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Assuming a full iBGP mesh in ISP 1, how does router R1 in ISP 1 handle a BGP update received from ISP 2?
Suggested Answer: C
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36 comments · newest first
ME
Mertie
11 months ago
I agree with B, but I can see why some might think C.
DO
Dorsey
11 months ago
Wait, why would it go to all routers? Seems off.
CR
Crista
11 months ago
Definitely option B! That's how iBGP works.
TH
Thaddeus
11 months ago
I think it only goes to R2 and R3, not all.
BE
Bernardine
12 months ago
The update goes to all routers in ISP 1.
TE
Teddy
12 months ago
I thought updates were only sent to directly connected peers, so maybe it's just R2 and R3, like in option B?
AR
Ariel
1 year ago
I practiced a similar question, and I feel like it might just go to R2 and R3, but I can't recall the exact details.
SA
Sanjuana
1 year ago
I remember something about updates being sent to all peers in a full mesh, so maybe it's option C?
OW
Owen
1 year ago
I think the update goes to all routers in ISP 1, but I'm not completely sure if that's how iBGP works.
EL
Eliseo
1 year ago
Alright, time to apply my BGP knowledge. I'll analyze the options and eliminate the incorrect ones to find the best answer.
CA
Carry
1 year ago
I've got a good handle on iBGP, so I'm confident I can figure out the right way router R1 would handle this update.
GE
Gearldine
1 year ago
Ugh, BGP can be so confusing sometimes. I'll have to review the iBGP rules and propagation before answering this.
MA
Macy
1 year ago
Okay, let me visualize the network topology and BGP update flow. I think I can work this out step-by-step.
CO
Cortney
1 year ago
Hmm, this looks like a tricky BGP question. I'll need to think through the full iBGP mesh scenario carefully.
JO
Jose
1 year ago
I'm a little confused by this question. The different plan names sound similar, and I'm not sure I fully understand the differences between them. I'll have to review my notes and try to distinguish them more clearly before answering.
RE
Rebbecca
1 year ago
Option C, no doubt about it. I'm just hoping the test doesn't ask me to draw the full mesh diagram from memory. That would be a real brain-teaser!
AN
Annmarie
1 year ago
Let's just hope the test focuses more on theory than on drawing diagrams.
BA
Barrett
1 year ago
Yeah, drawing the full mesh diagram from memory would definitely be challenging.
EL
Elly
1 year ago
I agree, option C is the correct choice.
NA
Nana
2 years ago
I'm leaning towards B, but I'm also curious if the answer has something to do with the 'ISP 2' part of the question. Maybe it's not as straightforward as it seems.
DA
Daniela
1 year ago
Dyan: True, it might not be as straightforward as it seems.
JU
Jutta
1 year ago
User 3: Could be, but C also seems like a possibility.
DY
Dyan
1 year ago
User 2: Maybe it has to do with the connection to ISP 2.
JU
Justine
1 year ago
User 1: I think the answer might be B.
TR
Troy
2 years ago
Haha, trick question! In a full iBGP mesh, the update should be sent to all routers in ISP 1. C is the way to go.
GE
Gerald
1 year ago
User 2: Yeah, you're right. In a full iBGP mesh, that's how it works.
ON
Oneida
1 year ago
User 1: I think the answer is C, the update is sent to all routers in ISP 1.
FR
Franchesca
2 years ago
I'm not sure about this one. My gut tells me it's D, but I'd need to double-check the BGP behavior in a full mesh topology.
YU
Yuki
2 years ago
Why do you think it's D?
HE
Henriette
2 years ago
Option C seems the most logical choice, as in a full iBGP mesh, the BGP update should be sent to all routers in the ISP 1 network.
NI
Nickole
1 year ago
C: So, it looks like option C is the best choice here.
EL
Elizabeth
1 year ago
A: That's true, but in a full iBGP mesh, it's common practice to send updates to all routers.
KI
Kizzy
1 year ago
B: But wouldn't it be more efficient to just send it to specific routers?
WA
Wayne
2 years ago
A: I think option C is correct, the update should be sent to all routers in ISP 1.
AL
Alline
2 years ago
I disagree, I believe the answer is D.
YU
Yuki
2 years ago
I think the answer is C.