ASUS RT-AX86U & SONOS CONNECTION ISSUE SOLVED!

  • 12 December 2020
  • 85 replies
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Besides, disabing the Guest Networks and turning off 802.11ax/ Wi-Fi 6 modes for both 2.4Ghz and 5Ghz, I also have the following:

SmartConnect disabled

QOS disabled

Airtime Fairness disabled

Universal Beamforming enabled - some people have said to disable this, but I’m not sure.  Disabling didn’t seem to do anything.

Control Channel set to Auto

With these settings, my Sonos devices stay connected.  Do any of you have the Guest networks enabled?  I will try this weekend to enable the Guest Networks and Wi-Fi 6 and set the channel to 6 and see if it works.

Damn, so you literally can’t use your router at this point. Sonos is so buggy I’m thinking of replacing it at this point. It should just work. The router reports it’s connected, there’s no reason it should disconnect.

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Since updating to the latest Merlin firmware, I’ve noticed an uptick in my disconnects--I’d say once every other night--though hard to know if that’s due to the new firmware or some other source of interference. I will say that Sonos is the only wifi device I have that drops its connection like this, so in my mind, the glitchiness is ultimately due to Sonos, not the router. 

Unlike the “bad old days” when I first got my AX-86U, I don’t have the issue with repetitive dropped connections any longer, where I’d no sooner reconnect after rebooting everything, and a half-hour later it would drop again. Now if it drops, I reconnect by just switching the router off and then back on, and I’m good for at least a day or as long as a few weeks. Not perfect, but it doesn’t drive me crazy. 

If you have not done so already, have you considered reserving the Sonos IP addresses in the routers  DHCP reservation table?
 

Also, maybe try a different ‘fixed’ non-overlapping 2.4Ghz WiFi channel set to a channel-width of 20MHz, with any SonosNet channel (if using) set at least 5 channels away from the chosen 2.4Ghz channel. 
 

See if that perhaps eliminates your intermittent audio/device dropout issues.

Ken, if I had any idea of how to reserve IP addresses in the DHC reservation table, I’d give that a try! And honestly, it shouldn’t be this hard for Sonos owners. It is the ONLY wifi device I have that gives me problems. 

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Was a big fan of Sonos until this problem occurred. Asus routers are popular and highly recommended in in the consumer electronic products world. Asus routers should work with Sonos without any problem, well maybe a tweak to the router setting is OK. But that’s not the case here. So I will call Sonos tomorrow and see if they can fix this. 

This is 100% an ASUS problem to fix. Sonos require a functional local network, and the newer firmware on these routers do not provide that. I don’t think you’ll find many Sonos users recommending their routers these days.

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Hi @MrJohansson 

Thanks for sharing that!

This week my Beam would not connect to my Asus RT-AX88U router.

I have previously tried the enable then disable Airtime Fairness trick on both 2,4 GHz and 5 GHz, but my Beam would still not connect to my router.

What did help was changing the following option under Wirless → Professional, under 2,4 GHz radio. My Modulation Scheme was set to “Up to MCS 11 (NitroQAM/1024-QAM)”, I selected instead “Up to MCS 9 (TurboQAM/256-QAM)”.

Power cycled all my Sonos gear (Beam, Sub and 2 x One), and they connected back to the router and rejoined my surround setup.

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Yes, you can easily go back from Merlin to stock Asus firmware (just google it for directions), though it’s hard to imagine a reason why you would. Merlin essentially IS the Asus firmware, just with much more attention paid to quashing bugs and improving stability. 

Since installing the latest release version, I’ve had two dropped connections over the past week--in both cases, just cycling the power switch on the router got everything restored. 

Started having the issues after the latest firmware update on RT-AX82U. No system nor speakers detected and connecting directly via Ethernet didn’t help. Rolled back firmware to earlier release (July 2021) and system weren’t grayed out anymore and was able to add speakers via Ethernet but only for a minute. Now dropouts and not able to detect speakers is none stop. 

I called the tech support and after few try’s and two hours  of testing, they suggested I purchase the Boost to resolve these issues. Anyone has experience with using the Boost with latest firmware to resolve theses issues?

This issue just cropped up for me! I have a Sonos beam, sub, and Pay 1 speakers downstairs, and a sub and two Play 1 speakers upstairs. Well the the system no longer recognizes any of the Sonos speakers upstairs. Downstairs speakers are fine. 

Have had an ASUS RT-AX86U router for several months with no problem. Using this firmware:

Firmware version 3.0.0.4.386_45375

Can anyone help? Thanks! 

 

I’m on the same Firmware version 3.0.0.4.386_45375 using RT-AX82U and no longer able to setup my Sonos wirelessly. I have tried a couple of Asus settings mentioned here in the forum but still getting issues (as per screen shot), only way setup works for me is via ethernet cable but once ethernet cable is unplugged, it’ll drop out from the network again. Most likely, will have to rollback to older firmware.

Any luck on yours?

 

 

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Since updating to the latest Merlin firmware, I’ve noticed an uptick in my disconnects--I’d say once every other night--though hard to know if that’s due to the new firmware or some other source of interference. I will say that Sonos is the only wifi device I have that drops its connection like this, so in my mind, the glitchiness is ultimately due to Sonos, not the router. 

Unlike the “bad old days” when I first got my AX-86U, I don’t have the issue with repetitive dropped connections any longer, where I’d no sooner reconnect after rebooting everything, and a half-hour later it would drop again. Now if it drops, I reconnect by just switching the router off and then back on, and I’m good for at least a day or as long as a few weeks. Not perfect, but it doesn’t drive me crazy. 

 

 

After doing a factory reset on the latest Asus firmware, I have had no dropped connections since the reset last Saturday (4/10).

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Since updating to the latest Merlin firmware, I’ve noticed an uptick in my disconnects--I’d say once every other night--though hard to know if that’s due to the new firmware or some other source of interference. I will say that Sonos is the only wifi device I have that drops its connection like this, so in my mind, the glitchiness is ultimately due to Sonos, not the router. 

Unlike the “bad old days” when I first got my AX-86U, I don’t have the issue with repetitive dropped connections any longer, where I’d no sooner reconnect after rebooting everything, and a half-hour later it would drop again. Now if it drops, I reconnect by just switching the router off and then back on, and I’m good for at least a day or as long as a few weeks. Not perfect, but it doesn’t drive me crazy. 

 

 

After doing a factory reset on the latest Asus firmware, I have had no dropped connections since the reset last Saturday (4/10).

That is great news, darkelf!

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Hi @simondo 

I’m afraid just submitting diagnostics does nothing to prompt anyone to help you - we’re not notified. They’re to be used in an on-going troubleshooting session.

I’ve had a look now however. I can’t see any wired speakers reporting audio dropouts, but I can see that the large group involving Living Room is struggling, which appears to be due to multicast flooding (or looping) on your network. I recommend checking your router’s settings for an option called IGMP Snooping (or Filtering) and turning it on.

 

 

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Thanks for your response, unfortunately it is already turned on.

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A couple of updates:

After two weeks of no dropped connections, I had three over the past week. Who knows why. But the fact that 3 drops in a week is now highly unusual is a sign of how stable things have been. Also important: restoring the connection never involved a reboot of any Sonos components--I just cycled my Asus off and back on to restore it, 

Merlin has posted a new finished release of Asus firmware: 386.2.0. Against my better judgement I installed it--there was a voice in my head yelling, “Leave well enough alone!” But so far, so good. When the router rebooted after the firmware updated, Sonos system reconnected without issue or me having to do anything. Which is how it SHOULD work, of course, but I wasn’t sure what to expect. However, since Merlin’s releases are focused on bug fixes to the stock Asus firmware and performance improvements--as opposed to adding new features and thus additional bugs--the Merlin releases are pretty solid. 

I am still having dropped connections almost on a daily basis with the latest Asus firmware, especially with my Sonos Beam.  The Play 1s drop less frequently and my Sonos move, rarely drops.  How easy is it to install Merlin?  Also, please keep us informed of how stable your system is.  If it is consistently stable, I may consider installing Merlin.

Hi,

For those who are having issues, just to share that my current router firmware version 3.0.0.4.386_42840 seems to work fine now, I don’t have connectivity issues and my Sonos is working well.

I used to have issues about 4 months ago and recently noticed the change.

Do give it a try and see if it help.

When everything else connects just fine, the one defining detail here is the Sonos firmware.  If every set of speakers, including One, One SL, Move, etc. all fail, but every other smart speaker from JBL, Google, Amazon, Yamaha, etc. all connect without issue?  What’s left?  You guys.

Sonos, you have got to get your firmware up to date (and kept up to date with the latest fixes for wifi vulnerabilities and security standards.  I’ve moved most of my clients away from your products already due to the lack of support that Sonos gives to modern wifi security and industry standards.  

These same issues occur on most WiFi Gen 6/6e routers, not just Asus.  You tell people to upload their diagnostics data then tell them (much) later that you don’t even read them.  It’s smoking mirrors, and it’s gotten old.  If you want business and consumer customers, you’re going to have to figure this out.  Because even the cheap Chinese knockoffs on AliExpress are killing you in this very detail.

Just my 2 cents, prove me wrong.

It’s often because SSDP Multicasting isn’t quite working correctly on the local network… this (hopefully) explains the issue for you in simple terms:

http://www.steves-internet-guide.com/introduction-multicasting/

I agree, but only to a point.  4 years ago, the industry started patching against WiFi authentication vulnerabilities like KRACKS, and started enforcing more than a short list of security keys being used to cycle encryption.  Since then, Sonos has been fraught with issues on WiFi drop-offs on Gen 5 and Gen 6, as the devices themselves are completely losing their connections to the network.  You can see this in the log files of the router, as it shows the disconnects occur in real time.  It has to do with the 4way handshake, and the way the device handles them.  If it was just a multicast issue, we wouldn’t be seeing the devices completely disconnect.

When everything else connects just fine, the one defining detail here is the Sonos firmware.  If every set of speakers, including One, One SL, Move, etc. all fail, but every other smart speaker from JBL, Google, Amazon, Yamaha, etc. all connect without issue?  What’s left?  You guys.

Sonos, you have got to get your firmware up to date (and kept up to date with the latest fixes for wifi vulnerabilities and security standards.  I’ve moved most of my clients away from your products already due to the lack of support that Sonos gives to modern wifi security and industry standards.  

These same issues occur on most WiFi Gen 6/6e routers, not just Asus.  You tell people to upload their diagnostics data then tell them (much) later that you don’t even read them.  It’s smoking mirrors, and it’s gotten old.  If you want business and consumer customers, you’re going to have to figure this out.  Because even the cheap Chinese knockoffs on AliExpress are killing you in this very detail.

Just my 2 cents, prove me wrong.

It’s often because SSDP Multicasting isn’t working correctly on the local network… this (hopefully) explains the issue for you in simple terms:

http://www.steves-internet-guide.com/introduction-multicasting/

 

This exact same thing happened when WiFi Gen 5 (AC) released, and we’re seeing the latest iteration of that occurring now.  Sonos forums are absolutely packed with threads based on it.

I maintain my original statement.  If all the other manufacturers have gotten this figured out, then Sonos needs to get their proverbial butts in gear to address it as well.

This also seems to work Better for me! Thanks

I downloaded a free version of Wifi Analyzer on my old Android phone and scanned through my apartment and channel 6 (2.4GHz) was the least crowded so I tuned in to it.

It has been working almost flawless since, only some split second drop out and its nothing that bothers me and rarely happens. 

Airplay 2, Spotify connect and Sonos all works.

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I have not used stock Asus firmware in years--I always use the Asuswrt-Merlin firmware from rmerlin, and many Asus users swear by it. It’s also free, which is great, though rmerlin does accept donations. If you’re not familiar with it, Merlin isn’t tweakware for tech geeks--the focus is on fixing bugs in the stock firmware, better overall stability and improving performance. The interface is almost a duplicate of Asus stock. And Merlin now supports the AX-86U. (I suggest using the latest version in the “Release” folder, not the Beta folder) Since I started this thread 3 months ago, my general experience has been that I lose connection to Sonos Arc system about once a week. The fix is generally easy: turn the Asus off, wait a few seconds, turn it back on. The connection to Arc is usually restored. (First the Arc shows up in the Sonos app, then Subs and Surrounds within a minute or a few at most.) Occasionally, maybe once a month, I’ll have to reboot the Arc, too, to reconnect, but never the Sub or Surrounds.This isn’t perfect, but the hassle is minimal, and a far cry from the constant drops that I was experiencing for a while. 

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Since updating to the latest Merlin firmware, I’ve noticed an uptick in my disconnects--I’d say once every other night--though hard to know if that’s due to the new firmware or some other source of interference. I will say that Sonos is the only wifi device I have that drops its connection like this, so in my mind, the glitchiness is ultimately due to Sonos, not the router. 

Unlike the “bad old days” when I first got my AX-86U, I don’t have the issue with repetitive dropped connections any longer, where I’d no sooner reconnect after rebooting everything, and a half-hour later it would drop again. Now if it drops, I reconnect by just switching the router off and then back on, and I’m good for at least a day or as long as a few weeks. Not perfect, but it doesn’t drive me crazy. 

 

 

Since updating to the latest Merlin firmware, I’ve noticed an uptick in my disconnects--I’d say once every other night--though hard to know if that’s due to the new firmware or some other source of interference. I will say that Sonos is the only wifi device I have that drops its connection like this, so in my mind, the glitchiness is ultimately due to Sonos, not the router. 

Unlike the “bad old days” when I first got my AX-86U, I don’t have the issue with repetitive dropped connections any longer, where I’d no sooner reconnect after rebooting everything, and a half-hour later it would drop again. Now if it drops, I reconnect by just switching the router off and then back on, and I’m good for at least a day or as long as a few weeks. Not perfect, but it doesn’t drive me crazy. 

If you have not done so already, have you considered reserving the Sonos IP addresses in the routers  DHCP reservation table?
 

Also, maybe try a different ‘fixed’ non-overlapping 2.4Ghz WiFi channel set to a channel-width of 20MHz, with any SonosNet channel (if using) set at least 5 channels away from the chosen 2.4Ghz channel. 
 

See if that perhaps eliminates your intermittent audio/device dropout issues.

We had this same problem. We rolled our firmware back to:

3.0.0.4.386_47029

2022/01/05

No update yet on my RT-AX82U, last one was Feb and still has the issue! Downgrading to November update fixes the issue.

I'll give this a try hopefully this weekend. I wonder if setting that 2.4GHz channel is really what's important. Sounds like it might be the key to at least getting merlin working dependably. Thanks! I'll let you know how it goes.

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Hi there @charlesnyc.

Thanks for posting and sharing with us what you did to figure this out.

We highly appreciate your time and effort working through this.

Surely, it will benefit those members that might encounter the same issue and look for answers here in the community.

 

If you have any questions,  feel free to reach out.

Cheers!

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It does seem that a factory reset is required on some Asus routers after a firmware update is installed.

Thanks, everyone, for sharing!

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