How to configure modem/router for Airtel Broadband

If you are buying a new modem to use it with airtel broadband, you will need to know how to configure a modem/router along with wireless settings. Its very easy to do it and you can setup your broadband connection in PPPoE mode, through with the modem will automatically connect to internet as soon as you switch on the modem.

Before you start…make sure you know the username, password of your airtel broadband connection. If you dont have one or you have already done reset of your modem, then you will need to callup the customer service and will be able to give you one..

Make sure that you a phone cable runs through splitter DSL slot to your modem and check the wiring properly. If all is well, as soon as you switch the modem, you will the ADSL link will glow.

Step 1:

Connect your LAN cable, DSL cable to your modem and make sure you wire it properly. Open your browser, depending on your modem (lookup the manual or blindly try all three), you will need to type or  For Netgear modems, you will need to type to access the modem administration page. Usually the default login values are admin and password

Incase you are unable to reach the modem administration page, you will need to open network settings, manually enter the following

Network settings > TCP/IP Properties >

IP Address:

Subnet mask:


Important: The above values should be entered depending upon what  you use for accessing modem page. In the above i have assumed that my modem is linksys and it has default admin page as and the the value you enter in IP address, should be similar to that the gateway. It can be in 192.168.1.XX format where xx can be any value between 2-100 and not 1.

Once you do this, you can reach your modem and access administration page.

Step 2:

Once you gain access to modem administration page, make sure you select and set the following values…

Mode: PPPoE mode

VPI: 1

VCI: 32

Username:  (starts with your phone no)

Password: xxxx

DNS:, (use google dns server instead of ISP provided ones)

You can leave the rest untouched.

Once this is done, you should be able to connect internet through LAN ethernet, but not wirelessly which we will see in the next step

Step 3:

In this step, we will be securing the modem and configure wireless settings. You will need to do the following things to make your modem secure and prevent the public from misusing it. Go to modem admin area.

(i)  Change the default admin password

(ii) Setup wireless with password.

(ii) Enable Mac access restriction, so that only the mac addresses you specify will only be able to the internet. This is very handy if you have one or two computers at home/office where you will need to connect to internet.  To get the mac address, of your wireless adapter, just go to command prompt type ipconfig /all and there you will see the physical mac address of the wireless adapter. In macbook or ipad, this is available in the About in the settings menu.

You can use the above configuration settings which works in most modems, but also for linux. Enjoy!

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Prabhu Balakrishnan

I am an entrepreneur and graduate in Computer science engineering, pretty cool chap, blogging since 2005. My interests are Machine learning, Parallel computing, Computer vision, PHP, Wordpress, Linux etc. I like to chill out with travels, video games and a cup of hot coffee. I am born in India, currently living in Budapest, Hungary. Feel free to contact me anytime!

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  1. Shell H

    Some info about auto-toggling between two broandband connections:

  2. Robin

    There is one more useful information, sometimes you cannot connect to your modem with default credentials:admin & password,
    use your account number to access your modem, your modem mac id might be reconfigured by Airtel.
    So always use username as admin and password as your airtel account number.