Layer 3 Services This section provides configuration information for the following topics: BGP Best External in a VPRN Carrier Supporting Carrier IP VPNs Flexible Algorithms for SRv6-based VPRNs Inter-AS VPRN Model B Inter-AS VPRN Model B Using MPLS over UDP Inter-AS VPRN Model C Layer 3 VPN: VPRN Type Spoke Spoke Termination for IPv6-6VPE Traffic Leaking from VPRN to GRT Weighted ECMP for VPRN over RSVP-TE or SR-TE LSPs