igmp fastlearn

The fast learn option allows fast convergence of multicast traffic after a topology change. This command is executed in the global config context.


[no] igmp fastlearn port-list

This command enabled fast learn on the specified ports. The form of the command disables the fast learn function on the specified ports.

Default: Disabled

To enable fastlearn on ports 5 and 6

switch(config)# igmp fastlearn 5-6