Huawei
H12-841_V1.5 · Question #70
In an MPLS VPN network, which of the following failures would cause "PE devices to be unable to learn VPNv4 routes from other PE devices"?
The correct answer is C. MPLS LSP between PE devices has not been established. See the full explanation below for the reasoning.
Intelligent O&M and Troubleshooting in Campus Networks
Question
In an MPLS VPN network, which of the following failures would cause "PE devices to be unable to learn VPNv4 routes from other PE devices"?
Options
- ABGP VPNv4 neighbor between PE devices is established normally.
- BA routing policy has been configured on the PE device to import CE routes into the BGP VPNv4
- CMPLS LSP between PE devices has not been established.
- DOSPF neighbor between CE device and PE device is established normally.
How the community answered
(37 responses)- A5% (2)
- B3% (1)
- C81% (30)
- D11% (4)
Topics
#MPLS VPN#VPNv4 route learning#MPLS LSP#fault cause analysis
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