Extreme Networks ExtremeWare XOS Command Reference Manual page 1794

ExtremeWare XOS 11.5 supports only the Summit X450 family of switches and the BlackDiamond 8800 series switch.
IP Multicast Commands
}
entry catch_all {
if {
} then {
deny;
}
}
NOTE
The switch will not validate any IP address in the policy file used in this command. Therefore, slow-path flooding
should be used only for streams which are very infrequent, such as control packets. It should not be used for
multicast data packets. This option overrides any default mechanism of hardware forwarding (with respect to IGMP,
PIM, or DVMRP) so it should be used with caution.
Slow path flooding will be done within the L2 VLAN only.
Use the
none
You can use the
Example
The following command configures the multicast data stream specified in access1 for slow path flooding:
configure igmp snooping flood-list access1
The following command specifies that no policy file is to be used, this effectively disabling slow path
flooding:
configure igmp snooping flood-list none
History
This command was first available in ExtremeWare XOS 10.1.
Platform Availability
This command is available on all platforms.
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option to effectively disable slow path flooding.
command to see the configuration of slow path flooding.
show igmp
ExtremeWare XOS 11.5 Command Reference Guide