Chapter 6 Broadband
VMG1312-Bx0D User’s Guide
68
option 125 Select this to have the VMG 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
Address
Automatically
Select Obtain an IPv6 Address Automatically if you want to have the VMG use the IPv6
prefix from the connected router’s Router Advertisement (RA) to generate an IPv6 address.
Static IPv6
Address
Select Static IPv6 Address if you have a fixed IPv6 address assigned by your ISP. When
you select 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
Gateway
Enter the IP address of the next-hop gateway. The gateway is a router or switch on the
same segment as your VMG'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
Enable
Select this checkbox to have the VMG act as an MLD proxy on this connection. This allows
the VMG to get subscription 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.
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 Info
Automatically
Select Obtain IPv6 DNS Info Automatically to have the VMG get the IPv6 DNS server
addresses from the ISP automatically.
Use Following
Static IPv6 DNS
Address
Select Use Following Static IPv6 DNS Address to have the VMG use the IPv6 DNS server
addresses you configure manually.
Primary DNS
Server
Enter the first IPv6 DNS server address assigned by the ISP.
Secondary DNS
Server
Enter the second IPv6 DNS server address assigned by the ISP.
Bridging and Routing in the same WAN
Use this feature to bridge a LAN port(s) with the WAN interface. Traffic to/from LAN ports not in the bridge is
routed from the WAN interface.
ADSL use same VPI/VCI in Bridge and Route modes.
VDSL use same VLAN in Bridge and Route modes.
Enable Con-
current WAN
Enable this if you want to use the same VPI/VCI settings in different WAN interfaces. Select
this and then choose the ports to bridge with the WAN interface.
• ADSL concurrent WAN uses the same VCI/PVI in both routing and bridge modes.
• VDSL concurrent WAN uses same VLAN in both routing and bridge mode.
OK Click OK to save your changes back to the VMG.
Cancel Click Cancel to exit this screen without saving.
Table 8 Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
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