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de-bricking wrt54gs V2-timeout

Discussion in 'DD-WRT Firmware' started by hwshi, Feb 9, 2006.

  1. hwshi

    hwshi Guest

    I am going through method#2 of de-bricking my router. Once I get to the step of using tftp to upload my new firmware i keep getting a time out after 1 minute.
    I have tried the upgrade utility and several different firmwares and yet I can not de-brick this bastard.
    I can ping the router.
    Any help would be appreciated.
     
  2. grcore

    grcore Network Guru Member

    I had some rough times debricking the V1.0 and V2.0 GS units myself (the G units seem so easy in comparison). The window that you need to hit sometimes is insanely small.

    What really helps is if you have an ethernet hub you can use in between your PC and the router. What happens is the NiC in your PC takes a second or so to negotiate the connection, and by that time the tftp window is closed. If you connect the router and your PC to a hub, your PC does not need to re-negotiate the network connection when the router powers up. I just run ping -t 192.168.1.1 and fire up the linksys tftp program and have it ready to go, then plug the router in and as soon as I get a ping reply I hit it.

    If it does not start uploading immediately, its not going to do it. Also when the flash does work, you have to wait till the router reboots itself before doing anything (the upload takes place but it actually takes a few minutes for the flashing process to complete).

    I have bricked my WRTs probably close to a hundred times, and used this process to debrick them. Has not failed me yet. Do not do that pin-short hack, you can kill your unit permanenly by doing that.

    g
     
  3. jgxhs

    jgxhs Network Guru Member

    I use this firmware first

    wrt54g_1.42.2_fw.bin


    In windows

    start -> run -> cmd -> tftp -i 192.168.1.1 put c:\wrt54g_1.42.2_fw.bin

    this is for the WRT54G

    you can see when the window of opportunity is by starting a ping going just before powering up the router

    ping -t xxxxxxxxxx
     
  4. grcore

    grcore Network Guru Member

    That's fine if your WRT uses the adm6996L ethernet controller, but if you have the one with a broadcom chip, you likely will loose your wired ports....

    I believe that fw came out originally on the gv1.1

    g
     

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