SMC Networks Barricade SMC7904BRA2, User Manual

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C
ONFIGURING THE
B
ARRICADE
TM
4-32
VLAN Profile
Configure the VLAN settings in this screen.
• Description: Enter a description for the VLAN group, for example:
Admin PC's
• IP Address: Enter IP address for the VLAN.
• Subnet Mask: Enter Subnet Mask address for the VLAN.
• NAT Domain: Set NAT Domain to private or public.
• IGMP Snooping: IGMP Snooping: Internet Group Management
Protocol (IGMP) snooping is a method by which Layer 2 devices can
“listen in” on IGMP conversations between hosts and routers. When
a switch hears a group join message from a host, it notes which switch
interface it heard the message on, and adds that interface to the group.
Similarly, when a Layer 2 switch hears a group leave message or a
response timer expires, the switch will remove that host’s switch
interface from the group.
• IGMP Querier: IGMP Querier: if the IGMP Querier is enabled, then
the router will periodically query all multicast group members on the
specified VLAN.