Cisco Catalyst 3750 Command Reference Manual page 408

show ip igmp snooping
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
Vlan 1:
--------
IGMP snooping
Immediate leave
Multicast router learning mode
Source only learning age timer
CGMP interoperability mode
Note TCN and source-only learning are not supported, and information appearing for these features is not
valid.
This is an example of output from the show ip igmp snooping command. It displays snooping
characteristics for all VLANs on the switch.
Switch> show ip igmp snooping
Global IGMP Snooping configuration:
-----------------------------------
IGMP snooping
IGMPv3 snooping (minimal) : Enabled
Report suppression
TCN solicit query
TCN flood query count
Vlan 1:
--------
IGMP snooping
Immediate leave
Multicast router learning mode
Source only learning age timer
CGMP interoperability mode
Vlan 2:
--------
IGMP snooping
Immediate leave
Multicast router learning mode
Source only learning age timer
CGMP interoperability mode
<output truncated>
This is an example of output from the show ip igmp snooping querier command:
Switch> show ip igmp snooping querier
Vlan
---------------------------------------------------
1
2
Catalyst 3750 Switch Command Reference
2-380
:Enabled
:Enabled
:Disabled
:2
: Enabled
: Enabled
: Disabled
: 2
IP Address IGMP Version
172.20.50.11 v3
172.20.40.20 v2
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
:Enabled
:Disabled
:pim-dvmrp
:10
:IGMP_ONLY
:Enabled
:Disabled
:pim-dvmrp
:10
:IGMP_ONLY
:Enabled
:Disabled
:pim-dvmrp
:10
:IGMP_ONLY
Port
Gi1/0/1
Router
78-16181-03