TP-Link T2500-28TCTL-SL5428E T2500-28TCUN V1 User Guide - Page 154
Table 10-2 Indications of the Scope, Table 10-3 Reserved IPv6 Multicast Addresses
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Flags have 4 bits. The high-order flag is reserved, and must be initialized to 0. T=0 indicates a permanently-assigned multicast address assigned by the Internet Assgined Numbers Authority (IANA). T=1 indicates a non-permanently-assigned multicast address. Scope is a 4-bit value used to limit the scope of the multicast group. The values are as follows: Value 0、3、F Indication reserved 1 2 4 5 6、7、9-D Interface-Local scope Link-Local scope Admin-Local scope Site-Local scope unassigned 8 Organization-local scope E Global scope Table 10-2 Indications of the Scope Reserved Multicast Addresses: Address FF01::1 FF02::1 FF01::2 FF02::2 FF05::2 FF0X:: Indication All interface-local IPv6 nodes All link-local IPv6 nodes All interface-local IPv6 routers All link-local IPv6 routers All site-local IPv6 routers X ranges from 0 to F. These multicast addresses are reserved and shall never be assigned to any multicast group. Table 10-3 Reserved IPv6 Multicast Addresses The solicited-node multicast address is a multicast group that corresponds to an IPv6 unicast or anycast address. It is usually used for obtaining the Layer 2 link-layer addresses of neighboring nodes within the local-link or applied in IPv6 Duplicate Address Detection. A node is required to join the associated Solicited-Node multicast addresses for all unicast and anycast addresses that have been configured for the node's interfaces. IPv6 Solicited-Node Multicast Address Format: FF02:0:0:0:0:1:FFXX:XXXX 144