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WRT54G Bootable IP

Discussion in 'DD-WRT Firmware' started by FuMi22, Apr 10, 2008.

  1. FuMi22

    FuMi22 LI Guru Member


    How I can change bootable ip address?
    I have WRT54G in the IP -->
    I hold down the reset button and plug in the power and waiting 2 seconds and leave reset button... WRT54G responds in the always..

    This ip is a bootable IP.. how can i change this¿?

  2. HennieM

    HennieM Network Guru Member

    A device such as a router, that does not have a screen and keyboard, is only accessible through a network connection. Therefore, when it starts, it must have an IP address. This IP address can be anything as long as we know what it is. Linksys has opted to give its WRT54Gx routers the default IP of

    Now, when you can access or connect to this router, you can change this IP via the web interface of the router (by going to If you now change and save this new IP, the router will have the new IP the next time it boots (so your new IP now is the "bootable IP" ;) If you now want to access the router, you must go to http://whatever.the.new.ip/

    However, when you do the power/reset button thing, you are saying "Mr. router, go back to your default settings", and this involves going back to the default IP of (among many other settings that also go back to defaults).

    If you just want to restart the router, without having it go back to its default settings, just pull out the power, wait 10 seconds, and plug the power back in.
  3. FuMi22

    FuMi22 LI Guru Member

    If i have IP and I plug in the power while I hold the reset button the router boot with IP Now restart router and router boot with IP

    Always I make this steps:
    1.- Press and hold reset with no power.
    2.- Hold button reset and plug in power

    Router boot with IP without web service, dhcp service, etc... Only with TFTP service for upgrade firmware...
  4. LLigetfa

    LLigetfa LI Guru Member

    I could see where it may be desirable to change the IP it resets to by default. I'll use myself as an example.

    When I first setup my hotspot network that is comprised of a dozen APs, not one of the APs used as the default so I set my default gateway router to knowing that any device reset to factory default would not cause an IP conflict with the default gateway. I have since found DD-WRT and Tomato which do default to that IP and if one were to do so accidentally or deliberately, it would ARP steal the default gateway and could take down my network.
  5. HennieM

    HennieM Network Guru Member

    OK, then the only option I can think of is to get a hold of the firmware source code, change the default IP, and then recompile and install.
  6. FuMi22

    FuMi22 LI Guru Member

    I just do it! I change nvram defaults and rebuild firmware.. If I make a reset the default IP is correct. But if I hold reset with no power and connect power to router this router ping to always! :frown:


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