A Cisco engineer is configuring MPLS VPN BGP at a customer site that is connected to the provider site by more than one path MPLS VPN BGP Local Convergence link protection is enabled. After the engineer installs the main forwarding path and the redundant backup path within the BGP, they assign a unique route distinguisher to each VRF table on all PE devices that serve as a backup to the link.
What is a prerequisite for this local convergence to work?
A . Interautonomous system option A (back-to-back VRF) is active.
B. BGP must support lossless switchover between operational paths
C. IP/GRE is enabled.
D. The system is performing a PE-CE link protection on both ends
Answer: D
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