CE1 is the primary link, but company X has asked for the link between PE4 and CE2 to operate as the primary instead. A network engineer used a route map with local-preference to manipulate the routes from PE2 to CE1 to be less desirable and applied the route map on PE2 outbound to CE1. However, the path from PE2 to CE1 is still preferred. Which action must the engineer take so that the desired path is chosen?
B) Configure the AS path prepend attribute to increase the number of hops between CE2 and PE4.
A) Apply local-preference on PE2 outbound to CE2 with a value less than 100.
C) Configure the weight attribute on PE2 in the outbound direction to CE2 with a value less than 65535.
D) Apply MED in the outbound direction on PE2 to CE1 with a cost lower than the path from PE4 to CE2.

Cisco 300-510 Exam - Topic 15 Question 82 Discussion

Actual exam question for Cisco's 300-510 exam
Question #: 82
Topic #: 15
[All 300-510 Questions]

Refer to the exhibit.

Refer to the exhibit. Company X is multihomed to a service provider. With the default settings, the link between PE2 and CE1 is the primary link, but company X has asked for the link between PE4 and CE2 to operate as the primary instead. A network engineer used a route map with local-preference to manipulate the routes from PE2 to CE1 to be less desirable and applied the route map on PE2 outbound to CE1. However, the path from PE2 to CE1 is still preferred. Which action must the engineer take so that the desired path is chosen?

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Suggested Answer: B

by Daniel at Mar 18, 2024, 07:54 PM

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Oretha
9 months ago
MED might be a better choice, but I'm not sure if it will override the local-pref.
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Gennie
9 months ago
AS path prepending could work too, but it’s not as straightforward.
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Elena
10 months ago
Wait, why not just adjust the local-preference on PE2 to CE2?
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Lavonna
10 months ago
Definitely agree with that! Weight changes the preference directly.
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Katina
10 months ago
I think option C is the way to go. Weight is key here.
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Marge
10 months ago
I think AS path prepending could work, but I’m not entirely convinced it’s the best option. I feel like weight might be more effective in this case.
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Tamar
11 months ago
I’m a bit confused about the difference between local-preference and MED. I thought local-preference was always the primary factor in path selection.
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Moon
11 months ago
This question feels similar to one we practiced where we had to manipulate BGP attributes. I think using weight might be the right approach here.
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Corazon
11 months ago
I remember studying local-preference settings, but I’m not sure if applying it to CE2 would actually help in this scenario.
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Lavera
11 months ago
Based on the options provided, I think the answer is to configure the weight attribute on PE2 in the outbound direction to CE2 with a value less than 65535. This should make the path from PE4 to CE2 the preferred path.
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Caitlin
11 months ago
I'm a bit confused on the different BGP attributes and how they can be used to influence the path selection. I'll need to refresh my memory on the order of preference for these attributes.
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Valentine
11 months ago
Okay, let's see. The question says the engineer used a route map with local-preference to manipulate the routes from PE2 to CE1, but the path is still preferred. I think the key is to find a way to make the path from PE4 to CE2 more desirable.
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Rashad
11 months ago
Hmm, this looks like a tricky one. I'll need to carefully review the exhibit and the question to make sure I understand the network topology and the problem they're trying to solve.
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Dierdre
11 months ago
Ah, I see now. The local-preference change on PE2 to CE1 wasn't enough, so we need to do something on the other side to tip the scales. Configuring the weight attribute on PE2 to CE2 is a good strategy.
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Nobuko
11 months ago
I'm not sure about the purpose of the g_tcpdump command, but I think it might have something to do with collecting network traffic data. I'll need to review my notes on network monitoring tools to be more confident in my answer.
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Corrie
11 months ago
I'm a bit confused on this one. I'll need to review my notes on non-equijoin performance factors before deciding on the best approach.
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Marisha
11 months ago
CRUD sounds familiar, but I'm not convinced it's related to security policies. I might second-guess that one.
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Brandee
2 years ago
I think applying MED in the outbound direction on PE2 to CE1 with a cost lower than the path from PE4 to CE2 might do the trick.
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Magda
2 years ago
But wouldn't configuring the weight attribute on PE2 in the outbound direction to CE2 with a value less than 65535 be a better option?
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Terina
2 years ago
I disagree, I believe configuring the AS path prepend attribute to increase the number of hops between CE2 and PE4 is the correct action.
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Magda
2 years ago
I think the engineer should apply local-preference on PE2 outbound to CE2 with a value less than 100.
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Julene
2 years ago
It seems like there are multiple ways to achieve the desired path selection, it just depends on the specific network requirements.
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Asuncion
2 years ago
I think applying MED in the outbound direction on PE2 to CE1 with a cost lower than the path from PE4 to CE2 might also be a valid option.
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Jacquelyne
2 years ago
I think that could also work, as manipulating the weight attribute can influence the route selection.
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Lorrine
2 years ago
But what about configuring the weight attribute on PE2 in the outbound direction to CE2 with a value less than 65535?
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Earnestine
2 years ago
I agree, that could potentially make the path from PE4 to CE2 the preferred one.
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Zoila
2 years ago
I think the engineer should apply local-preference on PE2 outbound to CE2 with a value less than 100.
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Sylvie
2 years ago
Ooh, good thinking! The weight attribute would let the engineer directly influence the preference of the path. Much more straightforward than messing with local-preference.
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Jodi
2 years ago
Hey guys, have you considered the weight attribute? That could be the key to making the PE4 to CE2 path the primary one.
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Alaine
2 years ago
I agree, that's really strange. Maybe there's something else going on that's making the PE2 to CE1 path still preferred, even with the lower local-preference.
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Dewitt
2 years ago
D) Apply MED in the outbound direction on PE2 to CE1 with a cost lower than the path from PE4 to CE2.
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Vanna
2 years ago
C) Configure the weight attribute on PE2 in the outbound direction to CE2 with a value less than 65535.
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Theola
2 years ago
B) Configure the AS path prepend attribute to increase the number of hops between CE2 and PE4.
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Shenika
2 years ago
A) Apply local-preference on PE2 outbound to CE2 with a value less than 100.
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Curtis
2 years ago
Hmm, this is a tricky one. I'm not sure why the engineer's route map didn't work - the local-preference should have made the path through PE2 less desirable.
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