IGMP Snooping Commands 287
ip igmp snooping mcrtrexpiretime
This command sets the Multicast Router Present Expiration time. The time is set on a
particular VLAN. This is the amount of time in seconds that a switch waits for a query to be
received on an interface before the interface is removed from the list of interfaces with multicast
routers attached. The range is 1–2147483647 seconds. A value of 0 indicates an infinite time-out
(no expiration). The no form of this command sets the Multicast Router Present Expiration
time to 0. The time is set for a particular VLAN.
Syntax
ip igmp snooping mcrtexpiretime
vlan-id seconds
no ip igmp mcrtexpiretime
vlan-id
•
vlan id
— Number assigned to the VLAN
•
seconds
— Multicast router present expiration time. (Range: 1–3600)
Default Configuration
The default multicast router present expiration time is 300 seconds.
Command Mode
VLAN Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example sets the multicast router present expiration time on VLAN 2 to 60
seconds.
console(config-vlan)#ip igmp mcrtexpiretime 2 60
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