Owner's Manual

216 Multicast Routing Commands
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If IGMP is disabled on an interface, the IGMP parameters on the interface return to the
default values.
Example
The following example configures the frequency at which the software sends IGMP host query
messages on port g5 to 600 seconds.
ip igmp last-member-query-interval
The ip igmp last-member-query-interval interface configuration command configures the
frequency at which the software sends Internet Group Management Protocol (IGMP) group-
specific host query messages. To set this frequency to the default value, use the
no form of this
command.
Syntax
ip igmp last-member-query-interval seconds [ tenths-of-seconds ]
no ip igmp last-member-query-interval
• seconds —Frequency, in seconds, at which IGMP group-specific host query messages are
sent. (Range: 0 - 25)
•
tenths-of-seconds —Additional tenths of seconds to add to the defined seconds.
(Range: 0 - 9)
Default Configuration
The default frequency is 1 second.
Command Mode
Interface configuration (Ethernet, VLAN, port-channel)
User Guidelines
IGMP must be enabled before setting the frequency.
If IGMP is disabled on an interface, the IGMP parameters on the interface return to the
default values.
Console (config)# interface ethernet g5
Console (config-if)# ip igmp query-interval 600