Chapter 6 Broadband
XMG3512-B10A User’s Guide
69
DHCP
option 43
Enable
This field displays when editing an existing WAN interface. Type the vender specific information
you want the XMG to add in the DHCP Offer packets. The information is used, for example, for
configuring an ACS’s (Auto Configuration Server) URL.
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.
VLAN (These fields appear when the Type is set to ADSL/VDSL over PTM.)
Active Select this to enable VLAN on this WAN interface.
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 Size Enter the MTU (Maximum Transfer Unit) size for this traffic.
Routing Feature (This is available only when you select IPv4 Only or IPv4 IPv6 DualStack in the IPv4/IPv6 Mode field.)
NAT Enable Select this option to activate NAT on this connection.
Fullcone NAT
Enable
Select this option to enable full cone NAT on this connection. This field is available only when you
activate NAT. In full cone NAT, the XMG maps all outgoing packets from an internal IP address
and port to a single IP address and port on the external network. The XMG also maps packets
coming to that external IP address and port to the internal IP address and port.
IGMP Proxy
Enable
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.
Select this option to have the XMG act as an IGMP proxy on this connection. This allows the XMG
to get subscribing 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 XMG use the WAN interface of this connection as the system
default gateway.
DNS Server (This is available only when you select IPv4 Only or IPv4 IPv6 DualStack in the IPv4/IPv6 Mode field.)
Select Obtain DNS Info Automically if you want the XMG to use the DNS server addresses
assigned by your ISP.
Select Use Following Static DNS Address if you want the XMG 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.
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 Dual Stack Lite on page 65
for more information.
Enable 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
Server IP
Specify the transition router’s IPv6 address.
Table 9 Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
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