TP-Link T1600G Series - Enabling IGMP Accounting Globally

Configuring Layer 2 Multicast IGMP Snooping Configurations
Configuration Guide
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Enabling IGMP Accounting Globally
Step 1 configure
Enter global configuration mode.
Step 2 ip igmp snooping accounting
Enable IGMP Accounting globally.
Step 3 show ip igmp snooping
Show the global IGMP snooping configuration.
Step 4 end
Return to privileged EXEC mode.
Step 5 copy running-config startup-config
Save the settings in the configuration file.