The Address.Origin enumerated type defines IPv6 address origin values.
DHCP : The IPv6 address is assigned by a DHCP server. See RFC 4293.
RANDOM : The IPv6 address is assigned randomly by the system. See RFC 4293.
MANUAL : The IPv6 address was manually configured to a specified address, for example, by user configuration. See RFC 4293.
LINKLAYER : The IPv6 address is assigned by IPv6 Stateless Address Auto-configuration (SLAAC). See RFC 4293.
OTHER : The IPv6 address is assigned by a mechanism other than manual, DHCP, SLAAC, or random. See RFC 4293.
Enumeration: DHCP, RANDOM, MANUAL, LINKLAYER, OTHER,