On 06/04/2011, at 2:23 PM, Rohan Saldanha (rsaldanh) wrote: > - /64 is a MUST if you are planning to use Stateless Address > AutoConfiguration (SLAAC), (MSFT DHCPv6 also) for assignment of ipv6 > prefixes. Why would you want to use SLAAC on router-to-router links? This makes me think of using DHCP to assign server IP addresses....