Google-fu is failing me here, what is functional the difference between RGMP and PIM-Snooping? Both are mechanisms to constrain traffic as related to mrouter correct? I see for example the C9300 only supports RGMP whereas a C9500 supports both.
Trying to constrain multicast AVoIP traffic to local in-room switches. In-room connections are 10G and can handle the traffic fine but the uplink out of the space is only 1G. If the vlan IGMP querier is local to the in-room switch there is no problem, but, that fails once the vlan has multiple systems and the querier is elected upstream. I assume this is because the mrouter ports are still trying to receive everything vlan-wide even though nothing is requesting the mcast streams upstream.
If am reading correctly, RGMP or PIM-Snooping help alleviate this issue? I know we could make local vlans per system that has a local IGMP querier each, but that approach is not going to scale well from a maintenance/support perspective.
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