Usage 
Information
The access list accepted is an extended ACL. Use this feature to block IGMP reports from 
hosts, on a per-interface basis based on the group address and source address that you 
specify in the access list.
ip igmp group-join-limit
Use this feature to limit the number of IGMP groups that can be joined in a second.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
ip igmp group-join-limit number
Parameters
number
Enter the number of IGMP groups permitted to join in a second. The 
range is 1 to 10000.
Defaults none
Command Modes CONFIGURATION (conf-if-
interface-slot/port
)
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the C-Series and S-Series.
Version 7.6.1.0 Introduced on the E-Series.
ip igmp immediate-leave
Enable IGMP immediate leave.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
ip igmp immediate-leave [group-list prefix-list-name]
To disable ip igmp immediate leave, use the no ip igmp immediate-leave 
command.
Parameters
group-list 
prefix-
list-name
Enter the keywords group-list followed by a string up to 16 
characters long of the prefix-list-name.
Defaults Not configured.
Command Modes INTERFACE
670