Technical data

RackSwitch G8000 ISCLI Reference
154
 Chapter 4: Configuration Commands BMD00128, September 2009
[no] ip snoop igmp cpu
Configures the switch to forward unregistered IP multicast traffic to the MP, which adds an entry in
the IPMC table, as follows:
 If no Mrouter is present, drop subsequent packets with same IPMC.
 If an Mrouter is present, forward subsequent packets to the Mrouter(s) on the ingress VLAN.
The default setting is enabled.
Note: If both flood and cpu are disabled, then the switch drops all unregistered IPMC traffic.
Command mode: Global configuration
[no] ip snoop igmp aggregate
Enables or disables IGMP Membership Report aggregation.
Command mode: Global configuration
ip igmp snoop source-ip <VLAN number (1-4094)> <IP address>
Configures the source IP address used as a proxy for IGMP Group Specific Queries.
Command mode: Global configuration
[no] ip igmp snoop vlan <1-4094>
Adds or removes the selected VLAN(s) to IGMP Snooping.
Command mode: Global configuration
[no] ip igmp snoop vlan <VLAN number> fast-leave
Enables or disables Fastleave processing. Fastleave allows the switch to immediately remove a
port from the IGMP port list, if the host sends a Leave message, and the proper conditions are met.
This command is disabled by default.
Command mode: Global configuration
default ip igmp snoop
Resets IGMP Snooping parameters to their default values.
Command mode: Global configuration
show ip igmp snoop
Displays the current IGMP snooping parameters.
Command mode: All
Table 4-46 IGMP Snooping Configuration Commands
Command Syntax and Usage