Specifications

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Catalyst 2950 and Catalyst 2955 Switch Command Reference
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Chapter 2 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 [vlan vlan-id] [ | {begin | exclude | include} expression]
show ip igmp snooping [vlan vlan-id] [ | {begin | exclude | include} expression]
Syntax Description
Command Modes Privileged EXEC
Command History
Usage Guidelines Use this command to display snooping characteristics for the switch or for a specific VLAN.
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 command:
Switch# show ip igmp snooping
vlan 1
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is enabled on this Vlan
IGMP snooping mrouter learn mode is pim-dvmrp on this Vlan
vlan 2
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is enabled on this Vlan
IGMP snooping mrouter learn mode is cgmp on this Vlan
vlan vlan-id (Optional) Keyword and variable to specify a VLAN; valid values are 1 to
4094 when the enhanced software image (EI) is installed and 1 to 1001
when the standard software image (SI) is installed. Do not enter leading
zeros.
| begin (Optional) Display begins with the line that matches the specified
expression.
| exclude (Optional) Display excludes lines that match the specified expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.0(5.2)WC(1) This command was first introduced.