ASUS Router firmware update 2020/11/26

Hi @flat3ric.

Thanks for reaching out and welcome to the community!

We appreciate your time and effort in sharing with us this information.

It can certainly benefit those members that might encounter the same scenario.

I’ll go ahead and pass this along with the team, and it might be best to let the manufacturer know about this as well.

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

I had the exact problem after upgrading my AX88 to latest firmware.
 

The solution for me was to toggle the Airtime Fairness feature, first set it to enable for both 2,4 and 5 GHz. Apply and let it restart WiFi.
 

Then disable Airtime Fairness for both 2,4 and 5 GHz again, apply to restart WiFi.
 

You find this setting in the router web under wireless and then the professional tab.
 

I assume it is a bug in the update not writing the correct value here after the upgrade, and explicitly toggle through it will store it again properly.

I had similar experience and had no luck with the recent Asus Xt8 firmware (ikea symonfisk speakers). Did no want to connect to 2.4ghz wifi. Tried checking for airtime fairness etc.

In the end I had to add one speaker to a satellite xt8 mesh unit via ethernet cable which then made it create a dedicated sonos wifi network which the other speakers could connect to. Luckily for me all the speaker locations I want are nearby.

Thanks so much for your post! I just got this exact router at Best Buy last weekend and was starting to lose my mind with the connectivity issues with our Arc and One. Had I not found this, I would have probably ended up returning the router.

Hopefully ASUS addresses this soon with a new firmware. I will drop them a message too through Customer Support.

Thanks!

FWIW, having the same problem with the latest firmware ( Version 3.0.0.4.386.42095 2021/03/09) and a Sonos Play:1. Downgrading to 3.0.0.4.384.9918 was the only thing that worked. Obviously super worrisome, since there were a number of CVEs fixed in later firmware versions.

Steps I tried (but didn’t work):

• Toggling IGMP snooping (ending up at disabled)
• Toggling Airtime fairness for both 2.4GHz and 5GHz (ending up at disabled)

Interestingly, after toggling the airtime fairness setting the Sonos Play:1 worked for 30 seconds before disconnecting again, and remaining disconnected..

Hi Everyone

I experienced these same problems with my ASUS RT-AX58U router. It also happened last year, where i ended up fixing it with reuploading a working firmware. I wondered if this would work still, AND IT DID!

I ended up using the firmware-upgrade: 3.0.0.4.384_9918, which solved the problem. I am interested to know whether there are newer versions of firmware which works with Sonos, but for now this is working.

Thank you for the help guys!

I only have 2 Sonos ones, a gen 1 and a gen 2. And it’s the Gen1 that doesn’t work when connected to an RT AX92U, it connects OK but it fails to register to my account. I’m running 3.0.0.4.386_43084-g728dd24 firmware,

My workaround was to use an old Airport Extreme (4th gen) i was just using as a switch, as a second wireless endpoint. Which I can live with.

They both worked fine at one point, but stopped at the time the Sonos update came out that enabled 5Ghz WiFi on the gen 2. So I’m speculating that having a mix of devices that support different WiFi protocols is the issue (clearly that’s a guess on my part).

Same issue here with 3.0.0.4.386_41535; in my case my iOS and Mac controller apps can no longer access the system at all after updating the firmware on the RT-AX86U.

I did notice, interestingly and perhaps related, that the Sonos speakers are all now marked as having static IP addresses in the Asus configuration page (Network Map → View Client List); I did not set this up myself and there is no indication in the DHCP settings page that the Sonos speaker MAC addresses have reserved IPs….I only noticed this post-firmware update, so not sure if it was this way all along, but for whatever reason it appears that Asus is recognizing Sonos speaker devices, and Sonos devices only, and singling them out for static IPs. This actually seems kind of nice (since others post that having static IPs helps with Sonos stability), except for the...you know...unable to use the speakers part...

I just wanted to say many thanks for this.  Thought i was going mad this afternoon trying to set up a new ASUS RT-AX58U with my existing Sonos (that had no issues with the RT-AC68U previously.  Downgraded the firmware and everything connected without issue….  Thank you.

I’m also having this frustrating issue with the RT-AX86U and 3.0.0.4.386_41535 firmware. While it seems to be an issue with the router firmware, the Sonos app should do a way better job in handling errors when pairing. Right now, I’m stuck in a cycle of the app telling me there are devices, offering to set them up, only to then tell me there are no devices on the network, despite the fact that it shows all my devices right there at the top of that screen. At least surface some kind of error code that can be passed to support, even if it means nothing to consumers.

Fingers crossed there’s a firmware update for the router soon.

Edit: I’ve also sent ASUS support an email and contacted them on Twitter.

Frankly I think you should return the router while you can. Asus have illustrated an inability to fix their products that does not inspire any confidence.

Thanks for the candid answer. What router or mesh system would you recommend that supports wifi 6 and be fully compatible with Sonos?