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Chapter 6 Broadband
VMG5313-B10A/-B30A Series User’s Guide
88
DHCP
option 43
Enable
This field displays when editing an existing WAN interface. Type the vender specific
information you want the VMG 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.
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.
Full cone 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 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
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 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
Default
Gateway
Select this option to have the VMG use the WAN interface of this connection as the system
default 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.
Tunnel (This is available only when you select IPv4 Only or IPv6 Only in the IPv6/IPv4 Mode field.)
The DS-Lite (Dual Stack Lite) fields display when you set the IPv6/IPv4 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 82 for more information.
The 6RD (IPv6 rapid deployment) fields display when you set the IPv6/IPv4 Mode field to IPv4 Only. See
IPv6 Rapid Deployment on page 81 for more information.
Enable DS-Lite This is available only when you select IPv6 Only in the IPv6/IPv4 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.
Enable 6RD This is available only when you select IPv4 Only in the IPv6/IPv4 Mode field. Select
Enable to tunnel IPv6 traffic from the local network through the ISP’s IPv4 network.
6RD Type Select Static if you have the IPv4 address of the relay server, otherwise select DHCP to
have the Device detect it automatically through DHCP.
Table 8 Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
LABEL DESCRIPTION