Huawei
H12-891_V1.0 · Question #485
In the MPLS VPN network, when data packets enter the public network and are forwarded, they will be encapsulated with two layers of MPLS labels. Which of the following descriptions of the packet…
The correct answer is C. The data packet pops the outer label on the penultimate hop device and then forwards it to the D. The Egress PE device correctly sends the data packet to the corresponding VPN based on the. See the full explanation below for the reasoning.
MPLS and VPN Technologies
Question
In the MPLS VPN network, when data packets enter the public network and are forwarded, they will be encapsulated with two layers of MPLS labels. Which of the following descriptions of the packet processing process are correct? (Multiple choice)
Options
- AThe egress PE device receives IP data packets without labels.
- BThe outer label of the data packet received by the penultimate hop device is 3
- CThe data packet pops the outer label on the penultimate hop device and then forwards it to the
- DThe Egress PE device correctly sends the data packet to the corresponding VPN based on the
How the community answered
(34 responses)- A12% (4)
- B18% (6)
- C71% (24)
Topics
#MPLS VPN#label stack#penultimate hop popping#egress PE processing
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