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196
11
11.
Manage the WAN and LAN
Network Settings
This chapter describes how you can manage the WAN and LAN network settings of the modem
router.
The chapter includes the following sections:
•
Change the Physical WAN Connection Preference
•
Enable the WAN2 Interface for IPTV
•
Enable and Configure a VLAN
•
Set Up a Bridge for a Port Group or VLAN Tag Group
•
Manage the WAN Security Settings
•
Set Up a Default DMZ Server
•
Manage IGMP Proxying
•
Manage NAT Filtering
•
Manage the SIP Application-Level Gateway
•
Manage the Modem Router’s LAN IP Address Settings
•
Manage the Router Information Protocol Settings
•
Manage Reserved LAN IP Addresses
•
Change the Modem Router’s Device Name
•
Manage the DHCP Server Address Pool
•
Disable the Built-In DHCP Server
•
Set Up and Manage Custom Static Routes
For information about the IPv4 Internet settings, IPV6 settings, and MTU size, see
Chapter 3,
Manage the Internet Settings Manually
.
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AC1600 WiFi VDSL/ADSL Modem Router Model D6400
Change the Physical WAN Connection Preference
The modem router can autodetect the type of WAN connection. However, you can also set
the WAN connection preference manually to either the DSL port or the Ethernet WAN port.
Note:
The modem router does not support load balancing over ADSL and
Ethernet WAN interfaces. Only
one
WAN interface (either the DSL
port or the Ethernet WAN port) can be active at any time.
To change the WAN connection preference:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup screen displays.
6.
From the
WAN Preference
menu, select one of the following options:
•
Auto-Detect
. The modem router automatically detects whether the WAN connection
is DSL over the DSL port or Ethernet over the Internet port.
Auto-Detect
is the default
setting.
•
Must use DSL WAN
. The modem router uses the DSL port for a DSL WAN
connection. The Internet port is shut down.
•
Must use Ethernet WAN
. The modem router uses the Internet port for an Ethernet
WAN connection. The DSL port is shut down.
7.
Click the
Apply
button.
Your settings are saved.
Enable the WAN2 Interface for IPTV
The modem router provides one physical DSL WAN interface and one physical Ethernet
WAN interface; either one or the other is enabled for Internet service. Whichever physical
WAN interface is enabled, it can be divided into two
virtual
interfaces, WAN1 and WAN2.
This section refers to these virtual WAN interfaces. For information about changing the
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Manage the WAN and LAN Network Settings
198
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
physical WAN interfaces, see
Change the Physical WAN Connection Preference
on
page
197.
The modem router uses virtual interface WAN1 for regular Internet service. The modem
router can use virtual interface WAN2 for Internet Protocol television (IPTV) service. By
default, interface WAN1 is enabled and interface WAN2 is disabled. In most cases, if you are
not subscribed to IPTV service, you do not need to enable interface WAN2.
If your ISP provides IPTV service in addition to regular Internet service and you are
subscribed to IPTV, you might need to configure and enable interface WAN2. You might also
need to configure one or more VLANs and set up a bridge:
•
For information about configuring VLANs, see
Enable and Configure a VLAN
on
page
199.
•
For information about setting up a bridge, see
Set Up a Bridge for a Port Group or VLAN
Tag Group
on page
201
To enable virtual interface WAN 2:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the modem router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
Internet
.
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AC1600 WiFi VDSL/ADSL Modem Router Model D6400
The previous figure shows only the top of the Internet Setup screen.
6.
From the menu below DSL mode, select
WAN2
.
7.
Select the
Enable This Interface
check box.
By default, the
Enable This Interface
check box is selected for interface WAN1 but
cleared for interface WAN2.
8.
Click the
Apply
button.
Your settings are saved.
Enable and Configure a VLAN
A network of computers and devices can behave as if they are connected to the same
network even though they might actually be physically on different segments of a LAN. Virtual
LANs (VLANs) are configured through software rather than hardware, which makes them
very flexible.
If you enable a VLAN and if the network devices (hubs and switches) on your LAN support
the VLAN (802.1Q) standard, the VLAN ID for the wireless access point is associated with all
traffic coming from the modem router.
If you are subscribed to IPTV service, the modem router might require VLAN tags to
distinguish between the Internet traffic and IPTV traffic.
Note:
If your ISP provides directions on how to set up VLANs for IPTV and
Internet service, follow those directions.
To enable and configure a VLAN for interface WAN1 and another VLAN for interface
WAN2:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
Internet
.
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Manage the WAN and LAN Network Settings
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AC1600 WiFi VDSL/ADSL Modem Router Model D6400
The previous figure shows only the top of the Internet Setup screen.
6.
Configure a VLAN for interface WAN1:
a.
Make sure that
WAN1
is selected from the menu and that the
Enable This Interface
check box is selected for interface WAN1 (it is by default).
b.
Select the
Use VLANID
check box.
c.
Enter a VLAN ID that applies to interface WAN1.
The VLAN ID can be in a range from 0 to 4094. The default VLAN ID is 0.
d.
To specify a priority for the VLAN, in the
Priority (802.1p)
field, enter a value from 0
to 7.
e.
Click the
Apply
button.
Your settings are saved for interface WAN1.
7.
Configure a VLAN for interface WAN2:
a.
From the menu below DSL mode, select
WAN2
.
b.
Make sure that the
Enable This Interface
check box is selected for interface WAN2.
If you already enabled interface WAN2 (see
Enable the WAN2 Interface for IPTV
on
page
197), the check box is selected.
c.
Select the
Use VLANID
check box.
d.
Enter a VLAN ID that applies to interface WAN2.
The VLAN ID can be in a range from 0 to 4094. The default VLAN ID is 0.
e.
To specify a priority for the VLAN, in the
Priority (802.1p)
field, enter a value from 0
to 7.
f.
Click the
Apply
button.
Your settings are saved for interface WAN2.

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