Specify Network Settings 
60
Nighthawk AC1900 WiFi Cable Modem Router 
 To change the LAN TCP/IP settings:
1.  Launch an Internet browser from a computer or wireless device that is connected to the 
network.
2.  T
ype http://www.routerlogin.net or http://www.routerlogin.com.
A login screen displays.
3.  Enter the 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 screen displays.
4.  Select ADV
ANCED > Setup > LAN Setup.
5.  In the IP Address field, type the IP address.
6.  In the IP Subnet Mask, type the subnet mask of the modem router. 
The IP address and subnet mask identifies which addresses are local to a specific device 
and which must be reached through a gateway or modem router.
7.  Click the Apply button.
Your changes are saved.
If you changed the LAN IP address of the modem router, you are disconnected when this 
change takes ef
fect.
8.  To reconnect, close your browser, relaunch it, and log in to the modem router