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210-260 · Question #34

Which address block is reserved for locally assigned unique local addresses?

The correct answer is B. FD00::/8. Using one of the common Unique Local IPv6 global prefix generators, the Acme corporate network was assigned the global prefix of 6D8D64AF0C; when pushed together with the common unique local locally assigned prefix (FD00::/8) the prefix expands to FD6D:8D64:AF0C::/48; this…

Secure Routing and Switching

Question

Which address block is reserved for locally assigned unique local addresses?

Options

  • A2002::/16
  • BFD00::/8
  • C2001::/32
  • DFB00::/8

How the community answered

(43 responses)
  • A
    5% (2)
  • B
    91% (39)
  • C
    2% (1)
  • D
    2% (1)

Explanation

Using one of the common Unique Local IPv6 global prefix generators, the Acme corporate network was assigned the global prefix of 6D8D64AF0C; when pushed together with the common unique local locally assigned prefix (FD00::/8) the prefix expands to FD6D:8D64:AF0C::/48; this leaves Acme with an additional 16 bits of space to use for subnetting across their sites.

Topics

#IPv6 addressing#unique local addresses#ULA#FD00::/8

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