Corinex Global ADSL2+ - Manual (Page 31)

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Corinex ADSL2+ Wireless Gateway G Configuration
Corinex ADSL2+ Wireless Gateway G
4.3.3 Ethernet Switch
In the next section of the Setup tab, you can configure the 4-port ethernet switch
of your Gateway.
For each of the 4 ports you can select between Auto, 10/Half Duplex, 10/Full
Duplex, 100/Half Duplex and 100/Full Duplex. We recommend the Auto
setting which makes sure that your ethernet device connected to the switch will
work properly.
Additionally, you can enable or disable IGMP Snooping for the ethernet switch.
IGMP Snooping is a feature whch allows the switch to enable or disable multicast
traffic automatically for each port and prevents unwanted traffic going to comput-
ers on the network. With IGMP Snooping, 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.