In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?

In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?
A . RD mismatch between the PE routers
B . RT export and import configuration errors
C . RD export and import configuration errors
D . VRF name mismatch between the PE routers

View Answer

Answer: B