Specify Your Internet Settings 
22
Nighthawk AC1900 WiFi Cable Modem Router 
 To specify the Internet connection 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 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 screen displays.
4.  Select ADV
ANCED > Setup > Internet.
Scroll to 
view more 
settings
5.  If your Internet connection requires an account name or host name, type it in the Account 
Name (If Required) field.
6.  If your Internet connection requires a domain name, type it in the Domain Name (If 
Required) field. 
For the other sections in this screen, the default settings usually work, but you can 
change them.
7.  For the Internet IP 
Address setting, select one of the following radio buttons:
• Get Dynamically from ISP. 
Your ISP uses DHCP to assign your IP address. Your ISP 
automatically assigns these addresses.
• Use Static IP 
Address. Enter the IP address, IP subnet mask, and the gateway IP 
address that your ISP assigned. The gateway is the ISP modem router to which your 
modem router connects.
8.  For the Domain Name Server (DNS) Address setting, select one of the following radio 
buttons: