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First, create a bridge interface with enabled IGMP snooping. In this example, there is no active IGMP querier (no multicast router or proxy), so a local IGMP querier must be enabled on the same bridge. This can be done with a multicast-querier setting. If the LAN does not have an there is no active IGMP querier in the LAN, the unregistered IP multicast will be flooded and multicast entries will always timeout from the multicast database.
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