Cisco Catalyst 2960 Series User Manual

Configuring the IGMP Leave Timer
You can configure the leave time globally or on a per-VLAN basis. Follow these steps to enable the IGMP
configurable-leave timer:
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
ip igmp snooping last-member-query-interval time
4.
ip igmp snooping vlan vlan-id last-member-query-interval time
5.
end
6.
show ip igmp snooping
7.
copy running-config startup-config
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password if prompted.enable
Step 1
Example:
Switch> enable
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Configures the IGMP leave timer globally. The range is 100 to
32767 milliseconds.
ip igmp snooping last-member-query-interval
time
Step 3
Example:
Switch(config)# ip igmp snooping
The default leave time is 1000 milliseconds.
To globally reset the IGMP leave timer to the default
setting, use the no ip igmp snooping
last-member-query-interval global configuration
command.
Note
last-member-query-interval 1000
(Optional) Configures the IGMP leave time on the VLAN interface.
The range is 100 to 32767 milliseconds.
ip igmp snooping vlan vlan-id
last-member-query-interval time
Step 4
Example:
Switch(config)# ip igmp snooping vlan 210
Configuring the leave time on a VLAN overrides the
globally configured timer.
Note
To remove the configured IGMP leave-time setting from
the specified VLAN, use the no ip igmp snooping vlan
vlan-id last-member-query-interval global configuration
command.
Note
last-member-query-interval 1000
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
137
How to Configure IGMP Snooping and MVR

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000