Quick Reference Guide

210 IGMP Snooping Commands
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DELL CONFIDENTIAL – PRELIMINARY 5/15/12 – FOR PROOF ONLY
Default Configuration
The default value is 300 seconds.
Command Mode
Interface Configuration (VLAN) mode.
User Guidelines
There are no user guidelines for this command.
Example
The following example configures the Multicast router timeout to 200 seconds.
ip igmp snooping leave-time-out
The ip igmp snooping leave-time-out Interface Configuration (VLAN) mode command
configures the leave-time-out. If an IGMP report for a Multicast group was not received for a leave-
time-out period after an IGMP Leave was received from a specific port, this port is deleted from the
member list of that Multicast group. Use the no form of this command to return to the default
configuration.
Syntax
• ip igmp snooping leave-time-out { time-out | immediate-leave }
•
no ip igmp snooping leave-time-out
• time-out — Specifies the leave-time-out in seconds for IGMP queries.
(Range: 0 - 2147483647)
•
immediate-leave — Indicates 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 just one host connected to a port.
Console(config)# interface vlan 2
Console(config-if)# ip igmp snooping mrouter-time-out 200