Chapter 6 Broadband
LTE Series User’s Guide
87
Encapsulation This is the method of encapsulation used by this connection.
IPv4/IPv6 Mode This shows IPv4 IPv6 DualStack. 
IPv4 IPv6 DualStack allows the Zyxel Device to run IPv4 and IPv6 at the same time.
VLAN Click this switch to enable or disable VLAN on this WAN interface. When the switch goes to the 
right  , the function is enabled. Otherwise, it is not.
802.1p IEEE 802.1p defines up to 8 separate traffic types by inserting a tag into a MAC-layer frame that 
contains bits to define class of service.
Select the IEEE 802.1p priority level (from 0 to 7) to add to traffic through this connection. The 
greater the number, the higher the priority level.
802.1q Type the VLAN ID number (from 1 to 4094) for traffic through this connection.
MTU
MTU Enter the MTU (Maximum Transfer Unit) size for this traffic.
IP Address 
Obtain an IP 
Address 
Automatically
A static IP address is a fixed IP that your ISP gives you. A dynamic IP address is not fixed; the ISP 
assigns you a different one each time you connect to the Internet. Select this if you have a 
dynamic IP address.
Static IP Address Select this option If the ISP assigned a fixed IP address.
IP Address Enter the static IP address provided by your ISP.
Subnet Mask Enter the subnet mask provided by your ISP.
Gateway IP 
Address
Enter the gateway IP address provided by your ISP.
DNS Server 
Select Obtain DNS Info Automatically if you want the Zyxel Device to use the DNS server 
addresses assigned by your ISP.
Select Use Following Static DNS Address if you want the Zyxel Device to use the DNS server 
addresses you configure manually.
Primary DNS 
Server
Enter the first DNS server address assigned by the ISP.
Secondary DNS 
Server
Enter the second DNS server address assigned by the ISP.
Routing Feature
NAT Click this switch to activate or deactivate NAT on this connection. When the switch goes to the 
right  , the function is enabled. Otherwise, it is not.
IGMP Proxy Internet Group Multicast Protocol (IGMP) is a network-layer protocol used to establish 
membership in a Multicast group - it is not used to carry user data.
Click this switch to have the Zyxel Device act as an IGMP proxy on this connection. When the 
switch goes to the right  , the function is enabled. Otherwise, it is not.
This allows the Zyxel Device to get subscribing information and maintain a joined member list for 
each multicast group. It can reduce multicast traffic significantly.
Apply as Default 
Gateway
Click this switch to have the Zyxel Device use the WAN interface of this connection as the system 
default gateway. When the switch goes to the right  , the function is enabled. Otherwise, it is 
not.
Table 20   Network Setting > Broadband > Add/Edit New WAN Interface (continued)
LABEL DESCRIPTION