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I recently moved into a condo building that requires residents to use a bulk managed Xfinity Communities account for their ISP. Each unit is outfitted with a Xfinity modem/router (no configuration options are accessible) and a RUCKUS in-wall access point (no configuration options are accessible) in the living room. I have a Sonos Beam (Gen 2) and two Sonos One SLs.

I can get the Beam configured on my unit’s SSID and my One SLs configured as a stereo pair on the unit’s SSID, but I can not get the three to connect as a surround set. I can’t even use the Sonos app to play music on both the Beam and the One SL stereo pair at the same time. I have