Yeah, that would be a sensible thing to try.
As alluded to above in WiiM’s res-insert, it does appear to be a Cisco network related issue, perhaps similar to the information discussed in this Spotify community post
I am struggeling to get spotify connect work between wireless "remote" and a wired bluesound Node. What protocols are being used for discovery and connecting. I use a Cisco 800 Series router and the discovery fails between the wired and wireless network. Switching to wireless on the bluesound...
community.spotify.com
If the Geek Squad need called in, I’d suggest they’d need good Cisco network skills.