Posted: Mon May 27, 2019 3:40 Post subject: Asus RT-N12 D1, ethernet issue.
First time poster here and first time working with DD-WRT.
I have a small network at home that suffers from buffer bloat, in particular for wireless traffic. Sadly I can't replace the router given by my ISP.
I was interested in using SQM and DNS level ad blocking, so I decided to try out Open-WRT, which was successful but unfortunately the wireless component would not work due to proprietary drivers a warning that I've missed when confirming my device's compatibility with Open-WRT.
From there on I flashed DD-WRT and was unable to reach the router via ethernet. I thought that the router was bricked somehow. After a few minutes of frustration I noticed that it was broadcasting a wifi signal. I connected to wifi and I was able to communicate with the router. I finished the initial setup, then tried to connect to it via ethernet.
After extensive debugging of my laptop, I was lead to believe that the issue is not with my laptop because when I connected an ethernet coming directly from the ISP's router it worked.
TLDR: I can connect to my DD-WRT flashed router over WiFi but not over Ethernet. Thanks
There is lots of info about the RT-N12 D1 in this forum if you search.
jwh7 had my good notes about installing dd-wrt on this unit in the wiki without using any Asus Firmware Restoration program mess but someone changed it.
There is a known problem with some of its ports being disabled when first install dd-wrt. Usually ports 1 & 4 get bad. I'm thinking port 4 becomes the WAN port..... but don't matter if you just reinstall same build a second time then ports are sorted out fine.
Be sure you are plugged into LAN port 2 or 3 to install.
The r25974 is of course and old build now and I have NO idea if new builds still work but the r25974 is a working build and at least an excellent starting place
I have this router, and iirc, that's the one where the port assignments are messed up, and you have to reassign them from the command line.
Code:
nvram set vlan0ports=”0 1 2 3 5*”
nvram set vlan1ports=”4 5”
nvram commit
Then reboot.
First of all thanks for trying to help out. Unfortunately I was still unable to connect to it via Ethernet even after inputting these commands over wifi.
There is lots of info about the RT-N12 D1 in this forum if you search.
jwh7 had my good notes about installing dd-wrt on this unit in the wiki without using any Asus Firmware Restoration program mess but someone changed it.
There is a known problem with some of its ports being disabled when first install dd-wrt. Usually ports 1 & 4 get bad. I'm thinking port 4 becomes the WAN port..... but don't matter if you just reinstall same build a second time then ports are sorted out fine.
Be sure you are plugged into LAN port 2 or 3 to install.
The r25974 is of course and old build now and I have NO idea if new builds still work but the r25974 is a working build and at least an excellent starting place
Unfortunately I can't connect to it over ethernet ports 2 or 3 either. I can't connect to it over any of the ether net ports at all, tried this on two devices my PC and laptop. I tried eibgrad's suggestion for the Ethernet ports but sadly that also did not work.
After following your instructions to flash the 25974_NEWD-2_K2.6_mini successfully, I was able to connect to it over Ethernet. Though once I tried to upgrade to v24-37305_NEWD-2_K3.x_mega the same occurrence happened again. The same happened when I tried to do this process for v24-33215_NEWD-2_K3.x_mega the one suggested in the thread you linked.
So I guess the only one that worked is the oldest version out of the three the 25974_NEWD-2_K2.6_mini. :/
Thanks for your efforts by the way. If you have any further feedback I'd be glad to hear it.
So I guess the only one that worked is the oldest version out of the three the 25974_NEWD-2_K2.6_mini. :/
I assume you installed the r25974 twice like I suggested????
Can't really tell you much about newer builds but according to my old post the K3.x r33215 worked fine.
I also assume yours is in fact a RTN12D1
I remember some euro models that were labled RTN12D that would not work. I have two RTN12D1 units in the closet ---- might getem out later and see what newer dd-wrt firmware might do......... but please don't wait on me.
You might go back to ASUS firmware such as I did in that post and go from there exactly as I done
I think I'll give that a shot and yes, I did flash the r25974 twice as suggested. Sorry if that wasn't clear.
Though I'm encountering a very interesting issue at the moment. I set things up, no DHCP server, using WAN as a switch, so I currently can connect to the internet using the router with the DD-WRT firmware. Though half the pages time out, I can access google, amazon, facebook, but for example duckduckgo times out, Ubuntu's main site times out, pi-hole as well and the image you have in your post. I guess I'll switch back to my phone's network to resolve this for the time being.
Edit 1: After checking the backlabel you've attached, it is pretty similar to mine, mine has a different format on the left hand side but that shouldn't be an issue I believe. I believe you sent it to show the H/W Version and we do have the same version exactly.
Edit 2: When attempting to redo all the steps and going back to the stock, I downloaded the latest version of the software. After this I was unable to SSH into the router completely to be able to use TFTP and using the GUI to install an older firmware or DD-WRT fails.
Last edited by aser on Thu May 30, 2019 17:06; edited 1 time in total
I wish you good luck
Since I'm just tinkering around I just installed [dd-wrt.v24-39884_NEWD-2_K3.x_mega.bin] on the RT-N12-D1
Seems to be working ok with newest r39884
Reset after GUI install over r36104 mega
Put him into 'Repeater' mode connected to main router's guest net.
The only weird thing I seen was when I created the VAP it thru me to --
'Broadcom - CFE miniWeb Server' ..... I just thought WTH and pushed its power switch
Left it powered off 'bout 15 seconds and pushed power back on. It all came back with what I was doing,
so I finised seting up the VAP (security). Connected my phone to its VAP and all worked very good.
Note: this is a very short term test but looks good so far
Note2: after first installed the K2.6 r25974 twice to correct ports I have never had a problem with them again
Here's a couple pics -- and yea, The RT-N12D1 always showed as a RT-N12B ...AFAIK BS never had this router
EDIT: yea, tomato firmware works very nice on this unit but I ain't used one since last Shibby tomato
Thank you mate, I appreciate all your help. Sadly looks like my luck ran out. I decided to go back to factory firmware and start the process from the beginning. Though I made an amateur mistake, I went with the newest firmware from Asus. For some reason I can't FTP with all FTP connections being rejected and it refuses to flash anything that isn't certified by Asus.
This leaves the only option is to do this over a serial connection which I don't have the means to do at the moment.