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Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R1?
Suggested Answer: D
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33 comments · newest first
OL
Oliva
11 months ago
Wait, R6 is configured with "advertise-external"? That's unexpected!
RU
Ruth
11 months ago
Totally agree, R5's preference should take precedence here.
TI
Tijuana
11 months ago
Not sure about that, seems like R6's "advertise-external" could change things.
CH
Cherelle
11 months ago
I think R5's local preference of 200 will influence the output.
ER
Eric
12 months ago
R1 is a route reflector for R2, R5, and R6.
TH
Theresia
12 months ago
I feel like I need to double-check how the show command displays routes based on the local preference and the route reflector setup. This is tricky!
MA
Marylyn
1 year ago
I think I recall that "advertise-external" means R6 will share external routes, but I'm a bit confused about how that interacts with the prefixes from R3.
SH
Shelia
1 year ago
This question feels similar to one we practiced where we had to analyze BGP attributes. I think the local preference from R5 might play a big role here.
DA
Dannette
1 year ago
I remember something about route reflectors and how they handle prefixes, but I'm not entirely sure how the local preference affects the output.
CL
Claudia
1 year ago
This is a good example of how important it is to understand the nuances of BGP behavior. The "advertise-external" config on R6 is a key detail that can easily trip you up if you're not familiar with it. I'll make sure to carefully read through the question and exhibit before answering.
ST
Stephane
1 year ago
I think I've got a handle on this. R1 will see the prefix from R5 with the higher local preference, and it will also see the prefix from R3 that R6 is advertising due to the "advertise-external" config. I'll double-check my understanding before selecting the answer.
LE
Leota
1 year ago
I'm a bit confused about the "advertise-external" configuration on R6. How exactly does that impact the routing information that R1 will see? I'll need to review the BGP best path selection process to figure this out.
DA
Danica
1 year ago
Okay, let me think this through step-by-step. R1 is the route reflector, and R5 has a local preference of 200 for its prefixes. R6 is configured with "advertise-external", so that should affect the output on R1.
BO
Bobbye
1 year ago
Hmm, this looks like a tricky BGP question. I'll need to carefully analyze the network topology and configuration details to determine the expected output.
GO
Goldie
1 year ago
This is a tricky one. I know the Product Owner has the final say, but the question specifically asks about the Development Team. I'll need to really focus on the Scrum framework to figure out the correct answer.
LE
Leota
2 years ago
Option B seems like the most logical choice, but you never know what tricks these exam questions have up their sleeve. Better double-check my work!
SU
Sue
2 years ago
Haha, this question reminds me of the time I got my BGP routes all mixed up. Gotta stay on my toes for this one!
DA
Dahlia
2 years ago
Yeah, Option C makes the most sense based on the scenario.
NA
Nan
2 years ago
I agree, Option C seems like the correct choice.
CO
Cordelia
2 years ago
I think the expected output would be Option C.
KA
Karina
2 years ago
Hmm, I'm torn between Options B and C. The local pref on R5's routes should make them preferred, but R6's 'advertise-external' might also play a role. Time to brush up on my BGP knowledge!
YA
Yan
2 years ago
Definitely, let's revisit our BGP knowledge to make an informed decision.
LO
Louis
2 years ago
True, it's a tricky situation. We should review our BGP concepts to be sure.
YU
Yun
2 years ago
I agree, but we shouldn't discount the impact of R6's 'advertise-external' setting.
FL
Flo
2 years ago
I think the local preference on R5's routes will take precedence.
BR
Brice
2 years ago
I'm not sure, but I think I would go with Option A as well. It makes sense considering the scenario given.
DA
Daron
2 years ago
I agree with Olive, Option A seems to be the correct choice based on the configuration mentioned.
OL
Olive
2 years ago
I think the answer is Option A because router R6 is configured with 'advertise-external'.
CH
Chantay
2 years ago
This is a tricky one! The local preference of 200 on R5's prefixes is a good hint, but we need to consider the 'advertise-external' configuration on R6 as well.
MI
Miesha
2 years ago
True, that could also play a role in the output of the command.
CO
Colene
2 years ago
But don't forget about the local preference of 200 on R5's prefixes.
VE
Vernell
2 years ago
I agree, the 'advertise-external' configuration on R6 will impact the output.
BO
Bo
2 years ago
I think the expected output would be Option C.