Billion Electric Company BiGuard 2 - Manual (Page 114)

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IGMP Snooping: Please select enable or disable IGMP Snooping function.
IGMP Proxy: Please select enable or disable the IGMP Proxy function.
Click Apply to apply this function, and please note that the setting will become
effective after you save to flash and restart the router.
4.4.8.5 VLAN Bridge
This section allows you to create VLAN group and specify the member.
VLAN Bridge: Select enable or disable to use VLAN Bridge function.
Click Create to create another VLAN group.