How the host can know the subnet mask in the IPv6 network, in case the network does not use the default subnet mask which is /64. for example the subnet mask of the network is /88, How can the IPv6 host know the subnet mask is 88 and is not 64?
1 Answer
The router advertisement contains the prefix length of advertised prefixes.
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DHCPv6 only provides addresses. Prefixes and their lengths still come from RA Oct 31, 2018 at 9:34