Show Ip Igmp Snooping - Cisco Catalyst 3550 Command Reference Manual

Chapter 2 Catalyst 3550 Switch Cisco IOS Commands

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
12.1(4)EA1
12.1(19)EA1
12.2(25)SE
12.2(25)SEA
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 command. It shows how to display
snooping characteristics for all VLANs on the switch.
Switch> show ip igmp snooping
Global IGMP Snooping configuration:
-----------------------------------
IGMP snooping
IGMPv3 snooping (minimal)
Report suppression
TCN solicit query
TCN flood query count
OL-8566-01
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.
The group and querier keywords were added.
The groups keyword was added, and the group keyword was removed.
The detail keyword was added.
show ip igmp snooping groups
show ip igmp snooping mrouter
show ip igmp snooping querier
: Enabled
: Enabled
: Enabled
: Disabled
: 2
Catalyst 3550 Multilayer Switch Command Reference
show ip igmp snooping
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