3.
NA-ISP1 assigns Company 1 2001:0DB8:1111::/48: Company 1 decides to start
supporting IPv6, so it goes to its ISP, NA-ISP1, to ask for a block of global unicast
addresses. NA-ISP1 assigns Company 1 a “small” piece of NA-ISP1’s address block, in
this case the addresses that begin with the 48 bits (12 hex digits) of 2001:0DB8:1111
(2001:0DB8:1111::/48).
NOTE
If you do not plan to connect to the Internet using IPv6 for a while and just want
to experiment, you do not need to ask for an IPv6 global routing prefix to be assigned. Just
make up IPv6 addresses and configure your devices, or use unique local addresses as dis-
cussed toward the end of this chapter.
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