Comcast IPv6 enabled in Fresno, CA
Modem: Cisco DPC2100R2
Router: Cisco 891 running IOS 15.2(2)T
Cisco IOS Configuration:
ipv6 dhcp pool DHCP-LAN-IPv6
dns-server 2001:558:FEED::1
dns-server 2001:558:FEED::2
!
interface GigabitEthernet0
ipv6 address autoconfig default
ipv6 enable
ipv6 dhcp client pd comcast-ipv6
!
interface Vlan1
ipv6 address comcast-ipv6 ::/64 eui-64
ipv6 enable
ipv6 nd other-config-flag
ipv6 dhcp server DHCP-LAN-IPv6
!