Asus RT-N66U

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lkbrow1
DD-WRT Novice


Joined: 10 Aug 2009
Posts: 12

PostPosted: Sat Aug 04, 2012 15:50    Post subject: Reply with quote
Strange things happen when NVRAM size is exceeded. I first noticed the SYSINFO web page was gone. Then the router would not reboot.

I have 14 bytes free now since doing a partial reconfigure. I need at least 60 bytes more Sad
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RMerlin
DD-WRT User


Joined: 05 Mar 2012
Posts: 273

PostPosted: Sat Aug 04, 2012 16:36    Post subject: Re: Rmerlin's firmware Reply with quote
GH0 wrote:
Rmerlin,

Are you planning on putting any support for afraid.org in your firmware?


No.
Antioch
DD-WRT Novice


Joined: 08 Apr 2011
Posts: 6

PostPosted: Mon Aug 06, 2012 20:31    Post subject: Re: Results Reply with quote
luttjebo wrote:
Installed the tomato-K26USB-1.28.RT-N5x-MIPSR2-097-VPN-64K.trx ...

Did a little digging as I was back to 18 to 20Mb/s from the moment Tomato was installed. Found it was the Frame Burst setting that defaults to Disable. Changed it to Enabled and voila... back in business.

I now have Tomato running instead of stock firmware and Tomato gives me 26.5Mb/s flat on MCS15 with -66. Personally, I think this is pretty cool.


Does DD-WRT have "Frame Burst" as well? If so, does enabling it on DD-WRT firmware also increase the throughput speed?

I'm looking to buy this router, but am not willing to suffer with degraded throughput.

Thanks!
oh2d
DD-WRT Novice


Joined: 01 Apr 2012
Posts: 4

PostPosted: Sat Aug 11, 2012 6:29    Post subject: Reply with quote
Hi guys so tonight is the first time i go to us port forwarding on the n66u running ddwrt and i can not seem to get it to work. Port scans tell me the port is open but no clients can connect to the server on the internal network. I'm not sure if this is some kind of common problem ass i have ready of people issuing certain command s to "flush" the ip tables or if this is an issue with this build of ddwrt on the n66u. Curious if you guys could help me out? Thanks in advance guys!
GH0
DD-WRT User


Joined: 05 Dec 2008
Posts: 249

PostPosted: Sun Aug 12, 2012 15:44    Post subject: Reply with quote
I was able to grab something, that I am not sure will be able to help the USB ext2/3 issues, but I would like to know either way if this is helpful.


CPU 0 Unable to handle kernel paging request at virtual address fe287000, epc == 803598a4, ra == 80014a18
Oops[#1]:
Cpu 0
$ 0 : 00000000 1100fc00 fe287000 ffffffe0
$ 4 : 00000020 fe287fe0 00002000 00000001
$ 8 : 0000000c 00000002 00000000 87ad8000
$12 : 2e3d0a00 00000017 54d85200 00989651
$16 : 00002000 fe286000 80501080 00000001
$20 : 0000000c 00017000 87d3e284 c0010300
$24 : 00008000 2ab69760
$28 : 87da2000 87da3e18 00000001 80014a18
Hi : 00000000
Lo : 00000000
epc : 803598a4 Not tainted
ra : 80014a18 Status: 1100fc03 KERNEL EXL IE
Cause : 00000008
BadVA : fe287000
PrId : 00019749
Modules linked in: nf_nat_pptp nf_conntrack_pptp nf_nat_proto_gre nf_conntrack_proto_gre etherip ext3 jbd ext2 mbcache usb_storage sd_mod scsi_wait_scan scsi_mod ohci_hcd uhci_hcd ehci_hcd usbcore nls_base switch_robo switch_core bcm57xx
Process usb-storage (pid: 728, threadinfo=87da2000, task=805bf178)
Stack : 80074b0c 805bf178 87d3e308 00000000 87d7e270 fe286000 00000007 80014a18
87d3e284 00000000 80356d34 87d070f8 87d7e200 00017000 87d3e2e4 87cfd0d4
00017000 87d0937c 80025924 00100100 00200200 00000000 87d3e284 00017000
c0010300 87cfd0d4 00017000 0000001f 87d3e284 00000000 00000000 87d817fc
87da3e94 8059b108 c0010300 00000000 87d7e200 0000000c 00017000 00000010
...
Call Trace:[<80074b0c>][<80014a18>][<80356d34>][<87d070f8>][<87d0937c>][<80025924>][<87d817fc>][<87d81bb0>][<80024408>][<87d82248>][<80355efc>][<800258d0>][<87d64628>][<87d83064>][<803560fc>][<800270f4>][<87d82e58>][<87d82e58>][<80043708>][<800436e8>][<8000bf38>][<8000bf28>]

Code: 00041823 00432824 02231024 <bc550000> 1445fffe 00441021 8fbf001c 8fb20018 8fb10014
macjohnmcc
DD-WRT Novice


Joined: 21 Jun 2012
Posts: 3

PostPosted: Mon Aug 13, 2012 15:41    Post subject: Thread activity has died down Reply with quote
While we weren't really getting anywhere until the CFE issue is resolve (beyond firmware) I was enjoying the read. Smile
crystiii
DD-WRT Novice


Joined: 13 Aug 2012
Posts: 2

PostPosted: Mon Aug 13, 2012 18:51    Post subject: Temperature Reply with quote
Because I have 80 grade Celsius inside the RT-N66U I decide to use cooling fan 70x15mm with 500rpm.
I use LM2596 converter (19V to 5V 3A) for fan and USB (photo top right).



Last edited by crystiii on Wed Aug 15, 2012 5:19; edited 3 times in total
macjohnmcc
DD-WRT Novice


Joined: 21 Jun 2012
Posts: 3

PostPosted: Mon Aug 13, 2012 19:51    Post subject: Reply with quote
I decided to hook up an external USB powered (by the router itself) fan with variable speed to keep the router cool. I like that I can turn the speed down to just below being able to hear it. The room is pretty quiet and that fan noise can be very noticeable.
Dutchman01
DD-WRT Novice


Joined: 12 Jul 2009
Posts: 33
Location: Netherlands

PostPosted: Tue Aug 14, 2012 23:07    Post subject: Re: Thread activity has died down Reply with quote
macjohnmcc wrote:
While we weren't really getting anywhere until the CFE issue is resolve (beyond firmware) I was enjoying the read. Smile



I also did contact asus to see if how it goes on cfe for our router.
I got this back today:

---------- Original Message ----------
From:ASUS TSD
To:email_address_deleted
Date:2012-08-14 20:37:02

Hi,

We are currently working with DD-WRT development for a CFE release in the future. I do not have an exact timeframe, but please know that we are looking into the development.


Regards,
Jeremy


So it seems they still will fix it, to bad we have no timeframe.
GH0
DD-WRT User


Joined: 05 Dec 2008
Posts: 249

PostPosted: Wed Aug 15, 2012 1:01    Post subject: Re: Temperature Reply with quote
crystiii wrote:
Because I have 80 grade Celsius inside the RT-N66U I decide to use cooling fan 70x15mm with 500rpm.
I use LM2596 converter (19V to 5V 3A) for fan and USB (photo top right).


Thanks
RMerlin
DD-WRT User


Joined: 05 Mar 2012
Posts: 273

PostPosted: Thu Aug 16, 2012 1:43    Post subject: Reply with quote
Those of you with heat concerns should try using the stand Asus provides. I saw near 10C difference here on the AC66U when using that stand.
FTP
DD-WRT User


Joined: 01 Jul 2012
Posts: 97

PostPosted: Thu Aug 16, 2012 4:05    Post subject: Reply with quote
RMerlin wrote:
Those of you with heat concerns should try using the stand Asus provides. I saw near 10C difference here on the AC66U when using that stand.

Do you already have a RT-AC66U?
Is the NVRAM level managed by the CFE fixed?
Have you tried to install DD-WRT?

Can you make your comments here...
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=159637

Thanks! Smile
RMerlin
DD-WRT User


Joined: 05 Mar 2012
Posts: 273

PostPosted: Thu Aug 16, 2012 4:39    Post subject: Reply with quote
Answered in that thread, as it really belongs there.

Regarding the temperature I reported - nvm. It simply took longer for my router to reach its peak temperature, both radios are back to 51C and 56C now.
expression
DD-WRT Novice


Joined: 31 Aug 2010
Posts: 16

PostPosted: Tue Aug 21, 2012 19:07    Post subject: Reply with quote
Hello I´ve some problems with my N66U. I´ve tried to install ddwrt. But something goes wrong by flashing.
Router is not more booting into firmware.
The only way I have is to make an Reset by Put the reset button while releasing the powerbutton. And when the power LED is flashing smooth I´ve get access to the build ins miniwebserver and on this I can flash a image or erase the nvram.

Please can anybody help me what I could do on this case.

I´ve read the wiki on
http://www.dd-wrt.com/wiki/index.php/Asus_RT-N66U
but I don´t know If this help on my problem....

Thanks a lot,
expression.
RMerlin
DD-WRT User


Joined: 05 Mar 2012
Posts: 273

PostPosted: Tue Aug 21, 2012 19:35    Post subject: Reply with quote
expression wrote:
Hello I´ve some problems with my N66U. I´ve tried to install ddwrt. But something goes wrong by flashing.
Router is not more booting into firmware.
The only way I have is to make an Reset by Put the reset button while releasing the powerbutton. And when the power LED is flashing smooth I´ve get access to the build ins miniwebserver and on this I can flash a image or erase the nvram.

Please can anybody help me what I could do on this case.

I´ve read the wiki on
http://www.dd-wrt.com/wiki/index.php/Asus_RT-N66U
but I don´t know If this help on my problem....

Thanks a lot,
expression.


Doing that puts the router in recovery mode. Have you tried erasing nvram from that recovery page?

After that, the first boot can take a bit to complete. Give it 3-4 minutes just to be safe. Also make sure you put your PC back on DHCP if you had a static IP configured for the flash procedure.
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