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Contributor II
August 28, 2021
Answered

control application can’t connect to Sonos on 2.4ghz

  • August 28, 2021
  • 17 replies
  • 190 views

Hi there,

 

I used to be able to control Sonos on 5ghz, but now it seems impossible.

I tried to toubleshoot myself and read other questions here, but none solved the issue.

Can you help me please?

This is my diagnostic #781152974.

Thanx in advance.

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Best answer by ratty

Then it’s most probably the router that’s not cooperating. 

17 replies

buzz
Grand Maestro
August 29, 2021

Have you changed your WiFi setup?

Describe your network for us. Are you using any 3rd party wireless mesh units? What is wired? What is wireless?

Contributor II
August 29, 2021

My wifi setup is simple. only one router. no mesh.

The only change I made was the router. 
A couple of months back I replaced the old one with a IPV6 compatible router.

But I am not sure if the issue started either before or after.

ratty
August 29, 2021

Does Sonos connect via the WiFi, or is there a wired Sonos component?

Some routers don’t correctly forward discovery broadcasts between the two bands, preventing a Sonos controller on 5GHz seeing players on the 2.4GHz WiFi. Often wiring a single Sonos device resolves the problem as the system then uses its own dedicated wireless, connecting back through the wired unit.

Contributor II
August 29, 2021

Yes Sonos connects via WiFi.
I have two Play1’s.

ratty
August 29, 2021

What router is it? It may have an option to enable multicasts/broadcasts between network segments. 

Contributor II
August 29, 2021

My router is Aterm WG1200HS4,

and Multicast was already enabled.

ratty
August 29, 2021

As an experiment wire one of the Play:1s to the router.

Contributor II
August 29, 2021

Did that already and still the same unfortunately.

ratty
August 29, 2021

It sounds like there’s either something odd about your router’s 5GHz band, or something funny with the mobile.

Contributor II
August 29, 2021

I have a Sonos app on my phone, my tablet and my computer. Whatever device I choose as long as it is connected with 5ghz the app can't find Sonos.