January 2004
Intermediate to advanced
536 pages
13h 2m
English
Content preview from IPv6, 2nd Edition
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Chapter 8 • IPv6 Addressing 147
Address type Binary prefix IPv6 notation
Unspecified 00...0 (128 bits) ::/128
Loopback 00...1 (128 bits) ::1/128
Multicast 11111111 FF00::/8
Link-local unicast 1111111010 FE80::/10
Site-local unicast 1111111011 FEC0::/10
Global unicast (everything else)
Table 8–2: Identifying IPv6 address types (from RFC 3513).
8.3 Special Unicast Address Types
Several different types of special unicast addresses are defined in
RFC 3513. They are briefly discussed in this section.
8.3.1 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 because it indicates the absence of
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