Nighthawk AC1900 WiFi Cable Modem Router
Specify Network Settings User Manual42
5. Select the Default DMZ Server check box.
6. Type the IP address.
7. Click the Apply button.
Your change takes effect.
Change the Modem Router’s Device Name
The modem router’s device name is C6900. This device name displays in file manager when
you browse your network.
To change the modem router’s device name:
1. Launch an Internet browser from a computer or wireless device that is connected to the
network.
2. Type http://www.routerlogin.net or http://www.routerlogin.com.
A login window opens.
3. Enter the user name and password.
The user name is admin. The user name and password are case-sensitive.
The BASIC Home page displays.
4. Select ADVANCED > Setup > LAN Setup.
5. In the Device Name field, type a new name.
6. Click the Apply button.
Your change is saved.
Change the LAN TCP/IP Settings
The modem router is preconfigured to use private IP addresses on the LAN side and to act as
a DHCP server. The modem router’s default LAN IP configuration is as follows:
• LAN IP address. 192.168.0.1
• Subnet mask. 255.255.255.0
These addresses are part of the designated private address range for use in private networks
and are suitable for most applications. If your network requires a different IP addressing
scheme, you can change these settings
You might want to change these settings if you need a specific IP subnet that one or more
devices on the network uses, or if you have competing subnets with the same IP scheme.
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