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Catalyst 3750-X and 3560-X Switch Command Reference
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Chapter 2 Catalyst 3750-X and 3560-X Cisco IOS Commands
show ip igmp snooping
show ip igmp snooping
Use the show ip igmp snooping user 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] [ | {begin | exclude | include}
expression]
Syntax Description
Command Modes User 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 in IGMP
snooping.
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Examples This is an example of output from the show ip igmp snooping vlan 1 command. It shows snooping
characteristics for a specific VLAN.
Switch# show ip igmp snooping vlan 1
Global IGMP Snooping configuration:
-----------------------------------
IGMP snooping :Enabled
IGMPv3 snooping (minimal) :Enabled
Report suppression :Enabled
TCN solicit query :Disabled
TCN flood query count :2
Last member query interval : 100
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 (available
only in privileged EXEC mode).
| begin (Optional) Display begins with the line that matches the expression.
| exclude (Optional) Display excludes lines that match the expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.2(53)SE2 This command was introduced.
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