Huawei
H12-841_V1.5 · Question #192
In an MPLS VPN network, when a PE device forwards VPN packets to a P device, if the PE device does not encapsulate a public network label, which of the following problems will occur?
The correct answer is A. The P device cannot identify the packet forwarding path and discards the 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 VPN packets to a P device, if the PE device does not encapsulate a public network label, which of the following problems will occur?
Options
- AThe P device cannot identify the packet forwarding path and discards the packet.
- BThe CE device cannot receive data packets (VPN label missing).
- CThe PE device automatically re-encapsulates the public network label before forwarding.
- DData packets are forwarded normally to the target PE device without affecting services.
How the community answered
(52 responses)- A83% (43)
- B12% (6)
- C2% (1)
- D4% (2)
Topics
#MPLS VPN#public network label#packet forwarding#label encapsulation
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