Unable to use SUB in 5.1 setup

  • 29 March 2022
  • 2 replies

Hi All,

I have a bit of issue with the Sonos setup.

I have an Opnsense router and unifi controller running on it for Wifi.

I have installed 3 One SL , 1 Sub 3gen and a Beam Gen2 
Only the Beam Gen2 is wired to an unifi switch this switch is set to RSTP.

The Sonos is connected to my home network where I have firewall rule all to all allow

I have 2 rooms, kitchen where 1 One SL is located
And TV corner where 2 One SL , 1 Sub and 1 Beam is located

Now the SUB does not play when added to the tv corner, only when I move it to kitchen is does work.

Now I adjusted the following:

  • Auto-optimize network: off 
  • IGMP Snooping: on
  • Multicast Enhancement (IGMPv3): on
  • Block LAN to WLAN multicast and broadcast data (Classic UI): off
  • The Port where the Beam is connected to is set to Enable Spannin tree protocol

    But only wifi is also not working.
    I have turned the wifi off for the beam btw on wired.


Can somebody help me?
Is there an limitation?


Best answer by Mr. T 29 March 2022, 15:30

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2 replies

Userlevel 7

Turn the WiFi back on for the wired Beam, as the Beam will connect to the Sub using its 5GHz radio.

I'll try thx!