Switch User Manual

152 IGMP Snooping Commands
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User Guidelines
• There are no user guidelines for this command.
Example
The following example configures the mrouter timeout to 200 seconds.
ip igmp snooping leave-time-out
The ip igmp snooping leave-time-out VLAN Interface Configuration mode 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 receiving IGMP 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 mrouter-time-out 200
Console (config)# interface vlan 2
Console (config-if)# ip igmp snooping leave-time-out 60