★ Automatic configuration
☆ No router
Site automatic configuration temporary address: link - local address
Fe80: 0: 0: 0: xxxx: xxxx: xxxx: xxxx
(The first 16 bits: 1111 1110 10xx xxxx)
Can only be used in subnet communications
☆ There is router
Generate a link - After the local address, the site is automatically queried router
Router advertises an identifier containing the subnet
Site will automatically configure a new address using the subnet identifier of the router advertisement: Site - Local Address
FEC0: 0: 0:
(The first 16 bits: 1111 1110 11xx xxxx)
Can be used to communicate between subnets, but cannot be used for global addressing
★ State automatic configuration
☆ DHCPV6 allocation can polymerizable global unicast address
The first 16 bit is: 001x xxxx xxxx xxxx
★ Multicast: The first 16 bit is: 1111 1111 xxxx xxxx
