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A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. If CE1 sends an IP packet to 192.168.200.1, which of the following is FALSE?
Suggested Answer: C
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33 comments · newest first
AR
Aretha
11 months ago
C is also questionable, not sure about that one.
AN
An
11 months ago
Wait, two labels? That’s new to me!
DO
Doyle
11 months ago
Agree, B seems incorrect.
VI
Vicky
11 months ago
I think B is the false one. Sounds off.
DE
Dean
12 months ago
CE1 definitely forwards the packet to PE1.
GI
Gilma
12 months ago
For option D, I think CSC-PE1 does pop the BGP label, but I'm uncertain about the VPN and MPLS transport labels being pushed afterward.
ST
Stephania
1 year ago
I feel like CSC-CE1 popping the LDP label and swapping the BGP label sounds right, but I might be mixing up the roles of the devices.
TA
Tamekia
1 year ago
I think PE1 does push two labels, but I can't recall if it's specifically a BGP label and an LDP label. It seems similar to a practice question we did.
RO
Rodolfo
1 year ago
I remember that in a VPRN setup, the CE device forwards packets to the PE, but I'm not sure if it's always through the VPRN interface.
ME
Melvin
1 year ago
This is a good test of my knowledge on CSC VPRNs. I'm feeling confident I can identify the false statement based on my understanding of the label operations.
JO
Joesph
1 year ago
I'm a bit confused by all the different labels and devices involved. I'll need to carefully read through the question and exhibit to make sure I understand the flow of the packet.
BE
Becky
1 year ago
Okay, let's think this through step-by-step. CE1 sends the packet to PE1, then PE1 adds the BGP and LDP labels. After that, the CSC-CE1 and CSC-PE1 devices handle the label operations. I think I can work this out.
LI
Lizbeth
1 year ago
Hmm, I'm a little unsure about the specifics of the label operations here. I'll need to review my notes on MPLS and VPN label stacking.
LA
Laquita
1 year ago
This question seems pretty straightforward. I think I've got a good handle on the concepts of CSC VPRN and label switching.
LA
Lauran
1 year ago
Oof, these VPRN questions are tough. I'm gonna go with Option A, it's the most comprehensive answer.
PA
Paola
1 year ago
Wait, so we're supposed to identify the false statement? I'm going with Option B, it just doesn't sound right to me.
LA
Lavonda
1 year ago
User3: Yeah, Option B doesn't sound right to me either.
SA
Sabine
1 year ago
User2: I agree, let's go with that.
DU
Dulce
1 year ago
User1: I think Option B is correct, it does seem a bit off.
GR
Gracia
1 year ago
Haha, these networking questions really make my head spin! But I'm pretty sure Option D is the one that's false.
LE
Leoma
1 year ago
User 3: So, which option do you think is correct then?
CA
Carla
1 year ago
User 2: Option D does seem like the odd one out.
AL
Alpha
1 year ago
User 1: I agree, these networking questions can be tricky.
FA
Farrah
1 year ago
I think Option C is false. CSC-PE1 should pop the BGP label and swap the VPN label, not push an LDP label.
NO
Noelia
1 year ago
User3: CSC-CE1 pops the LDP label and swaps the BGP label.
ES
Estrella
1 year ago
User2: I think PE1 pushes a VPN label, a BGP label, and an LDP transport label on the IP packet.
GO
Goldie
1 year ago
User1: I agree, Option C seems incorrect.
JE
Jeanice
2 years ago
Option A seems to be the correct answer. The packet would have a VPN label, a BGP label, and an LDP transport label.
LI
Lisha
1 year ago
User 2: Yeah, I agree. The packet would have all those labels.
CI
Ciara
1 year ago
User 1: I think option A is correct.
JA
Jamal
2 years ago
Why do you think C is the correct answer?
LI
Lilli
2 years ago
I disagree, I believe the answer is C.
JA
Jamal
2 years ago
I think the answer is A.