ipv6 ufs-cache enable
ipv6 dhcp enable
ipv6 access-list block-list deny ip src any dest any
ipv6 access-list dhcpv6-list permit udp src any sport eq 547 dest any dport eq 546
ipv6 access-list dhcpv6-list permit udp src any sport eq 546 dest any dport eq 547
ipv6 access-list icmpv6-list permit icmp src any dest any
ipv6 access-list permit-list permit ip src any dest any
ipv6 access-list dynamic dflt-list access permit-list
!
ipv6 dhcp client-profile dhcpv6-cl
  option-request dns-servers
  ia-pd subscriber GigaEthernet1.0
!
ipv6 dhcp server-profile dhcpv6-sv
  dns-server dhcp
!
interface GigaEthernet0.0
  no ip address
  ipv6 enable
  ipv6 dhcp client dhcpv6-cl
  ipv6 filter dhcpv6-list 1 in
  ipv6 filter icmpv6-list 2 in
  ipv6 filter block-list 100 in
  ipv6 filter dhcpv6-list 1 out
  ipv6 filter icmpv6-list 2 out
  ipv6 filter dflt-list 100 out
  no shutdown
!
interface GigaEthernet1.0
  no ip address
  ipv6 enable
  ipv6 dhcp server dhcpv6-sv
  ipv6 nd ra enable
  ipv6 nd ra other-config-flag
  no shutdown