Cisco Catalyst 3750 Metro

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Catalyst 3750 Metro Switch Command Reference
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Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
show ip igmp snooping
show ip igmp snooping
Use the show ip igmp snooping privileged EXEC command to display the Internet Group Management
Protocol (IGMP) snooping configuration of the switch or the VLAN.
show ip igmp snooping [groups | mrouter | querier] [vlan vlan-id]
Syntax Description
Command Modes Privileged EXEC
Command History
Usage Guidelines Use this command to display snooping configuration for the switch or for a specific VLAN.
VLAN IDs 1002 to 1005 are reserved for Token Ring and FDDI VLANs and cannot be used for IGMP
snooping.
Examples This is an example of output from the show ip igmp snooping command. It shows how to display
snooping characteristics for all VLANs on the switch.
Switch# show ip igmp snooping
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
vlan 2
----------
IGMP snooping is globally enabled
IGMP snooping TCN solicit query is globally disabled
IGMP snooping global TCN flood query count is 2
<output truncated>
groups (Optional) See the show ip igmp snooping groups command.
mrouter (Optional) See the show ip igmp snooping mrouter command.
querier (Optional) See the show ip igmp snooping querier command.
vlan vlan-id (Optional) Specify a VLAN; the range is 1 to 1001 and 1006 to 4094.
Release Modification
12.1(14)AX This command was introduced.
12.2(25)EY The groups keyword was added. The show ip igmp snooping groups
command replaced the show ip igmp snooping multicast command.