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Which of the following about BGP loops in a VPRN environment is TRUE?
Suggested Answer: A
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35 comments · newest first
DA
Danilo
11 months ago
D is spot on, 'remove-private' works as described.
RU
Rusty
11 months ago
C is correct, I've seen it in action.
MO
Mozelle
11 months ago
Wait, so the Nokia 7750 SR just rejects those routes? That's surprising!
QU
Quiana
11 months ago
I disagree with A, I think there are ways to detect loops.
JE
Jerry
12 months ago
A is definitely true, traditional methods struggle in VPRN.
CA
Carmen
12 months ago
I definitely remember something about 'remove-private' in relation to PE configurations, so option D might be the right choice.
SH
Sherill
1 year ago
I’m a bit confused about option B; I feel like it relates to how customer sites interact, but I can't recall the specifics.
AV
Avery
1 year ago
I think option C sounds familiar because I practiced a question about the Nokia 7750 SR rejecting AS_PATH loops.
ZO
Zona
1 year ago
I remember studying BGP loop detection, but I'm not sure if traditional methods apply in a VPRN context.
SH
Shanda
1 year ago
Alright, let's think this through step-by-step. The question is asking about BGP loops in a VPRN, so I need to consider how the VPRN architecture might impact traditional BGP loop detection. I'll carefully evaluate each option.
CA
Caprice
1 year ago
I'm a bit confused by the wording of the question. What exactly is a "VPRN scenario"? I'll need to make sure I understand the context before I can confidently select an answer.
MI
Miesha
1 year ago
Ah, I remember learning about this in class. I think the key is understanding how the customer's BGP AS numbers are handled in a VPRN. I'll focus on that as I work through the options.
RO
Ronny
1 year ago
Okay, let's see. I know BGP loops can be an issue, but I'm not sure how that applies specifically to a VPRN setup. I'll need to review my notes on VPRN configurations.
WE
Weldon
1 year ago
Hmm, this looks like a tricky BGP question. I'll need to think carefully about the VPRN environment and how that might impact traditional BGP loop detection.
KI
King
1 year ago
If I had a nickel for every time I encountered a BGP loop in a VPRN, I'd have enough to buy a fancy new router. Or maybe just a cup of coffee.
AA
Aaron
1 year ago
I'm just hoping I don't get a question about the 'remove-private' feature on my exam. That sounds like a real brain-teaser!
JO
Johnetta
1 year ago
Option D is interesting, but it doesn't directly address the question about BGP loops in a VPRN environment. Removing private AS numbers is a different topic.
FR
Freida
1 year ago
C) The Nokia 7750 SR rejects routes containing AS_PATH loops by default.
HA
Halina
1 year ago
B) BGP loops are detected in a VPRN when the customer has separate sites using the same BGP autonomous system number.
JO
Josue
1 year ago
A) Traditional BGP loop detection mechanisms are unable to detect a loop in a VPRN scenario.
AG
Agustin
1 year ago
I'm not sure about the specifics of Nokia's implementation, but Option C sounds plausible. They probably have safeguards against AS_PATH loops.
NE
Nell
1 year ago
It's always good to have measures in place to avoid any potential routing issues in a VPRN setup.
LA
Lavera
1 year ago
I agree, having the Nokia 7750 SR reject routes containing AS_PATH loops by default can help prevent BGP loops.
VI
Vince
1 year ago
Option C does make sense. It's important to have safeguards against AS_PATH loops in a VPRN environment.
NO
Novella
1 year ago
If 'remove-private' is configured at a PE, private AS numbers will be removed from routes received from the associated CE.
PA
Pa
1 year ago
I think traditional BGP loop detection mechanisms might struggle in a VPRN environment.
CA
Carri
1 year ago
Option C does make sense. It's important to have safeguards against AS_PATH loops.
AL
Altha
2 years ago
I'm not sure, but I think the answer might be D.
FR
Franklyn
2 years ago
I disagree, I believe the answer is C.
CH
Cherry
2 years ago
Option B seems to be the correct answer. BGP loops can occur when a customer has separate sites using the same AS number.
RO
Roosevelt
1 year ago
Absolutely, proper configuration and monitoring can help avoid issues with BGP loops.
ME
Melodie
1 year ago
Yes, it's crucial to prevent BGP loops to ensure network stability.
PA
Paola
1 year ago
It's important to be aware of that possibility when setting up a VPRN environment.
HA
Haydee
1 year ago
I agree, option B is correct. BGP loops can definitely occur in that scenario.
MA
Marisha
2 years ago
I think the answer is B.