[CentOS] Help with IPv6 /48 block

Sun Jan 11 19:47:55 UTC 2015
Mike McCarthy, W1NR <sysop at w1nr.net>

The normal usage for a /48 block is to divide it into /64 sub-networks
and use DHCP to issue addresses to each subnet from the corresponding
/64 segment.

I would recommend taking the IPv6 certification course from Hurricane
Electric at https://ipv6.he.net/certification/ as a start.