Command Line Interface
958 1553-KDU 137 365 Uen D 2006-06-16
Command Mode
Interface Configuration (VLAN)
Command Usage
• A multicast client sends an IGMP leave message when it leaves a
group. The router then checks to see if this was the last host in the group
by sending an IGMP query and starting a timer based on this command.
If no reports are received before the timer expires, the group is deleted.
• This value may be tuned to modify the leave latency of the network. A
reduced value results in reduced time to detect the loss of the last
member of a group.
Example
The following shows how to configure the maximum response time to
10 seconds:
7.21.20 ip igmp version
This command configures the IGMP version used on an interface. Use the no
form of this command to restore the default.
Syntax
ip igmp version {1 | 2}
no ip igmp version
• 1 - IGMP Version 1
• 2 - IGMP Version 2
Default Setting
IGMP Version 2
Console(config-if)#ip igmp last-memb-query-interval 10
Console(config-if)#
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