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Chapter 20
IGMP Snooping Commands
The IGMP snooping commands are summarized in Table 27.
Table 27. Internet Group Management Protocol Snooping Commands
Command Mode Description
“CLEAR IP IGMP” on page 320 Privileged Exec Clears all IGMP group membership
records.
“IP IGMP LIMIT” on page 321 Global
Configuration
Specifies the maximum number of
multicast addresses the switch is
allowed to learn.
“IP IGMP QUERIER-TIMEOUT” on
page 322
Global
Configuration
Specifies the time period in seconds
used by the switch to identify inactive
host nodes and multicast routers.
“IP IGMP SNOOPING” on page 323 Global
Configuration
Enables IGMP snooping on the
switch.
“IP IGMP SNOOPING MROUTER” on
page 324
Global
Configuration
Manually identifies the ports where
multicast routers are connected.
“IP IGMP STATUS” on page 325 Global
Configuration
Specifies the IGMP host node
topology, of either single-host per port
or multiple-host per port.
“NO IP IGMP SNOOPING” on
page 326
Global
Configuration
Disables IGMP snooping on the
switch.
“NO IP IGMP SNOOPING
MROUTER” on page 327
Global
Configuration
Removes multicast router ports.
“SHOW IP IGMP SNOOPING” on
page 328
Privileged Exec Displays the parameter settings and
operational details of IGMP snooping.
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