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216
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
Note:
If you disable the DHCP server and no other DHCP server is available
on your network, you must set your computer IP addresses manually
so that they can access the modem router.
To disable the built-in DHCP server:
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 > LAN Setup
.
The LAN Setup screen displays.
6.
Clear the
Use Router as DHCP Server
check box.
7.
Click the
Apply
button.
Your settings are saved.
Set Up and Manage Custom Static Routes
Static routes provide detailed routing information to your modem router. Typically, you do not
need to add static routes. You must configure static routes only for unusual cases such as
when you use multiple routers or multiple IP subnets on your network.
As an example of when a static route is needed, consider the following case:
Your primary Internet access is through an ADSL modem to an ISP.
You use an ISDN router on your home network for connecting to the company where you
are employed. This router’s address on your LAN is 192.168.0.100.
Your company’s network address is 134.177.0.0.
When you first configured your modem router, two implicit static routes were created. A
default route was created with your ISP as the gateway and a second static route was
created to your local network for all 192.168.0.x addresses. With this configuration, if you
attempt to access a device on the 134.177.0.0 network, your modem router forwards your
request to the ISP. The ISP forwards your request to the company where you are employed,
and the request is likely to be denied by the company’s firewall.
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In this case, you must define a static route, instructing your modem router that 134.177.0.0 is
accessed through the ISDN modem router at 192.168.0.100. Here is an example:
Through the destination IP address and IP subnet mask, specify that this static route
applies to all 134.177.x.x addresses.
Through the gateway IP address, specify that all traffic for these addresses is forwarded
to the ISDN modem router at 192.168.0.100.
A metric value of 1 works fine because the ISDN modem router is on the LAN.
Set Up a Static Route
You can add a static route to a destination IP address and specify the subnet mask, gateway
IP address, and metric.
To set up a static route:
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 > Advanced Setup > Static Routes
.
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The previous figure shows two routes in the table as an example.
6.
Click the
Add
button.
7.
To make the route private, select the
Private
check box.
A private static route is not reported in RIP.
8.
To prevent the route from becoming active after you click the
Apply
button, clear the
Active
check box.
In some situations, you might want to set up a static route but keep it disabled until a later
time. By default, the
Active
check box is selected and a route becomes active after you
click the
Apply
button.
9.
Enter the settings as described in the following table.
Field
Description
Destination IP
Address
Enter the IP address for the final destination of the route.
IP Subnet Mask
Enter the IP subnet mask for the final destination of the route.
If the destination is a single host, enter
255.255.255.255
.
Gateway IP
Address
Enter the IP address of the gateway.
The IP address of the gateway must be on the same LAN segment as the modem router.
Metric
Enter a number from 1 through 15.
This value represents the number of routers between your network and the destination.
Usually, a setting of 2 or 3 works, but if this is a direct connection, set it to
1
.
10.
Click the
Apply
button.
Your settings are saved. The static route is added to the table on the Static Routes
screen.
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Change a Static Route
You can change an existing static route.
To change a static route:
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 > Advanced Setup > Static Routes
.
The Static Routes screen displays.
6.
In the Static Routes table, select the radio button to the left of the route that you want to
change.
7.
Click the
Edit
button.
The screen adjusts.
8.
Change the settings for the route.
For more information about the settings, see
Set Up a Static Route
on page
217.
9.
Click the
Apply
button.
The route is updated in the table on the Static Routes screen.
Remove a Static Route
You can remove an existing static route that you no longer need.
To remove a static route:
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.
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The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup > Static Routes
.
The Static Routes screen displays.
6.
In the Static Routes table, select the radio button to the left of the route that you want to
remove.
7.
Click the
Delete
button.
The route is removed from the table on the Static Routes screen.

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