You do not need to configure IPv6 addresses manually. Unlike in IPv4, DHCP is not used in IPv6 to configure an IP address and subnet mask automatically. Instead, the link-local scope of an IPv6 addresses is always configured automatically. Addresses with other scopes, such as global, are configured by router advertisements.
See Also
Assigning an IPv6 Address to a Device | IPv6 Addresses to Configure | Methods for Configuring IPv6 Addresses
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