Administrator Guide

Layer 2 Switching Commands 478
ip igmp snooping vlan 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 vlan vlan-id mcrtexpiretime time
no igmp snooping vlan vlan-id mcrtexpiretime time
• vlan-id — A VLAN identifier (Range 1-4093).
•
time — Multicast router present expiration time. (Range: 1–3600)
Default Configuration
The default multicast router present expiration time is 300 seconds.
Command Mode
Global Configuration mode
User Guidelines
The mcrexpiretime should be less than the group membership interval.
Example
The following example sets the multicast router present expiration time on
VLAN 2 to 60 seconds.
console(config)#ip igmp snooping vlan 2 mcrtexpiretime 1500
ip igmp snooping report-suppression
This command enables IGMP report suppression on a specific VLAN. The no
form of this command disables report suppression.
2CSNXXX_SWUM204.book Page 478 Monday, January 25, 2016 1:25 PM