You can configure an RR to establish MP-IBGP connections with all its client PEs to reflect VPNv6 routes.
Choose either of the following methods to configure an RR to establish MP-IBGP peer relationships with the client PEs.
Add all the client PEs to a peer group and establish an MP-IBGP connection with the peer group.
Perform Step 1 to Step 6 repeatedly on the RR to establish an MP-IBGP connection between the RR and each client PE.