ZyXEL Communications PMG2006-T20A User Manual page 46

Table 9 Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
LABEL DESCRIPTION
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 PMG2006-T20A get the NTP server which is available to the client.
Select Option 43 to have the PMG2006-T20A 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 PMG2006-T20A push static routes to clients.
Sent Options
option 60 Select this and enter the device identity you want the PMG2006-T20A 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 PMG2006-T20A 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 PMG2006-T20A use the IPv6
Address prefix from the connected router's Router Advertisement (RA) to generate an IPv6 address.
Automatically
Static IPv6 Select Static IPv6 Address if you have a fixed IPv6 address assigned by your ISP. When you select
Address 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 Enter the IP address of the next-hop gateway. The gateway is a router or switch on the same
Gateway
segment as your PMG2006-T20A's interface(s). The gateway helps forward packets to their
destinations.
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 Select this checkbox to have the PMG2006-T20A act as an MLD proxy on this connection. This
Enable allows the PMG2006-T20A to get subscription information and maintain a joined member list for
each multicast group. It can reduce multicast traffic significantly.
Apply as Default Select this option to have the PMG2006-T20A use the WAN interface of this connection as the
Gateway system default gateway.
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 Select Obtain IPv6 DNS Info Automatically to have the PMG2006-T20A get the IPv6 DNS server
Info addresses from the ISP automatically.
Automatically
Use Following Select Use Following Static IPv6 DNS Address to have the PMG2006-T20A use the IPv6 DNS server
Static IPv6 DNS addresses you configure manually.
Address
Chapter 6 Broadband
PMG2006-T20A User's Guide
46