ZyXEL Communications VMG3312-T20A User Manual page 79

Table 11 Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
LABEL DESCRIPTION
Primary DNS Enter the first DNS server address assigned by the ISP.
Server
Secondary DNS Enter the second DNS server address assigned by the ISP.
Server
Tunnel
The DS-Lite (Dual Stack Lite) fields display when you set the IPv4/IPv6 Mode field to IPv6 Only.
Enable Dual Stack Lite to let local computers use IPv4 through an ISP's IPv6 network. See
for more information.
Enabled DS-Lite This is available only when you select IPv6 Only in the IPv4/IPv6 Mode field. Select Enable to let
local computers use IPv4 through an ISP's IPv6 network.
DS-Lite Relay Specify the transition router's IPv6 address.
Server IP
6RD
The 6RD (IPv6 rapid deployment) fields display when you set the IPv6/IPv4 Mode field to IPv4 Only. See
Deployment on page 72 for more information.
6RD Select Enable to tunnel IPv6 traffic from the local network through the ISP's IPv4 network.
Select Manually Configured if you have the IPv4 address of the relay server. Otherwise, select
Automatically configured by DHCPC to have the VMG detect it automatically through DHCP.
The Automatically configured by DHCPC option is configurable only when you set the method of
encapsulation to IPoE.
Service Provider Enter an IPv6 prefix for tunneling IPv6 traffic to the ISP's border relay router and connecting to the
IPv6 Prefix native IPv6 Internet.
IPv4 Mask Enter the subnet mask number (1~32) for the IPv4 network.
Length
Border Relay When you select Manually Configured, specify the relay server's IPv4 address in this field.
IPv4 Address
DHCPC Options (This is available only when you select IPv4 Only or IPv4 IPv6 DualStack in the IPv4/IPv6 Mode field.)
Request Options Select Option 42 to have the VMG get the NTP server which is available to the client.
Select Option 43 to have the VMG automatically add vendor specific information in the DHCP
packets to request the vendor specific options from the DHCP server.
Select Option 121 to have the VMG push static routes to clients.
Sent Options
option 60 Select this and enter the device identity you want the VMG to add in the DHCP discovery
packets that go to the DHCP server.
Vendor ID Enter the Vendor Class Identifier, such as the type of the hardware or firmware.
option 61 Select this and enter any string that identifies the device.
IAID Enter the Identity Association Identifier (IAID) of the device, for example, the WAN connection
index number.
DUID Enter the hardware type, a time value and the MAC address of the device.
option 125 Select this to have the VMG 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 Select Obtain an IPv6 Address Automatically if you want to have the VMG use the IPv6 prefix
Address from the connected router's Router Advertisement (RA) to generate an IPv6 address.
Automatically
Chapter 6 Broadband
VMG3312-T20A User's Guide
79
Dual Stack Lite on page 73
IPv6 Rapid