ZyXEL Communications ZyWALL USG Series Application Notes page 111

1.6.3.2 Setting Up the WAN IPv6 Interface
In the Configuration > Network > Interface > Ethernet screen's IPv6 Configuration section,
1
double-click the wan1.
The Edit Ethernet screen appears. Select Enable Interface and Enable IPv6.
2
Click Create new Object to add a DHCPv6 Request object with the Prefix Delegation type.
Select Enable Auto-Configuration.
Select Client in the DHCPv6 field. (WAN1's DUID appears.)
Click Add in the DHCPv6 Request Options table and select the DHCPv6 request object you just
created. You cannot see the prefix your ISP gave you in the Value field until you click OK and then
come back to this screen again. It is 2001:b050:2d::/48 in this example.
Note: Your ISP or a DHCPv6 server in the same network as the WAN should assign an
IPv6 IP address for the WAN interface.
110