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Contributor I
December 3, 2020

ASUS Router firmware update 2020/11/26

  • December 3, 2020
  • 71 replies
  • 9421 views

Hi, I just want to inform others that the latest firmware for ASUS RT-AX58U, released on the 26th of
November, will make the Sonos speakers stop working (Confirmed on Play:1 and Play3).

I have tried to factory reset the speakers and reconfigure them but without success.
I don’t exactly know what is causing this, but a roll back to previous firmware resolved the issue. 
 

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71 replies

Contributor II
May 18, 2021

As of 4/29/21, there is a new version 3.0.0.4.386.42840 (at least for the RT-AX86U). Has anyone tried it?

My current version (which I think is the last confirmed working one) is 3.0.0.4.384_9318 and is now several updates behind...

Contributor I
June 6, 2021
What worked for me with the problematic Asus mesh setups as even the latest 386_xxxx firmware for my models did not work.
 
I have 2 surround sonos setups that I had to bind to my mesh node. They did not like when I had them connecting though the main node. It is also worth mentioning that I have non-matching mesh setup (RT-AX92U for main router and RT-AX11000 for mesh node).
Firmware versions currently being run:
RT-AX92U: 3.0.0.4.386_43084-g728dd24
RT-AX11000: 3.0.0.4.386_43129-g60defb2
 
I tried everything, resetting to factory settings after a firmware update, removing and re-adding the mesh node, making sure all the recommended settings were disabled (QoS, Airtime Fairness, etc), rejoining the sonos units and nothing worked. There is something amiss with the Asus firmware for sure.
Lyricist I
June 11, 2021

I just bought the RT-AX86U and having some serious issues with my older SONOS system. It keeps dropping connection after a few hours. It connects with no problems but after a few hours I’m no longer able to control SONOS even though it shows connected in my ASUS router software. I have tried all the above without success. I’m on the latest firmware as well 2840. Please any help would be appreciated as I never had any issues with my Netgear Router that I replaced after 8 years of solid use. I thought I was upgrading to newer and better technology only to have my SONOS system malfunction now. 

Contributor I
June 13, 2021

As of 4/29/21, there is a new version 3.0.0.4.386.42840 (at least for the RT-AX86U). Has anyone tried it?

My current version (which I think is the last confirmed working one) is 3.0.0.4.384_9318 and is now several updates behind...

 

I’m in the same situation and wondering the same thing.  Or does anyone know what improvements there are in the latest firmware?  For now, I’m taking the “if it ain’t broke, don’t fix it” approach by not updating. 

Lyricist II
June 28, 2021

I installed 386_43406 today. It seems fine. 

 

Greetings Xirtam2K

Lyricist II
June 30, 2021

I installed 386_43406 today. It seems fine. 

 

Greetings Xirtam2K

NO, IT DOES NOT!!

Jokke
Lyricist II
July 1, 2021

It actually still does… on the  ax58u (2x) and 12 sonos/ikea devices.

 

Xirtam

Lyricist I
July 6, 2021

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).

Lyricist I
July 11, 2021

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.

Lyricist III
August 14, 2021

I got my ASUS RT-AX88U running latest firmware working with Sonos. 
 

1. Make sure "airtime fairness" is turned off.

2. Make sure IGMP snooping is turned on. 

3.Make sure the Roaming assistant is disabled. (this was last bit I changed and seemed to fix!)

the third bit does make sense from what I was seeing. Before disabling it, the Sonos would work for a bit, then the network or Sonos needed to have a kick. I guessed something was turning off the network connection after a time. Roaming assistant seemed like a likely suspect.

Another thing to check is make sure you don’t have QOS enabled. The Sonos doesn’t seem to like it as I made that mistake too.

so far it’s been solid for a while now, so hopefully this helps people