Cisco Catalyst 2950 Command Reference Manual page 178

ip igmp snooping mrouter learn pim v2
Related Commands Command
ip igmp snooping
ip igmp snooping
source-only-learning
show running-config | include
mrouter learn pim v2
Catalyst 2950 and Catalyst 2955 Switch Command Reference
2-148
Chapter 2
Description
Globally enables IGMP snooping.
Enable IGMP snooping source-only learning. To prevent
PIMv2 packets from being sent to the CPU, you must also use
the no form of this command to disable source-only-learning.
Displays the configuration information running on the switch.
For syntax information, select Cisco IOS Configuration
Fundamentals Command Reference for Release 12.1 >
Cisco IOS File Management Commands > Configuration
File Commands.
Catalyst 2950 and 2955 Cisco IOS Commands
OL-10102-01