dsIfTopoChangeFloodEnabled 1.3.6.1.4.1.6296.9.1.1.2.24.1.4.1.1.1

When this object is set to 'true' multicast traffic will be flooded on the port for dsTopoChangeFloodQueryCount of Igmp General Queries upon receiving a Topology Change Notification (TCN) for the VLAN to which the port belongs.