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IPv6 Address Compression

IPv6 addresses often contain consecutive hexadecimal fields of zeros. To simplify address entry, you can use two colons (::) to represent the consecutive fields of zeros when typing the IPv6 address. Table 9 provides compressed IPv6 address format examples.

Table 9: Compressed IPv6 Formats

IPv6 Address Type

Full Format

Compressed Format

Unicast

10FB:0:0:0:C:ABC:1F0C:44DA

10FB::C:ABC:1F0C:44DA

Multicast

FD01:0:0:0:0:0:0:1F

FD01::1F

Loopback

0:0:0:0:0:0:0:1

::1

Unspecified

0:0:0:0:0:0:0:0

::

Note: You can use two colons (::) only once in an IPv6 address to represent hexadecimal fields of consecutive zeros.


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