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Router R6 is a route reflector for clients R1, R2 and R5. Router R5 is configured with a local preference of 200. On which routers is "advertise-external* needed for router R6 to receive exactly two distinct routes for prefix 192.168.1.0/27?
Suggested Answer: C
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30 comments · newest first
CA
Cathrine
6 months ago
I’m confused about the local preference. Does it affect the answer?
MA
Malinda
7 months ago
I agree with Jeannetta. C is the best choice for distinct routes.
TI
Timothy
7 months ago
D seems too broad. I don't think all routers need it.
DA
Dalene
7 months ago
I’m leaning towards A. Just R5 should be enough.
JE
Jeannetta
7 months ago
I feel like C makes more sense. Both R1 and R2 need to advertise.
IR
Ira
7 months ago
This question is tricky! I think it's B.
GE
Georgeanna
8 months ago
Surprised this is even a question! Thought it was common knowledge.
ME
Merilyn
8 months ago
Totally agree with C! Both need to advertise for distinct routes.
DO
Dominga
8 months ago
Wait, why would we need it on all routers? Seems off.
JU
Juliann
8 months ago
I think it's C) On both routers R1 and R2.
FR
Frederick
9 months ago
Hmm, "advertise-external" - sounds like a superhero power to me!
VI
Vinnie
9 months ago
B) is the way to go. Gotta keep it simple, right?
LA
Lamonica
9 months ago
D) is just overkill. Why configure all routers when you only need R1 and R2?
GL
Gladys
9 months ago
C) seems correct, as both R1 and R2 need the "advertise-external" config for R6 to get two routes.
TE
Teresita
9 months ago
I vaguely recall that "advertise-external" is crucial for route reflectors to function properly, so it might be needed on both R1 and R2 to get two distinct routes.
MI
Michal
9 months ago
I’m a bit confused about the local preference aspect. Does that affect whether "advertise-external" is needed on R1 and R2?
SE
Selma
10 months ago
Alright, I'm going to sketch out the topology and try to visualize the BGP decision process. That should help me identify the right routers to configure.
RA
Rachael
10 months ago
I think the key is understanding how the local preference setting on R5 affects the route selection. If I can get R1 or R2 to advertise an external route, that might do the trick.
BU
Bulah
10 months ago
I think I practiced a similar question where we had to determine the necessary configurations for route reflectors. I feel like it might just be R5 that needs it.
TR
Tresa
10 months ago
I remember something about route reflectors needing specific configurations to avoid loops, but I'm not sure if "advertise-external" is required on all routers or just some.
CO
Cortney
10 months ago
I'm a bit confused by the "advertise-external" requirement. Does that mean I need to configure something on the routers to get the external routes to R6?
HA
Harrison
11 months ago
B) makes sense, since R6 needs to receive two distinct routes for the prefix.
VI
Virgie
11 months ago
A) On router R5 only. That's the right call.
MA
Mari
11 months ago
Okay, let me think this through step-by-step. R6 is the route reflector, and R5 has a higher local preference, so I'll need to figure out how to get two distinct routes to R6.
TI
Tiffiny
11 months ago
Hmm, this looks like a tricky BGP routing question. I'll need to carefully consider the topology and configuration details.
LO
Louvenia
6 months ago
All routers might be overkill, right?
MI
Micaela
6 months ago
I’m leaning towards option A.
CA
Carol
6 months ago
But what about option C?
GI
Gilberto
6 months ago
I think option B makes sense.
GL
Glory
6 months ago
This is definitely a tough one!