IGMP S
NOOPING

C

OMMANDS

3-61

IGMP Snooping Commands
This switch uses IGMP (Internet Group Management Protocol) to
query for any attached hosts that want to receive a specific
multicast service. It identifies the ports containing hosts requesting
a service and sends data out to those ports only. It then p ropagates
the service request up to any neighboring multicast switch/router
to ensure that it will continue to receive t he multicast service.

ip igmp snooping

Use this command to enable IGMP snooping on this switch. Use
the no form to disable it.
Syntax
ip igmp snooping
no ip igmp snooping
Command Function Mode Page
ip igmp snooping Enables IGMP snooping GC 3-61
ip igmp snooping
query-count
Configures the query count GC 3-62
ip igmp snooping
query-max-
response-time
Configures the report delay GC 3-63
ip igmp snooping
router-port-expire-
time
Configures the query timeout GC 3-64
ip igmp snooping
version
Configures the IGMP version for
snooping
GC 3-65
show ip igmp
snooping
Shows the IGMP snooping
configuration
PE 3-66
show
mac-address-table
multicast
Shows the IGMP snooping MAC
multicast list
PE 3-67