+1CCR1016-12G 6.43.1 - "Delegated-IPv6-Prefix" attribute for PPPoE not work.
viewtopic.php?f=1&t=89443&p=687058#p687058
I had the same problem.
"DHCPv6 PD Pool (PPP Profile) not work anymore."
i'v got this problem too.
When connection established, dinamic DHCPv6 server creating, but client not get address from pool.