Product and Software: This article applies to all Aruba controllers running ArubaOS 3.4 or later.
IGMP Snooping and IGMP Proxy
These two features can achieve the same goal: reduce traffic replication and save air time. The controller maintains a mapping table and forwards multicast traffic only to the hosts that have joined the specific multicast group.
In both cases, user VLANs need to be trunked to the uplink router. This connection is to ensure that the router can receive and process the IGMP messages.
Only IGMP v1 and v2 are supported.
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