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Speed/Duplex: Select the Speed and Duplex mode for the port.
The device
connected to the switch should be in the same Speed and
Duplex mode with the switch.
Available field values are “Auto”,
“10M HD”, “10M FD”, “100M HD”, “100M FD” and “1000M FD”.
"HD" stands for Half-Duplex and "FD" stands for Full-
Duplex.
"Auto" means auto negotiation.
Flow Control:
Allows you to On/Off the Flow Control feature. When “On” is
selected, the switch can synchronize the speed with its peer to
avoid the packet loss caused by congestion.
Note:
The switch cannot be managed through the disabled port. Please enable the port which is used
to manage the switch.
5.2 IGMP Snooping
Internet Group Management Protocol (IGMP) snooping is a multicast control mechanism, which
can be used on the switch for dynamic registration of the multicast group.
IGMP Snooping allows the switch to recognize the IGMP messages transmitted between
network stations or devices and an IGMP host. When receiving IGMP report message from the
IGMP host, the switch will add the port to the multicast address table; when listening to IGMP
leave message from the IGMP host, the switch will remove the port from the multicast address
table. By managing and controlling the multicast address table, the broadcasting of multicast
traffic can be effectively prevented in the network.
On this page you can enable IGMP Snooping feature, Report Message Suppression feature and
view the current IGMP Group information.
Choose the menu Switching→IGMP Snooping to load the following page.
Figure 5-2 IGMP Snooping
The following entries are displayed on this screen:
IGMP Snooping
IGMP Snooping:
Enable or disable IGMP snooping function globally on the switch.
Report Message
Suppression:
Enable or disable
Report Message Suppression function
globally. If this function is enabled, the first Report Message
from the listener will forward to the router ports while the
subsequent Report Message will be suppressed to reduce the
IGMP packets.
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