Unspecified IPv6 Address

Prabhu Hariharan prabhuh at gmail.com
Wed Jan 23 22:28:20 PST 2008


Hi,

Why certain hosts of freebsd can be configurable with unspecified (::)
(all-zero) IPv6 addresses in its interfaces?  RFC 4291 clearly mentions
"this address must never be assigned to any node".  Is there is any use-case
or motivation behind accepting this address in an interface?

Regards,
Prabhu H


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