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5
P
S
ORT
ETTINGS
The Port Configuration page includes configuration options for enabling
auto-negotiation or manually setting the speed and duplex mode, or
enabling flow control.
P
ARAMETERS
The following parameters are displayed on the Port Configuration page:
Port – Selects one or more ports or trunks to configure. Hold down the
◆
Ctrl key and click port numbers to selelct multiple ports. Hold down the
Shift key to select a range of ports.
State – Sets the link state of port interfaces. (Default: Enabled)
◆
Enable - Enables port interfaces.
■
Disable - Disables the interface. You can disable an interface due to
■
abnormal behavior (e.g., excessive collisions), and then re-enable it
after the problem has been resolved. You may also disable an
interface for security reasons.
Speed/Duplex – Sets the port speed and duplex mode using auto-
◆
negotiation or manual selection. (Default: Auto-negotiation enabled)
Auto - Enables auto-negotiation. When using auto-negotiation, the
■
optimal settings will be negotiated between the link partners based
on their advertised capabilities. Auto must be enabled for all 1 Gbps
connections.
100M/Full - Supports 100 Mbps full-duplex operation
■
100M/Half - Supports 100 Mbps half-duplex operation
■
10M/Full - Supports 10 Mbps full-duplex operation
■
10M/Half - Supports 10 Mbps half-duplex operation
■
The 1000BASE-T standard does not support forced mode. Auto-
N
:
OTE
negotiation should always be used to establish a connection over any
1000BASE-T port or trunk. If not used, the success of the link process
cannot be guaranteed when connecting to other types of switches.
Flow Control – Flow control can eliminate frame loss by "blocking"
◆
traffic from end stations or segments connected directly to the switch
when its buffers fill. When enabled, back pressure is used for half-
duplex operation and IEEE 802.3-2005 (formally IEEE 802.3x) for full-
duplex operation. (Default: Enabled)
– 45 –
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