Using Stateless Address Autoconfiguration

The stateful nature of DHCPv4, as well as its newer cousin stateful DHCPv6, causes some challenges. Someone has to configure, administer, and manage the DHCP server(s). The configuration includes ranges of IP addresses for every subnet. Then, when a host (client) leases the address, the server notes which client is using which address. All these functions work, and work well, but the reliance on a stateful DHCP server requires some thought and attention from the IT staff.

IPv6’s Stateless Address Autoconfiguration (SLAAC) provides an alternative method for dynamic IPv6 address assignment—without needing a stateful server. In other words, SLAAC does not require a server to assign or lease the IPv6 address, ...

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