@jeremyczaicki wrote:"The only way to get a querier is to add an interface into each vlan. But i do not understand why since with SG300 it is not needed ?"Inter-vlan routing must have been enabled on the SG300
We have been working with an industrial leader implementing a multicastsolution here and they recommend SG350 (PoE models) so it definitely workswith multiple switches. Perhaps contacting Cisco SMB support would be thequickest solution for you as thi...
Could this be occuring because your routers aren't on the same network segment? From what I understand, they should reside on the same segment for them to be elected. They must be querying from outside the subnet hence the broadcast source shown.