Posted: Sun Apr 15, 2012 18:19 Post subject: Flashing DD-WRT onto Asus RT-N66U
I recently bought an Asus RT-N66U router. The DD-WRT database says this router is supported, but I already bricked one of these after trying to flash DD-WRT onto it (using the same basic procedure I've used before for flashing DD-WRT on other routers). Is there a guide for flashing DD-WRT onto this model? I've seen guides for others.
Posted: Mon Apr 16, 2012 3:11 Post subject: Re: Flashing DD-WRT onto Asus RT-N66U
FlyingToaster wrote:
I recently bought an Asus RT-N66U router. The DD-WRT database says this router is supported, but I already bricked one of these after trying to flash DD-WRT onto it (using the same basic procedure I've used before for flashing DD-WRT on other routers). Is there a guide for flashing DD-WRT onto this model? I've seen guides for others.
Follow these steps carefully and you should have no issue’s completing this.
- Set your NIC card to static > IP 192.168.1.12, Subnet 255.255.255.0, Default gateway192.168.1.1
- Put router into recovery mode by holding down the reset button while powering up the router, wait until the power led is blinking slowly, then release the reset button.
- Access the router’s built in recovery mode by issuing 192.168.1.1 in browser field.
- Flash DD-WRT build (e.g.) Asus-RT-N66U_18777_mini build and upload. When completed wait at least 10 minutes.
- Put router into recovery mode by holding down the reset button while powering up the router, wait until the power led is blinking slowly, then release the reset button.
- Flash DD-WRT build (e.g.) Asus-RT-N66U_18777_big build and upload. When completed wait at least 10 minutes
- Put router into recovery mode by holding down the reset button while powering up the router, wait until the power led is blinking slowly, then release the reset button.
- Select Reset NVRAM defaults when it completes (should be quick), in the browser field, type in http://192.168.1.1/do.htm?cmd=nvram+commit. When done press enter. When complete select reboot and wait 5-10 minutes for the router to reboot and start building its layers.
- Now you should be able to access via web gui 192.168.1.1 and it should be DD-WRT.
Posted: Sat May 26, 2012 14:46 Post subject: WAN port
I've flashed my router the way it was told in the forum, but my wan port is no working.
I tried to use automatic DHCP as I used to do on my older router and it doesn't work. I also tried static IP, but again it doesn't work.
So I flhased the router to its original firmware and the port works fine. Then I flashed againg to DDWRT as told in this forum, but I got the same problem with my wan port
Where can i find the firmware to download?
Do i need to restore the factory firmware and start it all over again? or can i just upgrade the firmware i'm using (18702)?
I think i did something totally wrong...it seems that the box is now in somekind strange status. The power light is on but it doesn't even try to get connection from WAN
Ok got DD-WRT flashed with the asus recovery tool.
But I can't get the box to connect to WAN. WAN gets no ip at all. I flashed the build mentioned on the wiki pages (18946 BIG). What is the difference with big and mega?
one thing I found when using Asus's firmware recovery tool - if you have wireless card turned on on your laptop the tool would not connect to router (gets confused by two lan interfaces). works when you turn wifi card off.
Joined: 04 Feb 2007 Posts: 426 Location: Fountain of Youth
Posted: Mon Jul 09, 2012 22:00 Post subject:
joecop67 wrote:
rafatutihashi wrote:
Where can i find the firmware to download?
Do i need to restore the factory firmware and start it all over again? or can i just upgrade the firmware i'm using (18702)?
Posted: Mon Aug 27, 2012 9:35 Post subject: Cannot install DD-WRT
I've killed about 4 hours trying to get DD-WRT installed on my Asus RT-N66U. I've followed all of the steps in this post, but I cannot get any version (tried 18702, 18946, 19342, 19519) of DD-WRT to boot (mini, big, mega, etc.). I tried using the web gui and the utility with each version.
I use a static IP configuration on my desktop the entire time.
I'm able to flash the original Asus firmware back onto the device and that works.
Once I upload a DD-WRT through the web guy or utility, I wait 10 minutes, restart it in recovery mode, successfully reset NVRAM, then reboot. The device boots, both wireless LEDs go solid, but I can never ping 192.168.1.1 or access it via the browser.
Anybody have any idea what might be going on here?
Joined: 04 Feb 2007 Posts: 426 Location: Fountain of Youth
Posted: Mon Aug 27, 2012 13:17 Post subject:
As I understand it, there is a not enough NVRAM allocated for this dual band radio. 64kb is needed and only 32kb is allocated. That being said, modded firmware that overcomes this problem is here: