Since then I've not experienced the problem. I don't know what happened, but I haven't seen it again.
RT-N66U 2.4Ghz drops, but clients can't reconnect
- Thread starter simon451
- Start date
Hi everyone!
I'm new to this forum and wanted to ask whether there is a solution to the aforementioned problems.
Since a week or so, I'm experiencing the same problems with my RT-N66U. Hard to tell when it exactly started since all of my devices use the 5Ghz frequency, but my wife is having trouble connecting her iPhone 4S and HP Deskjet 3055 printer.
At first, I thought the router was acting up, so I restarted it and that seemed to solve the problem. However, it didn't take long until the issues resurfaced.
I used iStumbler on my Mac to scan the area and noticed that it is highly populated with 2.4Ghz wifi networks - my router is the only one in the vicinity that also has a 5Ghz band. But I still don't think that it's too probable that interference from other wifi networks are the cause. I mean, 20 wifi networks didn't just appear and cause my router to block all 2.4Ghz connections, right?
It doesn't seem to be a firmware issue because I still had the original firmware that came with the router (back in 2013, I believe). To be sure, I flashed several newer original firmware versions as well as the newest Merlin firmware (380.58_0). Didn't help at all. I also switched off b/g protection and changed the channel multiple times.
Greetings from Germany
I'm new to this forum and wanted to ask whether there is a solution to the aforementioned problems.
Since a week or so, I'm experiencing the same problems with my RT-N66U. Hard to tell when it exactly started since all of my devices use the 5Ghz frequency, but my wife is having trouble connecting her iPhone 4S and HP Deskjet 3055 printer.
At first, I thought the router was acting up, so I restarted it and that seemed to solve the problem. However, it didn't take long until the issues resurfaced.
I used iStumbler on my Mac to scan the area and noticed that it is highly populated with 2.4Ghz wifi networks - my router is the only one in the vicinity that also has a 5Ghz band. But I still don't think that it's too probable that interference from other wifi networks are the cause. I mean, 20 wifi networks didn't just appear and cause my router to block all 2.4Ghz connections, right?
It doesn't seem to be a firmware issue because I still had the original firmware that came with the router (back in 2013, I believe). To be sure, I flashed several newer original firmware versions as well as the newest Merlin firmware (380.58_0). Didn't help at all. I also switched off b/g protection and changed the channel multiple times.
Greetings from Germany
terribell
Regular Contributor
I have been having this problem also, even with a script to reset wireless everyday at 4h30, and it seems to be related to selecting channel 1 manually for 2.4G.
Since I've put it on auto it seems stable, which unfortunately selects channel 6 that has some neighbors on the same channel.
The connection is not so strong but at least it does not drop.
Anyone with similar experiences?
Since I've put it on auto it seems stable, which unfortunately selects channel 6 that has some neighbors on the same channel.
The connection is not so strong but at least it does not drop.
Anyone with similar experiences?
I don't know how you came to the conclusion that it's related to selecting channel 1 manually but I have this issue occasionally and my router is configured to channel 1 manually.
terribell
Regular Contributor
I came to this conclusion after days and days of experimenting, with lots of trial and error.
Maybe there is a problem with the stability of manually selecting channel 1.
If more people confirm the problem, maybe @john9527 or @RMerlin can help.
Not sure since the wireless driver is closed source and they cannot change anything in regards to this.
john9527
Part of the Furniture
I really doubt there is something special about channel 1 as far as the router goes. More likely the presence of some external noise source that's hitting the lower channel freq.
sfx2000
Part of the Furniture
Again - intermittent problems like this - always check power... esp. on devices that were working well, and then all of a sudden, without any changes, start behaving badly...
If the gear is over 2 years old, that shiny 200 dollar router is powered by a 2 dollar AC adapter, and yes, they do fail - esp. going soft under load...
If the gear is over 2 years old, that shiny 200 dollar router is powered by a 2 dollar AC adapter, and yes, they do fail - esp. going soft under load...
RMerlin
Asuswrt-Merlin dev
Thankfully, the quality of the AC adapters in newer high-end models seem to have improved (at least they don't look and feel so cheap anymore - I don't have a scope to actually test them out).
mgeoffriau
Occasional Visitor
I'm also experiencing this problem. Has anyone pursued an "overheating" theory? That's my next step. I just posted this over in the Merlin subforum:
mgeoffriau
Occasional Visitor
Posted my fan mod for my RT-N66U here:
$9 Router Cooling (RT-AC68U Example)
We'll see what effect it has on the 2.4Ghz radio stability.
$9 Router Cooling (RT-AC68U Example)
We'll see what effect it has on the 2.4Ghz radio stability.
Rick Smith
Occasional Visitor
Wow these problems are maddening!!
My Rt-N66u worked reliably from January 2016 to 2 weeks ago (May 2016), and it has the same wifi drop issues like you all.
I was tearing my hair out trying to figure out why it wouldn't connected.
Switched to Netgear router and all seems to be working now.
I'm hoping we find an answer to this!!!
My Rt-N66u worked reliably from January 2016 to 2 weeks ago (May 2016), and it has the same wifi drop issues like you all.
I was tearing my hair out trying to figure out why it wouldn't connected.
Switched to Netgear router and all seems to be working now.
I'm hoping we find an answer to this!!!
terribell
Regular Contributor
I'm still having these wifi problems...
The only way I've found to keep it moderately steady is to leave the control channel on Auto, which is very bad due to interference...
I should be using channel 1, which is the best when the wifi is up, but cannot due to these drops...
The only way I've found to keep it moderately steady is to leave the control channel on Auto, which is very bad due to interference...
I should be using channel 1, which is the best when the wifi is up, but cannot due to these drops...
Rick Smith
Occasional Visitor
Thanks for the update... that is very disheartening to hear.
Based on all the great things we hear about ASUS routers, you'd think these problems would be solvable or at least we'd get some explanation of why things don't work as they should.
With two mysterious and unsolvable issues (so far) with ASUS routers, I'm very weary of using them again until things improve.
Based on all the great things we hear about ASUS routers, you'd think these problems would be solvable or at least we'd get some explanation of why things don't work as they should.
With two mysterious and unsolvable issues (so far) with ASUS routers, I'm very weary of using them again until things improve.
terribell
Regular Contributor
I have this router for some years without any problems, but always with control channel on auto, and have been on John's fork since it was released but only found these problems a few months ago after moving house and needing to select the control channel.
Rick Smith
Occasional Visitor
I'm using the stock firmware and it has the same issue. Nothing changed, was working great from january to May, then 2-3 weeks ago it drops wifi clients and nothing can reconnect.
Maddening!!
I know this is an old subject, but I reached this thread looking for help with a similar issue and just signed here to share my experience, in case someone has come here too looking for help.
I upgraded my mother's old WRT54G with my own RT-N66U, flashed the last merlin, and copied the setup by hand, except for the wireless filter, that I charged via shell, editing a nvram-save (r24) file. As soon as I did that the 2.4GHz stopped working. No device was able to authenticate, with nothing shown in logs. The 5GHz with some entries in the filter worked flawlessly though.
After a reset everything worked again, and just filling by hand some of the mac addresses in the filter was fine, but loading again the nvram full list triggered the problem.
After some tests I randomly reached a fix: just erasing a few of the oldest unused devices in that list, just through the webui, fixed the problem. After that I checked my old list exported from the old Linksys, and there were 64 entries, so maybe reaching that limit was the issue.
This is probably not related with the thread problem, but hopefully could help some other people. Sorry if it's inadequate posting that way (and sorry about my English if there are some grammar horrors).
I upgraded my mother's old WRT54G with my own RT-N66U, flashed the last merlin, and copied the setup by hand, except for the wireless filter, that I charged via shell, editing a nvram-save (r24) file. As soon as I did that the 2.4GHz stopped working. No device was able to authenticate, with nothing shown in logs. The 5GHz with some entries in the filter worked flawlessly though.
After a reset everything worked again, and just filling by hand some of the mac addresses in the filter was fine, but loading again the nvram full list triggered the problem.
After some tests I randomly reached a fix: just erasing a few of the oldest unused devices in that list, just through the webui, fixed the problem. After that I checked my old list exported from the old Linksys, and there were 64 entries, so maybe reaching that limit was the issue.
This is probably not related with the thread problem, but hopefully could help some other people. Sorry if it's inadequate posting that way (and sorry about my English if there are some grammar horrors).
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