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Classic MPLS VPN (1) Define a new IPv4 VPN address family (VPNv4) to identify and store customer VPN IPv4 routes inside VPN routing tables (VRFs) on PE nodes Use MP-BGP to distribute VPNv4 routes, VPN labels, Next-Hop information, etc. between PE nodes only MP-BGP = multi-protocol BGP VRF = VPN Routing/Forwarding Table |