Link-local address

Network address usable for communication within a subnet / From Wikipedia, the free encyclopedia

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In computer networking, a link-local address is a unicast network address that is valid only for communications within the subnetwork that the host is connected to. Link-local addresses are most often assigned automatically with a process known as stateless address autoconfiguration (SLAAC) or link-local address autoconfiguration,[1] also known as automatic private IP addressing (APIPA) or auto-IP.

Link-local addresses are not guaranteed to be unique beyond their network segment. Therefore, routers do not forward packets with link-local source or destination addresses.

IPv4 link-local addresses are assigned from address block ( through In IPv6, they are assigned from the block fe80::/10.[2]:ā€Š2.4ā€Š[3]

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