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extend network wirelessly with WRT54GS

Discussion in 'Cisco/Linksys Wireless Routers' started by javier, Jul 28, 2011.

  1. javier

    javier Networkin' Nut Member

    v1.1

    I have my ISPs router which is a wireless router. I want to extend this same wlan wirelessly, meaning getting a WRT54GS to log on over WLAN to my ISPs SSID and then use the ethernet ports in the WRT router to extend the network to some wired devices.

    Is this possible at all? Thanks in advance!!!
     
  2. jgutz20

    jgutz20 Network Guru Member

    There are a couple of ways to do this, Bridges, WDS and you can use your WRT as a wireless client to make the switched ports active. what make/model is your ISP's Router?
     
  3. javier

    javier Networkin' Nut Member

    It's a netgear cg3000.

    Thats basically what I want, but I cannot figure out how to configure the WRT. I cannot do changes at the ISP side as they manage their router...
     
  4. jgutz20

    jgutz20 Network Guru Member

    well this link will get you all the detail you could ever want (assuming your using DD-WRT) but if you understand what its accomplishing, you can do this with other firmware as well:
    http://www.dd-wrt.com/wiki/index.php/Wireless_Bridge

    Basically, you will not use the WAN port on the WRT router unless you are able to change it to "switched" mode from 3rd party firmware. You will be disabling DHCP from this router, and then depending on the firmware, setting the router to "bridge" mode and then configuring the router with the proper ISP routers SSID/Security etc so that once connected to the ISP router, that router can distribute the addresses. Your WRT router will then have a local IP in the same subnet as the ISP's router, upon plugging devices physically into this WRT router, those DHCP broadcast requests will be passed on to the ISP router and then receive an IP address. Now those wired devices can get online.
     

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