Billion BiPAC 7800(N)X(L) User Manual page 84

Stateless and Stateful IPv6 address Configuration
Stateless: Two methods can be carried.
 With DHCPv6 disabled, but Issue Router Advertisement Enabled
With this method, the PCs in LAN are configured through RA mode, thus, the PCs in LAN are
configured through RA mode, to obtain the prefix message and generate an address using a
combination of locally available information (MAC address) and information (prefix) advertised by
routers.
 With both DHCPv6 and Issue Router Advertisement Enabled
With this method, the PCs' addresses in LAN are configured like above method, but they can
obtain such information like DNS from DHCPv6 Server.
79