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.
Syntax Description
groups
mrouter
querier
vlan vlan-id
| begin
| exclude
| include
expression
Command Modes
User EXEC
Command History
Release
12.2(25)FX
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
IGMPv3 snooping (minimal) :Enabled
Report suppression
TCN solicit query
TCN flood query count
Last member query interval : 100
Catalyst 2960 Switch Command Reference
2-370
show ip igmp snooping [groups | mrouter | querier] [vlan vlan-id] [ | {begin | exclude | include}
expression]
(Optional) See the
(Optional) See the
(Optional) See the
(Optional) Specify a VLAN; the range is 1 to 1001 and 1006 to 4094 (available
only in privileged EXEC mode).
(Optional) Display begins with the line that matches the expression.
(Optional) Display excludes lines that match the expression.
(Optional) Display includes lines that match the specified expression.
Expression in the output to use as a reference point.
Modification
This command was introduced.
:Enabled
:Enabled
:Disabled
:2
Chapter 2 Catalyst 2960 Switch Cisco IOS Commands
show ip igmp snooping groups
show ip igmp snooping mrouter
show ip igmp snooping querier
command.
command.
command.
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