Network Swtich setting advice?

[Tech_Whisky_Lab (Fernando Fuentes)]

What kind of switch do you have? To my understanding, Jumbo frames are a no no with roon. I heard that some Layer 3 Switches can be problematic with Roon, And to be exact some L3 Switch block multicast by default which is needed by Roon.

Edit:

Found the link with some awesome info by @AMP:

Roon crashes my network! [solved vlan multicast issue]

Multicast and Spanning Tree are the two reasons why I recommend that customers only use high-quality unmanaged switches on their networks. Layer 2 and 3 managed switches are great, but often times their defaults are not conducive to the way that a number of plug-and-play consumer products implement their communication. This isn’t a problem with Roon or Sonos or UPnP, but rather the fact that in a commercial environment the kind of “overly-chatty” traffic that these devices generate is rarely see…