link-local address
Networking
An IPv6 address in fe80::, valid only on the directly attached link, which every interface generates by itself with no configuration. ip -6 addr show marks it scope link, as against scope host for the ::1 loopback and scope global for a routable address. It is not decorative: the IPv6 default route commonly points at one — default via fe80::… — because a gateway is always a neighbour, and because a route depending on no global address survives the provider renumbering.
Also written: fe80::, scope link