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Version 6 of the Dynamic Host Configuration Protocol (DHCPv6) is a network protocol for the configuration of version 6 (IPv6) Internet Protocol hosts with IP addresses, IP prefixes, and other configuration details necessary for IPv6 network service. It is the IPv6 counterpart to IPv4’s Dynamic Host Configuration Protocol.
IPv6 hosts may use stateless address autoconfiguration (SLAAC) to create IP addresses internally automatically, or they may be allocated DHCPv6 configuration info. Information other than an IP address or route could be needed by IPv6 hosts who use stateless autoconfiguration. DHCPv6 may be used to obtain this information, although it is not used to configure IP addresses. To configure hosts with Domain Name System (DNS) server addresses, DHCPv6 is not required since they can be configured using the Neighbor Discovery Protocol, which is also a stateless autoconfiguration method.
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