Unformatted text preview: ith the "u" bit set to
universal are unique. The use of the universal/local bit in the Modified EUI-64
format identifier is to allow development of future technology that
can take advantage of interface identifiers with universal scope. Hinden
[Page 8] Standards Track RFC 4291
February 2006 IPv6 Addressing Architecture The details of forming interface identifiers are defined in
the appropriate "IPv6 over <link>" specification, such as "IPv6
over Ethernet" [ETHER], and "IPv6 over FDDI" [FDDI]. 2.5.2. The Unspecified Address The address 0:0:0:0:0:0:0:0 is called the unspecified
address. It must never be assigned to any node.
of an It indicates the absence address.
field of One example of its use is in the Source Address any IPv6 packets sent by an initializing host before it has
learned its own address. The unspecified address must not be used as the destination
address of IPv6 packets or in IPv6 Routing headers.
with a An IPv6 packet source address of unspecified must never be forwarded by an
IPv6 router. 2.5.3. The Loopback Address The unicast...
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- Fall '13
- ........., IP address, Unicast Address