SMC Networks SMC6724L3 Manual de usuario Pagina 115

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P
ORT
C
ONFIGURATION
3-67
Configuring Interface Connections
You can use the Port Configuration or Trunk Configuration page to
enable/disable an interface, set auto-negotiation and the interface
capabilities to advertise, or manually fix the speed, duplex mode, and flow
control.
Command Attributes
Name – Allows you to label an interface. (Range: 1-64 characters)
Admin – Allows you to manually disable an interface. You can disable an
interface due to abnormal behavior (e.g., excessive collisions), and then
reenable it after the problem has been resolved. You may also disable an
interface for security reasons.
Speed/Duplex – Allows you to manually set the port speed and duplex
mode.
Flow Control – Allows automatic or manual selection of flow control.
Autonegotiation (Port Capabilities) – Allows auto-negotiation to be
enabled/disabled. When auto-negotiation is enabled, you need to specify
the capabilities to be advertised. When auto-negotiation is disabled, you
can force the settings for speed, mode, and flow control.The following
capabilities are supported.
- 10half - Supports 10 Mbps half-duplex operation
- 10full - Supports 10 Mbps full-duplex operation
- 100half - Supports 100 Mbps half-duplex operation
- 100full - Supports 100 Mbps full-duplex operation
- 1000full - Supports 1000 Mbps full-duplex operation
- Sym (Gigabit only) - Check this item to transmit and receive pause
frames, or clear it to auto-negotiate the sender and receiver for
asymmetric pause frames. (The current switch chip only supports symmetric
pause frames.)
- FC - Supports 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 802.3x for full-duplex operation. (Avoid using flow control on a
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