Huawei
H12-841_V1.5 · Question #136
In an MPLS VPN network, when a PE device forwards data packets to a CE device, if the PE device fails to remove the inner VPN label, which of the following problems will occur?
The correct answer is A. The CE device cannot recognize the tag and discards the data packet. See the full explanation below for the reasoning.
Intelligent O&M and Troubleshooting in Campus Networks
Question
In an MPLS VPN network, when a PE device forwards data packets to a CE device, if the PE device fails to remove the inner VPN label, which of the following problems will occur?
Options
- AThe CE device cannot recognize the tag and discards the data packet.
- BThe P device is unable to forward data packets (missing public network label).
- CThe PE device automatically re-labels and then forwards the data.
- DData packets are forwarded to the CE device normally, without affecting services.
How the community answered
(33 responses)- A73% (24)
- B15% (5)
- C3% (1)
- D9% (3)
Topics
#MPLS VPN#VPN label removal#PE-CE forwarding#inner label
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