Show Ip Igmp Snooping - Cisco Catalyst 3550 Command Reference Manual
Multilayer switch
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Also See for Catalyst 3550:
- Command reference manual (794 pages) ,
- Installation manual (154 pages) ,
- Hardware installation manual (106 pages)
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Chapter 2 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. Use the mrouter keyword to display the
dynamically learned and manually configured multicast router ports.
Syntax Description
group
mrouter
querier
vlan vlan-id
| begin
| exclude
| include
expression
Command Modes
User EXEC
The vlan vlan-id keyword is available only in privileged EXEC mode.
Command History
Release
12.1(4)EA1
12.1(19)EA1
Usage Guidelines
Use this command to display snooping characteristics for the switch or for a specific VLAN.
You can also use the show mac address-table multicast privileged EXEC command to display entries
in the MAC address table for a VLAN that has IGMP snooping enabled.
When multicast VLAN registration (MVR) is enabled, use the show ip igmp snooping mrouter
command to display MVR multicast router information and IGMP snooping information.
Use the show ip igmp snooping group command to display the multicast groups, the compatibility
mode, and the ports that are associated with each group.
Use the show ip igmp snooping querier command to display the IGMP version and ports that are
associated with a multicast IP address.
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.
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show ip igmp snooping [group | mrouter | querier] [vlan vlan-id] [ | {begin | exclude | include}
expression]
(Optional) Display information about the IGMP multicast groups, the
compatibility mode, and the ports that are associated with each group.
(Optional) Display multicast router ports.
(Optional) Display information about the IGMP version that an interface
supports.
(Optional) Specify a VLAN; the range is 1 to 4094 (only available 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 first introduced.
The group and querier keywords were added.
Catalyst 3550 Multilayer Switch Command Reference
show ip igmp snooping
2-291
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