SR OS allows multiple BGP owners in the same VPRN service to receive or advertise IP prefixes contained in the VPRN's route table. Specifically, the same VPRN route table can simultaneously install and process IPv4 or IPv6 prefixes for the following owners:
EVPN-IFL (EVPN Interface-less IP prefix routes)
EVPN-IFF (EVPN Interface-ful IP prefix routes)
VPN-IP (also referred to as IPVPN routes)
IP (also referred to as BGP PE-CE routes)
Figure 1 shows the service architecture and the concept of different owners supported on the same VPRN.
In the example shown in Figure 1, VPRN 10 is configured with regular interfaces and R-VPLS interfaces and receives the same prefix 10.0.0.0/24 via the four owners.
EVPN-IFL routes are EVPN IP-Prefix (or type 5) routes that are imported and exported based on the VPRN bgp-evpn>mpls configuration, as described in Interface-less IP-VRF-to-IP-VRF Model (IP encapsulation) for MPLS Tunnels.
EVPN-IFF routes are EVPN IP-Prefix (or type 5) routes that are imported and exported based on the configuration of the R-VPLS services attached to the VPRN. EVPN-IFF routes are advertised and processed if the R-VPLS services are configured with the configure>service>vpls>bgp-evpn>ip-route-adverertisement command. Although installed in the VPRN service, EVPN-IFF routes use the route distinguisher and route targets determined by the configuration in the R-VPLS, and are supported in R-VPLS services with VXLAN or MPLS encapsulations. See Interface-ful IP-VRF-to-IP-VRF with SBD IRB Model for more information about EVPN-IFF routes.
In addition to EVPN-IFL and EVPN-IFF routes, BGP IP and VPN-IP families are supported on the same VPRN.