Ip Igmp Snooping Last-Member-Query-Interval - Cisco Catalyst 2960 Command Reference Manual
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Chapter 2
Catalyst 2960 Switch Cisco IOS Commands
ip igmp snooping last-member-query-interval
Use the ip igmp snooping last-member-query-interval global configuration command to enable the
Internet Group Management Protocol (IGMP) configurable-leave timer globally or on a per-VLAN
basis. Use the no form of this command to return to the default setting.
Syntax Descriptiont
vlan vlan-id
time
Defaults
The default timeout setting is 1000 milliseconds.
Command Modes
Global configuration
Command History
Release
12.2(25)FX
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.
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
You can verify your settings by entering the show ip igmp snooping privileged EXEC command.
78-16882-01
ip igmp snooping [vlan vlan-id] last-member-query-interval time
no ip igmp snooping [vlan vlan-id] last-member-query-interval
(Optional) Enable IGMP snooping and the leave timer on the specified
VLAN. The range is 1 to 1001 and 1006 to 4094.
Interval time out in seconds. The range is 100 to 5000 milliseconds.
Modification
This command was introduced.
ip igmp snooping last-member-query-interval
Catalyst 2960 Switch Command Reference
2-115
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