A.00000 B.12345 C.23456 D.65000 E.99999
A. The Layer 2 multicast address of the destination node B. The solicited node multicast address of the destination node C. The Layer 2 address of the destination node based on the destination IPv6 address D. The IPv6 address of the destination node based on the destination Layer 2 address
A.6to4 B.6over4 C.ISATAP D.GRE