Not sure what you mean, but there's definitely no need to type addresses anywhere. Router Advertisements propagate the subnet information (prefix, dns server,

Not sure what you mean, but there's definitely no need to type addresses anywhere. Router Advertisements propagate the subnet information (prefix, dns server, etc.) to clients in the network. Prefix delegation allows downstream routers to request subnets from upstream routers. MDNS lets network devices announce their services to the subnet.