ZyXEL Communications VMG3926-B10A User Manual page 69

Table 8 Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
LABEL DESCRIPTION
Obtain an IP A static IP address is a fixed IP that your ISP gives you. A dynamic IP address is not fixed;
Address the ISP assigns you a different one each time you connect to the Internet. Select this if you
Automatically have a dynamic IP address.
DHCP This field displays when editing an existing WAN interface. Type the class vender ID you
option 60/
want the VMG to add in the DHCP Discovery packets that go to the DHCP server.
Vendor ID
DHCP This field displays when editing an existing WAN interface. Type the Identity Association
option 61
Identifier (IAD) you want the VMG to add in the DHCP Discovery packets that go to the
IAD
DHCP server.
DHCP This field displays when editing an existing WAN interface. Type the DHCP Unique Identifier
option 61
(DUID) you want the VMG to add in the DHCP Discovery packets that go to the DHCP server.
DUID
DHCP This field displays when editing an existing WAN interface. Type the vender specific
option 43
information you want the VMG to add in the DHCP Offer packets. The information is used,
Enable
for example, for configuring an ACS's (Auto Configuration Server) URL.
Static IP Select this option If the ISP assigned a fixed IP address.
Address
IP Address Enter the static IP address provided by your ISP.
Subnet Enter the subnet mask provided by your ISP.
Mask
Gateway IP Enter the gateway IP address provided by your ISP.
Address
Routing Feature (This is available only when you select IPv4 Only or IPv6/IPv4 DualStack in the IPv6/
IPv4 Mode field.)
NAT Enable Select this option to activate NAT on this connection.
Fullcone NAT Select this option to enable full cone NAT on this connection. This field is available only when
Enable you activate NAT. In full cone NAT, the VMG maps all outgoing packets from an internal IP
address and port to a single IP address and port on the external network. The VMG also
maps packets coming to that external IP address and port to the internal IP address and
port.
IGMP Proxy Internet Group Multicast Protocol (IGMP) is a network-layer protocol used to establish
Enable membership in a Multicast group - it is not used to carry user data.
Select this option to have the VMG act as an IGMP proxy on this connection. This allows the
VMG to get subscribing information and maintain a joined member list for each multicast
group. It can reduce multicast traffic significantly.
Apply as Select this option to have the VMG use the WAN interface of this connection as the system
Default default gateway.
Gateway
DNS Server (This is available only when you select IPv4 Only or IPv6/IPv4 DualStack in the IPv6/IPv4
Mode field.)
DNS Select Obtain DNS Info Automically if you want the VMG to use the DNS server
addresses assigned by your ISP.
Select Use Following Static DNS Address if you want the VMG to use the DNS server
addresses you configure manually.
DNS Server1 Enter the first DNS server address assigned by the ISP.
DNS Server 2 Enter the second DNS server address assigned by the ISP.
Chapter 6 Broadband
VMG3926-B10A User's Guide
69