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Manage the WAN and LAN
Network Settings
141
N600 and AC750 WiFi DSL Modem Routers
7.
Click the
Edit
button.
The Edit screen displays.
8.
Change the settings.
9.
Click the
Apply
button.
Your settings are saved.
Remove a Reserved IP Address Entry
You can remove a reserved IP address entry.
To remove a reserved IP address entry:
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.
In the Address Reservation section, select the radio button next to the reserved address.
7.
Click the
Delete
button.
The address entry is removed.
Change the Modem Router’s Device Name
The modem router’s default device name is D3600 or D6000, depending on the model. This
device name displays in a file manager when you browse your network.
To change the modem router’s device name:
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.
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Manage the WAN and LAN
Network Settings
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N600 and AC750 WiFi DSL Modem Routers
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.
In the
Device Name
field, enter a new name.
7.
Click the
Apply
button.
Your settings are saved.
Manage the DHCP Server Address Pool
By default, the modem router acts as a Dynamic Host Configuration Protocol (DHCP) server.
The modem router assigns IP, DNS server, and default gateway addresses to all computers
that are connected to its LAN and WiFi network. The assigned default gateway address is the
LAN address of the modem router.
These addresses must be part of the same IP address subnet as the modem router’s LAN IP
address. The default DHCP address pool is 192.168.1.2–192.168.1.254.
The modem router delivers the following parameters to any LAN device that requests DHCP:
An IP address from the range that you define
Subnet mask
Gateway IP address (the modem router’s LAN IP address)
DNS server IP address (the modem router’s LAN IP address)
To specify the pool of IP addresses that the modem router assigns:
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
.
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Network Settings
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N600 and AC750 WiFi DSL Modem Routers
6.
Make sure that the
Use Router as DHCP Server
check box is selected.
This check box is selected by default.
7.
Specify the range of IP addresses that the modem router assigns:
In the
Starting IP Address
field, enter the lowest number in the range.
This IP address must be in the same subnet as the modem router. By default, the
starting IP address is 192.168.1.2.
In the
Ending IP Address
field, enter the number at the end of the range of IP
addresses.
This IP address must be in the same subnet as the modem router. By default, the
ending IP address is 192.168.1.254.
8.
Click the
Apply
button.
Your settings are saved.
Disable the Built-In DHCP Server
By default, the modem router functions as a DHCP server. The modem router assigns IP,
DNS server, and default gateway addresses to all devices connected to the LAN. The
assigned default gateway address is the LAN address of the modem router.
You can use another device on your network as the DHCP server or specify the network
settings of all your computers.
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Network Settings
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N600 and AC750 WiFi DSL Modem Routers
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 192.168.1.100.
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.
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Manage the WAN and LAN
Network Settings
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N600 and AC750 WiFi DSL Modem Routers
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 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.
Click the
Add
button.

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