Cisco Catalyst 3550 Command Reference Manual page 318

show ip igmp snooping
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) : 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 vlan 1 command. It shows how to display
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
This is an example of output from the show ip igmp snooping mrouter command. It shows how to
display multicast router ports on the switch.
Switch> show ip igmp snooping mrouter
vlan
-----+----------------------------------------
1
2
Catalyst 3550 Multilayer Switch Command Reference
2-292
: Enabled
: Enabled
: Disabled
: 2
: Enabled
: Enabled
: Disabled
: 2
ports
Gi0/1,Gi0/1, Router
Gi0/3,Gi0/4
:Enabled
:Disabled
:pim-dvmrp
:10
:IGMP_ONLY
:Enabled
:Disabled
:pim-dvmrp
:10
:IGMP_ONLY
:Enabled
:Disabled
:pim-dvmrp
:10
:IGMP_ONLY
Chapter 2 Cisco IOS Commands
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