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draft-defeng-l3vpn-ipv4-ipv6-hybrid-01 Address Requirements (Method 2 for Case 1) Same with Method 1; Route Distribution (Method 2 for Case 1) Every two of PEs in DAS establish MP-IBGP based on IPv4; Every two of PEs and ASBR2 in PAS establish MP-IBGP based on IPv6; Every PE in DAS and ASBR2 establish multi-hop MP-EBGP based on IPv4; VPN routes need to be distributed to sites connected to neighboring AS are distributed by such multi-hop MP-EBGP; Same with method 1 in other aspects. |