Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip igmp snooping
show ip igmp s nooping
To display information on dynamically learned and manually configured VLAN switch interfaces, use
the show ip igmp snooping command.
show ip igmp snooping [querier | groups | mrouter] [ vlan vlan_id] a.b.c.d [summary | sources |
hosts] [count ]
Syntax Description
Defaults T his command has no default settings.
Command Modes EXEC
Usage Guidelines You can a lso use the show mac-address-tab le multicast command to display the entries in the MAC
address table for a VLAN that has IGMP snooping enabled.
You can display IGMP snooping informatio n for VLAN interfaces by e ntering the show ip igmp
snooping command.
Examples This exampl e shows how to display the globa l snooping informatio n on the switch:
Switch# show ip igmp snooping
Global IGMP Snooping configuration:
-----------------------------------
IGMP snooping : Enabled
IGMPv3 snooping : Enabled
Report suppression : Enabled
TCN solicit query : Disabled
TCN flood query count : 2
Vlan 1:
--------
IGMP snooping : Enabled
IGMPv2 immediate leave : Disabled
querier (Optional) Specifies that the display will contain IP address and version information.
groups (Optional) Specifies that the display will list VLAN members sorted by group IP
addresses.
mrouter (Optional) Specifies that the display will contain information on dynamically learned
and manually configured multicast switch interfaces.
vlan vlan_id (Optional) S pecifies a V LAN; vali d values a re from 1 to 10 01 and from 1006 to 4094.
a.b.c.d Group or multicast IP address.
summary (Optional) Specifies a display of detailed information for a v2 or v3 group.
sources (Optional) Specifies a list of the source IPs for the specified group.
hosts (Optional) Specifies a list of the host IPs for the specified group.
count (Optional) Specifies a display of the total number of group addresses learned by the
system on a global or per-VLAN basis.