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Cisco ME 3800X and ME 3600X Switch Command Reference
OL-28238-01
Chapter 2 Cisco ME 3800X and ME 3600X Switch Cisco IOS Commands
ip igmp snooping last-member-query-interval
ip igmp snooping last-member-query-interval
To enable the Internet Group Management Protocol (IGMP) configurable-leave timer globally or on a
per-VLAN basis, use the ip igmp snooping last-member-query-interval command in global
configuration command. To the default setting, use the no form of this command to return.
ip igmp snooping [vlan vlan-id] last-member-query-interval time
no ip igmp snooping [vlan vlan-id] last-member-query-interval
Syntax Descriptiont
Defaults The default timeout setting is 1000 milliseconds.
Command Modes Global configuration
Command History
Usage Guidelines When IGMP snooping is globally enabled, IGMP snooping is enabled on all the existing VLAN
interfaces. When IGMP snooping is globally disabled, IGMP snooping is disabled on all the existing
VLAN interfaces.
VLAN IDs 1002 to 1005 are reserved for Token Ring and FDDI VLANs and cannot be used in IGMP
snooping.
Configuring the leave timer on a VLAN overrides the global setting.
The IGMP configurable leave time is only supported on devices running IGMP Version 2.
The configuration is saved in NVRAM.
You can verify your settings by entering the show ip igmp snooping privileged EXEC command.
Examples This example shows how to globally enable the IGMP leave timer for 2000 milliseconds:
Switch(config)# ip igmp snooping last-member-query-interval 2000
This example shows how to configure the IGMP leave timer for 3000 milliseconds on VLAN 1:
Switch(config)# ip igmp snooping vlan 1 last-member-query-interval 3000
vlan vlan-id (Optional) Enables IGMP snooping and the leave timer on the specified
VLAN. The range is 1 to 1001 and 1006 to 4094.
time Interval time out in seconds. The range is 100 to 32768 milliseconds.
Release Modification
12.2(52)EY This command was introduced.
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