Configuring Layer 2 Multicast IGMP Snooping Configurations
Configuration Guide
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Switch(config)#interface gigabitEthernet 1/0/3
Switch(config-if)#ip igmp snooping
Switch(config-if)#show ip igmp snooping
IGMP Snooping :Enable
Unknown Multicast :Pass
Last Query Times :2
Last Query Interval :1
Global Member Age Time :260
Global Router Age Time :300
Global Report Suppression :Disable
Global Authentication Accounting:Disable
Enable Port:Gi1/0/3
Enable VLAN:
Switch(config-if)#end
Switch#copy running-config startup-config
2.2.3 Configuring IGMP Snooping Parameters Globally
Configuring Report Message Suppression
Step 1 configure
Enter global configuration mode.
Step 2 ip igmp snooping report-suppression
Enable Report Message Suppression globally. If this function is enabled, the switch will only
forward the first IGMP report message to Layer 3 devices and suppress subsequent IGMP
report messages from the same multicast group during one query interval, which reduces the
number of IGMP packets.
Step 3 end
Return to privileged EXEC mode.
Step 4 show ip igmp snooping
Show the basic IGMP snooping configuration.
Step 5 copy running-config startup-config
Save the settings in the configuration file.
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