Chapter 8 Broadband
VMG/EMG/AM/DM/GM Series User’s Guide
193
DUID Enter the hardware type, a time value and the MAC address of the device.
option 125 Select this to have the Zyxel Device automatically generate and add vendor specific
parameters in the DHCP discovery packets that go to the DHCP server.
IPv6 Address (This is available only when you select IPv4 IPv6 DualStack or IPv6 Only in the IPv4/IPv6 Mode field.)
Obtain an IPv6
Address
Automatically
Select this if you want to have the Zyxel Device use the IPv6 prefix from the connected router’s
Router Advertisement (RA) to generate an IPv6 address.
Static IPv6
Address
Select this if you have a fixed IPv6 address assigned by your ISP. When you select this, the
following fields appear.
IPv6 Address Enter an IPv6 IP address that your ISP gave to you for this WAN interface.
Prefix Length Enter the address prefix length to specify how many most significant bits in an IPv6 address
compose the network address.
IPv6 Default
Gateway
Enter the IP address of the next-hop gateway. The gateway is a router or switch on the same
segment as your Zyxel Device's interface(s). The gateway helps forward packets to their
destinations.
IPv6 DNS Server (This is available only when you select IPv4 IPv6 DualStack or IPv6 Only in the IPv4/IPv6 Mode field.
Configure the IPv6 DNS server in the following section.
Obtain IPv6 DNS
Info
Automatically
Select this to have the Zyxel Device get the IPv6 DNS server addresses from the ISP automatically.
Use Following
Static IPv6 DNS
Address
Select this to have the Zyxel Device use the IPv6 DNS server addresses you configure manually.
Primary DNS
Server
Enter the first IPv6 DNS server address assigned by the ISP.
Secondary DNS
Server
Enter the second IPv6 DNS server address assigned by the ISP.
IPv6 Routing Feature (This is available only when you select IPv4 IPv6 DualStack or IPv6 Only in the IPv4/IPv6 Mode
field. You can enable IPv6 routing features in the following section.)
MLD Proxy
Enable
Select this check box to have the Zyxel Device act as an MLD proxy on this connection. This
allows the Zyxel Device to get subscription information and maintain a joined member list for
each multicast group. It can reduce multicast traffic significantly.
Apply as Default
Gateway
Select this option to have the Zyxel Device use the WAN interface of this connection as the
system default gateway.
DS-Lite This is available only when you select IPv6 Only in the IPv4/IPv6 Mode field. Enable Dual Stack
Lite to let local computers use IPv4 through an ISP’s IPv6 network. See Dual Stack Lite on page
186 for more information.
Click this switch to let local computers use IPv4 through an ISP’s IPv6 network.
DS-Lite Relay
Server IP
Specify the transition router’s IPv6 address.
IPv6 MAP This is available when you edit an IPv6 WAN interface. Slide the switch to the right to create an
IPv6 map domain.
Transport Mode Select MAP-T (Translation) or MAP-E (Encapsulation) based on the ISP deployment.
Setting Mode Select DHCP S46 or Manual to configure the following fields.
Note: The following Prefix/Address fields are used for the address mapping rule of MAP-T or MAP-E.
BR IPv6 Prefix This is the IPv6 network address/prefix assigned to the BR, including the prefix length.
Rule IPv6 Prefix This is the IPv6 network prefix, including the prefix length.
Rule IPv4 Prefix This is the IPv4 network prefix, including the prefix length.
Table 36 Network Setting > Broadband > Add/Edit New WAN Interface (Routing Mode) (continued)
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