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Configuring Port Settings 55
■ Flow Control – Enables and disables flow
control on the port. When flow control is
enabled for the port, the Switch regulates
the packet flow so that a sending device
does not transmit more packets than a
receiving device can process. If flow control
is disabled, packets may be dropped under
certain periods of high traffic.
Flow control is disabled by default.
■ Speed – Sets the speed mode of the port.
Available options include auto, 10, 100, and
1000. For 1000 Mbps connections, see
“Speed/Duplex for 1000 Mbps
Connections” below.
Auto (or autonegotiation) sets the optimum
combination of speed and duplex that can
be supported by both ends of the link.
■ Duplex – Sets the duplex mode of the port.
Available options include Auto, Half, and
Full.
CAUTION: It is advised not to enable Flow
Control on ports that will be connected to
telephony and other time sensitive traffic as it
may hamper the QoS performance.
If you modify any of these settings, click Apply
to save your changes.
Figure 41 Port Administration Setup Screen
Speed/Duplex for 1000 Mbps Connections
You cannot preset the speed to 1000 Mbps. To
run a port at 1000 Mbps, you must enable
autonegotiation for the port. When
autonegotiation is enabled, the Switch will
automatically connect at 1000 Mbps, providing
the connected device also supports this speed.