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As says in the title. I have 2 Play:1 and a Play:3.

Replugging the system doesn’t help. Only reboot. 

Router is the TP-link AX6000, Sonos is on 2.4 MHz, Laptops and phones are on 5 MHz. It happened before once in a while, but now it happens every day.

 

Any suggestions?

Perhaps see this link on the TP-Link site. It mostly relates to their switches, but I suspect you may need to configure the router for multicast, but perhaps first check your router user-manual, or better still, speak with the TP-Link customer support desk…

https://www.tp-link.com/us/configuration-guides/configuring_layer_2_multicast/?configurationId=18230


Get a better router.


Considering that it happened after one of SONOS update and that AX6000 was and is one of the top suggested routers, the last advice is plain lame. A better one would be disable 5 GHz and go tomato FW or wired altogether.


Thanks for the tip! Enabling IGMP (disabled by default) seemed to help.


…or if not done already, enable IGMP Snooping (not ‘Proxy’) v3 and just see if it fixes things - if not, speak with TP-Link CS.

edit: Ah our posts crossed - that should (hopefully) sort it. 👍