Can't connect to Roon core on QNAP from Pixel 2 and Pixelbook

[noris]

Hello @John_Cale,

We have seen the IGMP Proxying setting resolve issues similar to yours:

Periodically unable to connect to Roon Core - [Solved - Netgear Orbi Router issue - Solved by Enabling IGMP Proxying]

Hello @Craig_Reilly, Glad to hear that disabling IGMP has been an effective solution thus far, just want to check in with you here to see if everything is still working as expected and if so I will mark this thread as solved. Thanks in advance for your reply here! Regards, Noris

Other than checking this setting you would also want to make sure that the Orbi is using the same subnet as your android device:

Roon Remote Connection Failed / Connecting [Solved]

Problem solved. After switching routers, and in particular with the Orbi, it detected the modem subnet (192.168.1.x) and automatically set itself to a different subnet (10.0.0.x) to avoid conflicts. On the PC, this in turn resulted in what was previously identified by the firewall as a private network becoming a public network. On the public network, Roon is blocked by the firewall. In my testing I’d only disabled the private network firewall, not realizing it was the public network firewall t…

Thanks,
Noris