Cisco Catalyst 3750 Metro Command Reference Manual page 528

show ip igmp snooping
This is an example of output from the show ip igmp snooping vlan 1 command. It shows how to display
snooping characteristics for a specific VLAN.
Switch# show ip igmp snooping vlan 1
vlan 1
----------
IGMP snooping is globally enabled
IGMP snooping TCN solicit query is globally disabled
IGMP snooping global TCN flood query count is 2
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is disabled on this Vlan
IGMP snooping mrouter learn mode is pim-dvmrp on this Vlan
IGMP snooping source only learning age timer is 10
IGMP snooping is running in IGMP_ONLY mode on this Vlan
IGMP snooping report suppression is enabled on this Vlan
Related Commands Command
ip igmp snooping
ip igmp snooping querier
ip igmp snooping report-suppression
ip igmp snooping vlan
immediate-leave
ip igmp snooping vlan mrouter
ip igmp snooping vlan static
show ip igmp snooping groups
show ip igmp snooping mrouter
show ip igmp snooping querier
Catalyst 3750 Metro Switch Command Reference
2-500
Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
Description
Enables IGMP snooping on the switch or on a VLAN.
Enables the IGMP querier function in Layer 2 networks.
Enables IGMP report suppression.
Enables IGMP snooping immediate-leave processing on a
VLAN.
Adds a multicast router port or configures the multicast
learning method.
Statically adds a Layer 2 port as a member of a multicast
group.
Displays the IGMP snooping multicast table for the switch.
Displays IGMP snooping multicast router ports for the
switch or for the specified multicast VLAN.
Displays the configuration and operation information for
the IGMP querier configured on a switch.
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