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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.
Note
To disable the built-in DHCP server:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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.
The BASIC Home page displays.
4.
Select
ADVANCED > Setup > LAN Setup
.
The LAN Setup page displays.
5.
Clear the
Use Router as DHCP Server
check box.
6.
Click the
Apply
button.
Your settings are saved.
Change the Modem Router’s Device Name
The modem router’s device name is D7800.
This device name displays in a file manager when you browse your network.
To change the modem router’s device name:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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.
The BASIC Home page displays.
4.
Select
ADVANCED > Setup > LAN Setup
.
The LAN Setup page displays.
Manage the WAN and LAN Network Settings
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5.
Click the upper
Edit
button.
The Device Name page displays.
6.
In the
Device Name
field, enter a new name.
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 192.168.1.100.
•
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 192.168.1.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.
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 192.168.1.100. 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 192.168.1.100.
•
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 a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
Manage the WAN and LAN Network Settings
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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.
The BASIC Home page displays.
4.
Select
ADVANCED > Advanced Setup > Static Routes
.
The Static Routes page displays.
5.
Click the
Add
button.
6.
To make the route private, select the
Private
check box.
A private static route is not reported in RIP.
7.
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.
8.
Enter the settings as described in the following table.
Description
Field
Enter the IP address for the final destination of the route.
Destination IP Address
Enter the IP subnet mask for the final destination of the route.
If the destination is a single host, enter
255.255.255.255
.
IP Subnet Mask
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Description
Field
Enter the IP address of the gateway.
The IP address of the gateway must be on the same LAN segment as the modem router.
Gateway IP Address
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
.
Metric
9.
Click the
Apply
button.
Your settings are saved. The static route is added to the table on the Static Routes page.
Change a Static Route
You can change an existing static route.
To change a static route:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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.
The BASIC Home page displays.
4.
Select
ADVANCED > Advanced Setup > Static Routes
.
The Static Routes page displays.
5.
In the Static Routes table, select the radio button to the left of the route.
6.
Click the
Edit
button.
The page adjusts.
7.
Change the settings for the route.
For more information about the settings, see
Set Up a Static Route
on page 212.
8.
Click the
Apply
button.
The route is updated in the table on the Static Routes page.
Manage the WAN and LAN Network Settings
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Remove a Static Route
You can remove an existing static route that you no longer need.
To remove a static route:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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.
The BASIC Home page displays.
4.
Select
ADVANCED > Advanced Setup > Static Routes
.
The Static Routes page displays.
5.
In the Static Routes table, select the radio button to the left of the route.
6.
Click the
Delete
button.
The route is removed from the table on the Static Routes page.
Manage the WAN and LAN Network Settings
215
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800

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