TP-Link T1700X-16TS T1700X-16TSUN V1 User Guide - Page 121
Table 8-3 Reserved IPv6 Multicast Addresses
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Group ID: 112 bits, IPv6 multicast group identifier that uniquely identifies an IPv6 multicast group in the scope defined by the Scope field. Reserved Multicast Addresses: Address Indication FF01::1 All interface-local IPv6 nodes FF02::1 FF01::2 All link-local IPv6 nodes All interface-local IPv6 routers FF02::2 All link-local IPv6 routers FF05::2 All site-local IPv6 routers FF0X:: X ranges from 0 to F. These multicast addresses are reserved and shall never be assigned to any multicast group. Table 8-3 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 The IPv6 solicited-node multicast address has the prefix FF02:0:0:0:0:1:FF00:0000/104 concatenated with the 24 low-order bits of a corresponding IPv6 unicast or anycast address. 2. IPv6 Multicast MAC Address The high-order 16 bits of an IPv6 multicast MAC address begins with 0x3333 while the low-order 32 bits of an IPv6 multicast MAC address are the low-order 32 bits of the IPv6 multicast IP address. The mapping relationship is described as the following figure: Figure 8-3 Mapping relationship between multicast IPv6 address and multicast IPv6 MAC address 110