Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
ip igmp snooping source-only-learning age-timer
Examples This example shows how to set the aging time as 1200 seconds (20 minutes):
Switch(config)# ip igmp snooping source-only-learning age-timer 1200
This example shows how to disable aging of the forward-table entries:
Switch(config)# ip igmp snooping source-only-learning age-timer 0
You can verify your settings by entering the show running-config | include source-only-learning
privileged EXEC command.
Related Commands Command Description
ip igmp snooping Enables IGMP snooping on the switch or on a VLAN.
show running-config | include
source-only-learning
Displays the configuration information running on the switch. For
syntax information, select Cisco IOS Release 12.2 Configuration
Guides and Command References > Cisco IOS Configuration
Fundamentals Command Reference, Release 12.2 > File
Management Commands > Configuration File Management
Commands.