防火墙F1080 ipv6 dhcp无法打开网页，ping外网地址通。

这个是防火墙F1080 IPV6相关配置，请高手看下，为什么客户端已经分配地址和DNS了，但就是打不开网页，可以PING通外网dns服务器及PING IPV6 ***.***。

ipv6 dhcp pool ipv6

 network ::172:16:0:0/110

 dns-server 2408:8000:1010:1::8

 dns-server 2408:8000:1010:2::8

 gateway-list ::172:16:0:1

interface Vlan-interface210

 ipv6 dhcp select server

 ipv6 dhcp server apply pool ipv6

 ipv6 address ::172:16:0:1/110

 ipv6 nd autoconfig managed-address-flag

 ipv6 nd autoconfig other-flag

 undo ipv6 nd ra halt

interface GigabitEthernet1/0/5

 port link-mode route

 description to Internet

 ip address 124.xx.xx.xx 255.255.255.252

 nat outbound 3000

 nat66 prefix source ::172:16:0:0 110 2408::2 127 pat

 ipv6 address 2408:::3/127

#

security-policy ipv6

 rule 0 name IPV6

  source-zone Untrust

  destination-zone Trust

 rule 1 name IPV6ALLOW

  action pass

  source-zone Local

  source-zone Trust

  source-zone DMZ

  source-zone Management