Roon protocol to connect to devices?

[Rugby (aka Daniel or Big Dan)]

I seem to remember that it is recommended to “disabling IGMP snooping”. Try reading through this thread:

Roon crashes my network! [solved vlan multicast issue]

This is a weird one. I signed up for the 14-day trial, and installed Roon 1.2 build 147 on my PC, Windows 10 x64 Pro. When I run Roon, my home network freezes up. The same thing happens when I install and run Roon on my MacBook Pro. After some testing, I discovered that, if I power down my Cisco SG200-26P switch, this doesn’t happen. The switch is not in the path between my PC/MacBook and my router out to the internet. It’s connected to a different port on the router, and manages my data and VoI…