Huawei
H12-841_V1.5 · Question #27
In an MPLS VPN network, when a PE device forwards VPN packets to a P device, which type of tag will it encapsulate on the outer layer of the packet for backbone network forwarding?
The correct answer is B. Public network label (outer label, identifying the backbone network forwarding path). See the full explanation below for the reasoning.
Campus Network Design and Planning
Question
In an MPLS VPN network, when a PE device forwards VPN packets to a P device, which type of tag will it encapsulate on the outer layer of the packet for backbone network forwarding?
Options
- AVPN label (inner label, identifying the VPN instance)
- BPublic network label (outer label, identifying the backbone network forwarding path)
- COnly VPN label is encapsulated, no public network label.
- DForward by IP address without encapsulating any tags.
How the community answered
(57 responses)- A7% (4)
- B81% (46)
- C4% (2)
- D9% (5)
Topics
#MPLS label stack#public network label#VPN label#PE-P forwarding
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