Cisco Catalyst 2950 Command Reference Manual page 194

Desktop switch
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show ip igmp snooping
vlan 3
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is disabled on this Vlan
IGMP snooping mrouter learn mode is cgmp on this Vlan
vlan 4
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is disabled on this Vlan
IGMP snooping mrouter learn mode is cgmp on this Vlan
vlan 5
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is disabled on this Vlan
IGMP snooping mrouter learn mode is pim-dvmrp on this Vlan
vlan 33
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is disabled on this Vlan
IGMP snooping mrouter learn mode is pim-dvmrp on this Vlan
This is an example of output from the show ip igmp snooping vlan 1 command:
Switch# show ip igmp snooping vlan 1
vlan 1
----------
IGMP snooping is globally enabled
IGMP snooping is enabled on this Vlan
IGMP snooping immediate-leave is enabled on this Vlan
IGMP snooping mrouter learn mode is pim-dvmrp on this Vlan
Related Commands
Command
ip igmp snooping
ip igmp snooping vlan
ip igmp snooping vlan
immediate-leave
ip igmp snooping vlan mrouter
show mac address-table multicast
Catalyst 2950 Desktop Switch Command Reference
2-170
Description
Enables IGMP snooping.
vlan-id
Enables IGMP snooping on the VLAN interface.
Configures IGMP Immediate-Leave processing.
Configures a Layer 2 port as a multicast router port.
Displays the Layer 2 multicast entries for a VLAN.
Chapter 2 Cisco IOS Commands
78-11381-05

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