Command Line Interface Guide

480 IGMP Snooping Commands
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-vlan)#ip igmp mcrtexpiretime 2 60
2CSPC4.XModular-SWUM201.book Page 480 Monday, October 3, 2011 2:21 PM