IPv6 Autoconfiguration and Renumbering

One of the most interesting and potentially valuable addressing features implemented in IPv6 is a facility that allows devices on an IPv6 network to actually configure themselves independently. In IPv4, hosts were originally configured manually. Later, host configuration protocols like the Dynamic Host Configuration Protocol (DHCP; see Chapter 61) enabled servers to allocate IP addresses to hosts that joined the network. IPv6 takes this a step further by defining a method for some devices to automatically configure their IP address and other parameters without the need for a server. It also defines a method whereby the IP addresses on a network can be renumbered (changed en masse). These are the sorts of ...

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