Better R6220 router firmware

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kernel-panic69
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PostPosted: Sat Jan 15, 2022 20:19    Post subject: Reply with quote
The username for ssh/telnet is root. If you can access via those, do a hard reset (nvram erase && reboot) and then go from there. I have a feeling your double flash or a hardware failure might be culprit.
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prat
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PostPosted: Sat Jan 15, 2022 20:25    Post subject: Reply with quote
Hi,

Thanks for your reply.

the problem is, I can not access via ssh as for this we first need to start/enable ssh service (I have seen this option when i was able to access dd-wrt router UI for some time i.e for some time when i have flashed the firmware but after that it started giving problem ) but now as you know UI just hangs if i click on any tab so currently accessing via this way, doesn't look possible.

Thanks
kernel-panic69
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PostPosted: Sat Jan 15, 2022 20:43    Post subject: Reply with quote
Telnet is enabled after you've set a password...
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prat
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PostPosted: Sat Jan 22, 2022 17:05    Post subject: Reply with quote
Hi,

Thanks for your reply.

I don't think luck is with me. I am trying telent connection through putty, it is asking for username, password after taking 5 mins, I am entering root and entering password but it is not working (I don't remember the password that I have set, but I have tried 2,3 passwords but no luck)

Is there any other way?

Thanks,
egc
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Joined: 18 Mar 2014
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PostPosted: Sat Jan 22, 2022 17:17    Post subject: Reply with quote
Moved to Ralink forum as that is where this belongs Smile
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Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
prat
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PostPosted: Sat Jan 22, 2022 17:30    Post subject: Reply with quote
Hi,

Sorry I didn't get this.

What this mean? - Moved to ralink....
egc
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PostPosted: Sat Jan 22, 2022 18:42    Post subject: Reply with quote
See the forum guidelines with helpful pointers about how to research your router, where and what firmware to download, where and how to post and many other helpful tips:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087

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Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
prat
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PostPosted: Sat Jan 22, 2022 19:26    Post subject: Reply with quote
Ok I got it, you moved this issue to related forum but I hope this will not stop someone from replying on how to go ahead.

Requesting all, if someone knows what to do next.

Thanks,
egc
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Joined: 18 Mar 2014
Posts: 12835
Location: Netherlands

PostPosted: Sat Jan 22, 2022 19:35    Post subject: Reply with quote
No here you should get more attention from users actually using this kind of firmware
_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
kernel-panic69
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Joined: 08 May 2018
Posts: 14125
Location: Texas, USA

PostPosted: Sat Jan 22, 2022 20:04    Post subject: Reply with quote
Replace your damaged router or nmrpflash it back to stock and then re-flash only the factory-to-ddwrt.img file from the current release and don't double-tap it with the webflash file. If it doesn't work as you expect after configuring to use another port as WAN, then it's done and you need to replace it or set it up as a WAP.

https://ftp.dd-wrt.com/dd-wrtv2/downloads/betas/2022/01-21-2022-r48141/netgear-r6220/

You will need to use swconfig utility to reconfigure the switch. Will need output of swconfig list and swconfig dev switch0 show to proceed, most likely.

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prat
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Joined: 08 Jan 2022
Posts: 13

PostPosted: Sat Jan 22, 2022 20:12    Post subject: Reply with quote
Hi @kernel-panic69,

Thanks for your reply. I was waiting for your reply.

I have brought new router but I want to give a try with this router to see if it works.

I have nmrpflash process as well but it is giving some issue. I have opened issue here. (See below)

https://github.com/jclehner/nmrpflash/issues/90

Let's assume, if this will also not work for me, do you still know the way we can recover this? (tftp2.exe or any other way?)

Many Thanks,
spragie
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Joined: 11 Apr 2022
Posts: 2

PostPosted: Sat Apr 30, 2022 7:06    Post subject: Reply with quote
Hello,

From my experience with this router I have been unable to flash it with my windows machine. NMRPFlash simply doesn't catch the router at boot. However from my raspberry pi running ubuntu or kali I am able to use NMRPFlash.

I simply

sudo apt install nmrpflash -y
sudo nmrpflash -L
sudo nmrpflash -i eth0 -f R6220....

and it does it's thing.

I have to be plugged into the LAN1 port (port right next to the WAN port), and have all other RJ45 plugs disconnected.

I hope this helps someone somehow. Perhaps WSL would resolve the issue I had on Windows? I did have winpcap and wireshark and all those goodies on my windows machine but NOTHING would flash the router back to stock except my linux raspberry pi 4
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