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The customer’s hosts cannot communicate across their Layer 3 VPN. The exhibit shows the configuration for the two PE devices in the Layer 3 VPN. What should you do to solve the problem?
A. Add the family INET unicast NLRI address family in the BGP group for PE-2.
B. Set the route distinguishers to be different for PE-1 and PE-2.
C. Add the auto export feature in the routing instances for PE-1.
D. Set the VRF target to the same value on PE-1 and PE-2.
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D is correct
For Layer 2 VPNs and VPLS, if you have configured the l2vpn-use-bgp-rules statement, you must configure a unique route distinguisher for each PE router participating in a specific routing instance.
For other types of VPNs, we recommend that you use a unique route distinguisher for each PE router participating in the routing instance. Although you can use the same route distinguisher on all PE routers for the same VPN routing instance (except for Layer 2 VPNs and VPLS), if you use a unique route distinguisher, you can determine the CE router from which a route originated within the VPN.
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l3-vpns-routing-instances.html#id-10110155
GhostMan
D is the correct Answer… Look at the VRF Target again…. They are different.
B
VRF target is the same. RD must be different.