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How to use your WiFi ADSL Modem cum router as a Wireless access point only

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Due  to prolonged serviceability of underground cables, recently I was compelled to change my BSNL broadband connection to WiMax . In WiMax connection the output of CPE (Customer Premise Equipment) is an Ethernet port, which can be directly connected to PC for accessing internet. To share the connection for multiple PCs you have to use an additional Wireless Router (For WiFi) or LAN switch. I’ve used my spare  D Link 2730- U WiFi router as a Wireless Access Point to convert the WiMax connection to a WiFi .

D Link 2730 U is an ADSL Wireless router with one WiFi port and four LAN ports. If you want to use this router as a WLAN access point only, the first step is disabling DHCP. For this connect the router with your PC with WiFi or Ethernet cable. Access the Modem Admin page by entering  in browser address bar. Use the default user id “admin” and password “admin”.


Go to the LAN sub menu under Advanced Setup.  By default the DHCP server is enabled. Here you have to Disable the DHCP server. After disabling the setting save it and reboot the router.


Now you can connect Ethernet input cable to one of the four LAN ports of the router. Internet connection on this port will be bridged to other three ports as well as WiFi port. Now the device is converted as a simple WiFi access point. You may be required to enter the IP to your WLAN/Ethernet adaptor of PC/Laptop to establish connectivity (If the network shows “Limited Connectivity”) See the image. In my case the default IP address of the WiMax CPE is which is used as default gateway.


Here I didn’t changed the default IP address of the ADSL router ( just used the router as a bridge only. The same method is applicable to other routers also. Here the points to Note:

  • Get the IP range of the connection which you want to extend. (Connect to network, in command prompt enter ipconfig /all. You will get the IP address and the connected default gateway).
  • To avoid IP conflict, change the IP address of your WiFi router in the same range.
  • Disable DHCP and NAT settings of WiFi Router
  • Connect the input to one of the LAN ports.

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84 comments… add one

  • Vinayananda CO

    Can anyone guide me, how to convert d- link modem cum router to WiFi spreader or repeater with out using cables…

  • Aseef

    Thanks, very helpful

  • ravi

    can any ne tell how to connect dsl line to adsl2 modem+riuter.actually dat dsl line having d RJ45 cable and my adsl is having d RJ11 PORT so please guide me how to do wat to do.

  • i want to know how to change security type & encrytion type this wep to wpa personal , pls guide what to do

  • noufal

    How to convert asianet wifi modem to wifi router (model dpc2320)

    • Benne

      Can anyone tell me can we use the asianet modem for bsnl broadband connection??
      If possible how?
      Pls tel me

  • deepam

    I had bsnl connection earlier and then I shifted to Act broadband but I have Nokia Siemens Modem, can be please explain me how do i convert my existing modem into a router.

  • sinan

    i am using dlink 2750u wifi modem.i change my bsnl broadband to wimax… i want to put password on my wifi.. how to do that ..when i try, wimax page is open not d-link page … please help me ….

  • Tauseef

    I have just bought a new Digisol DG-BG4300NU adsl router with 1x RJ11, 4x LAN & 1x USB Port.

    Problem I am facing is that the Broadband connection is coming through a CAT5 (4 wires) cable.

    Now My ISP guy says that this Digisol DG-BG4300NU is of no use because it does not have WAN port (and extra Ethernet/RJ45) port where i can plug in the RJ45 connector provided by my ISP.

    I have 4x LAN RJ45 connectors but He says that those are in series and nothing can be done with them.

    Really need help to sort this out…

    If someone knows the possibility of making/configuring any of the LAN ports on Digisol DG-BG4300NU as WAN/Ethernet port where it accepts the connection from the ISP and that can be used over wi-fi?

    I tried making the ISP cable as cross-cable and connected to my router but that did not work…


    • Which is your ISP? Are you using any dial-up option (browser based authentication) to connect the broadband? If no such authentication is required, you can very well use the WiFi port of the Digisol modem.

  • Ankit

    I am able to connect my laptop to the router turned ADSL modem, but unable to connect my mobile phone. Is there any setting to change for connecting mobile?

  • vaishno chauhan

    Thanx a ton buddy!!… it works!!..saved me some money.

  • Chandan

    Hello Frnds
    I was able to use my DLink 2730u router on Reliance Broadband,
    but the problem is i am able to connect only one device at a time by putting the ip address, gateway, and subnet mask,
    If i put the same info on other device and try to access it would say ip conflict that is obvious,
    any help would be appreciated
    thank you

  • Prasad

    Dear sir can U plz let me know how to set the adsl wifi router for dsl connection…

  • Akshay

    I hv d-link wifi modem on ground floor and I want to use its range to my 3rd floor
    So what do I need to use wid it which enhance its wifi range with the same wifi modem

    Pls suggest me

    • For a three floor building a single WiFi Modem will not be sufficient. You have to go for a good range extender also.

  • Sajeev

    Hi, thanks for the article. I’m not a tech geek and I don’t understand everything. The help I want is regarding my BSNL broadband connection. I have a digisol modem and wifi is available nearby the modem, but not in my office on another floor. I have a cable from the modem in the office, so I get access to the internet. What should I do if I want wifi in my office? If I get a router and plug in the cable from my modem, will that work? Do I need to configure the router first? How do I do that? What router would you suggest? Thanks for your help.

  • Saugat

    How can I configure the static IP from ISP on the router to be able to use multiple wifi devices at the same time. Obviously if I configure the static IP at the device end, then it will only work one at a time.

  • sachin G

    Hi Friends,
    I am facing issue in transfering files between PC and Smartphone using wi-fi network.
    I had modem and Dlink wifi router that time i was able to transfer files. recently i brought d link wifi router+modem. Now i am not able to transfer files. It shows error mentioning …devices are not on same network.
    Please help me resolve this issue. It will be great help for me.

  • Bali

    I have configured my BB VDSL modem as router with changing the modem ip address with one of my LAN ip address. one of mu LAN network cable connected to VDSL modem and we can access both LAN and internet at the same time in laptop or PC.

    Here problem is anyone on network if select their LAN TCI/IP setting as ‘ obtaim automatically’ then they are able to use the Broadband. I want to restrict it to particular PC and it should be accessble to all through wifi. But in LAN it should be restricted to particular PC.

  • Emerson

    After disabling DHCP now I cant access my router’s home page can anyone help me to solve this?

  • Shail

    Works Perfectly

  • balamurugan

    i using dlink routher modem but on this time i disconnect the bsnl connection.so how to connect other networks( such as mobile network,datacard network..etc.)in the routher..plzzz help me..in my question is the other pc network is linked into the routher and use the routher wireless connection in mobiles…

  • I have Beetel 450TC2 ADSL Modem Router connected to ISPs RJ 11 (Phone Line – DSL) at ground floor of my home. All devices 3 laptops and 3 Android Phones (Yureka, Mi3 and Samsung S5) are connected over WiFi and enjoy good signal n speeds on ground floor and front half of first floor.

    I need WIFI n Internet connectivity at full first and second floor and possibly 3rd floor (if not asking too much)

    I have spare D-Link DSL-G604T and D-Link DSL-2640T, WiFi ADSL modem routers.

    Primary DSL Modem Router Beetel 450TC2 has PPPoE Airtel Connection with dynamic ip from ISP. My DSL is on 24×7.
    IP Address:

    Laptops n Smartphones get anything like – 9 at max and even more when guests are here.

    I do not have option to connect the 450TC2 and G604T /2640T using wire (Phone or CAT 5/6 or Electric) as per design of house building.

    I cannot use G604T /2640T as primary router.

    I do see WDS setting in Beetel 450TC2 but not in G604T /2640T.

    I have not changed anything on 450TC2, however i have RESET G604T /2640T and then changed following using wired lan connection between PC n G604T / 2640T

    IP of G604T /2640T to
    Wireless SSID n Channel to be same as 450TC2 i.e. SabharwalHome and 1
    DHCP at G604T /2640T has been disabled.

    No ATM/PPP settings have been configured as the G604T /2640T devices have been HARD RESET using the button provided.

    Please help!

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