Cisco IGMP Snooping Source Only Learning Limit

1.3.6.1.4.1.9.9.263.1.8.4

Specifies the maximum number of Layer 2 multicast Source Only entries that IGMP Snooping can install in the Layer 2 forwarding table. If the number of multicast Source Only groups in the system exceeds this limit, snooping entries will not be installed for the over-limit groups and Source Only traffic for these groups will be flooded within the VLAN. Value of zero for this object indicates that there is no limitation on the number of Source Only entries which can be installed in the Layer 2 forwarding table.