Put the IP address in Local Area Connection as-
IP Add: 192.168.1.11 (Say)
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.1
Step 1: Open Internet Explorer or other browser, and put 192.168.1.1 in address bar of browser and hit enter. One window of modem configuration will open, put the user name and password as-
User Name: admin
After providing user name and password, you will come to the home page of modem.
After your successful login, you will see the Login screen as shown in Figure below. Click Quick Setup menu to access Quick Setup Wizard.
The modem router supports three modes: ADSL Modem Router Mode, 3G Router Mode and Wireless Router Mode. Choose your desired mode i.e. ADSL Modem Router Mode (In this mode, the device enables multi-users to share Internet via ADSL using its ADSL port and share it wirelessly at 300Mbps wireless 802.11n speeds) and then click Next.