Huawei
H12-891_V1.0 · Question #367
In the intra-domain 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 correct answer is C. The outer label is used to correctly send the data packet to the corresponding VPN on the PE D. The outer label of MPLS VPN is called the private network label, and the inner label is called the. See the full explanation below for the reasoning.
MPLS and VPN Technologies
Question
In the intra-domain 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 two-layer labels are wrong? (Multiple choice)
Options
- AThe outer label of MPLS VPN is assigned by LDP protocol or statically, and the inner label is
- BBy default, the outer label is popped before the packet is forwarded to the last hop device.
- CThe outer label is used to correctly send the data packet to the corresponding VPN on the PE
- DThe outer label of MPLS VPN is called the private network label, and the inner label is called the
How the community answered
(54 responses)- A13% (7)
- B7% (4)
- C80% (43)
Topics
#MPLS VPN#label stack#inner label#outer label
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