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BGP Solution Elements (3a) Final piece is for egress AFBR to advertise specific tunnel identifier that ingress AFBR(s) should use to reach a particular destination AF island prefix ingress AFBR uses this to determine which tunnel to forward packets through to reach the advertised destination Use BGP Connector Attribute. Defined value are: Type 1 = IPv4 address (for inter-as MDT case) Type 2 = Tunnel ID: Tunnel End-Point Address (IPv4/6 address) Type 3 = Tree ID: Tunnel End-Point Address (IPv4/6 address) (for multicast case) draft-nalawade-l3vpn-bgp-connector-00.txt |