SMC Networks SMC Tiger 10/100 SMC6128L2 - Manual (Page 532)

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ip igmp snooping version
This command configures the IGMP snooping version. Use the no form
to restore the default.
Syntax
ip igmp snooping version {1 | 2}
no ip igmp snooping version
• 1 - IGMP Version 1
• 2 - IGMP Version 2
Default Setting
IGMP Version 2
Command Mode
Global Configuration
Command Usage
• All systems on the subnet must support the same version. If there are
legacy devices in your network that only support Version 1, you will
also have to configure this switch to use Version 1.
• Some commands are only enabled for IGMPv2, including ip igmp
query-max-response-time and ip igmp query-timeout.
Example
The following configures the switch to use IGMP Version 1:
Console(config)#ip igmp snooping version 1
Console(config)#