Enable Fast Leave

1. Enter Interface Configuration mode for VLAN 2.

   SEFOS# configure terminal
   SEFOS(config)# interface vlan 2 

2. Enable fast leaving.

   SEFOS(config-if)# ip igmp immediate-leave
   SEFOS(config-if)# end

3. Ensure that fast leave is enabled on the interface.

   SEFOS# show ip igmp interface vlan 2
    
   ...
    Fast leave is enabled on this interface
   ...