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5.9.6 ip igmp snooping leave-time-out
The ip igmp snooping leave-time-out command configures the leave-time-out. If an IGMP report for a
multicast group is not received within the leave-time-out period after an IGMP leave was received from a
specific port, the current port is deleted from the member list of that multicast group. To configure the
default leave-time-out, use the no form of this command.
Syntax
ip igmp snooping leave-time-out {time-out | immediate-leave}
no ip igmp snooping leave-time-out
time-out — leave-time-out in seconds. (Range: 0 - 2147483647)
immediate-leave — Specifies that the port should be immediately removed from the members list
after receivingIGMP Leave.
Default Configuration
The default leave-time-out configuration is 10 seconds.
Command Mode
Interface Configuration (VLAN) mode
User Guidelines
The leave timeout should be set greater than the maximum time that a host is allowed to respond to an
IGMP Query.
Use immediate leave only where there is only one host connected to a port.
Example
The following example configures the host leave-time-out to 60 seconds.
Console (config)# interface vlan 2
Console (config-if)# ip igmp snooping leave-time-out 60
5.9.7 show ip igmp snooping mrouter
The show ip igmp snooping mrouter User EXEC command displays information on dynamically
learned multicast router interfaces.
Syntax
show ip igmp snooping mrouter [interface vlan-id]
vlan_id — VLAN ID value.
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