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Catalyst 6500 Series Switch Command Reference—Release 8.1
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Chapter 2 Catalyst 6500 Series Switch and ROM Monitor Commands
set igmp mode
set igmp mode
To set the IGMP snooping mode, use the set igmp mode command.
set igmp mode {igmp-only | igmp-cgmp | auto}
Syntax Description
Defaults The default is IGMP mode is auto.
Command Types Switch.
Command Modes Privileged.
Usage Guidelines The switch dynamically chooses either IGMP-only or IGMP-CGMP mode, depending on the traffic
present on the network. IGMP-only mode is used in networks with no CGMP devices. IGMP-CGMP
mode is used in networks with both IGMP and CGMP devices. Auto mode overrides the dynamic
switching of the modes.
Examples This example shows how to set the IGMP mode to IGMP-only:
Console> (enable) set igmp mode igmp-only
IGMP mode set to igmp-only
Console> (enable)
This example shows how to set the IGMP mode to auto:
Console> (enable) set igmp mode auto
IGMP mode set to auto
Console> (enable)
Related Commands show igmp mode
igmp-only Specifies IGMP snooping only.
igmp-cgmp Specifies IGMP and CGMP modes.
auto Overrides the dynamic switching of IGMP snooping modes.
