3Com 5500 SI - Switch - Stackable, Руководство по настройке

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56 C
HAPTER
3: P
ORT
O
PERATION
Entering Ethernet Port View
Before configuring an Ethernet port, enter Ethernet Port View.
Perform the following configuration in System View.
Enabling/Disabling an Ethernet Port
Use the following command to disable or enable the port. After configuring the
related parameters and protocol of the port, you can use the following command to
enable the port. If you do not want a port to forward data, use the command to
disable it.
Perform the following configuration in Ethernet Port View.
By default, the port is enabled.
Setting the Description Character String for the Ethernet Port
To distinguish the Ethernet ports, use the following command to assign a description
to each port.
Perform the following configuration in Ethernet Port View.
By default, the port description is a null character string.
Setting the Duplex Attribute of the Ethernet Port
To configure a port to send and receive data packets at the same time, set it to
full-duplex. To configure a port to either send or receive data packets, set it to
half-duplex. If the port has been set to auto-negotiation mode, the local and peer
ports will automatically negotiate the duplex mode.
Perform the following configuration in Ethernet Port View.
Note that 10/100BASE-T Ethernet ports support full duplex, half duplex and
auto-negotiation, which can be set as required. Gigabit Ethernet ports support full
Table 32 Entering Ethernet Port View
Operation Command
Enter Ethernet Port View
interface
{
interface_type
interface_num | interface_name
}
Table 33 Enabling/Disabling an Ethernet Port
Operation Command
Disable an Ethernet port
shutdown
Enable an Ethernet port
undo shutdown
Table 34 Setting the Description Character String for the Ethernet Port
Operation Command
Set description character string for Ethernet port.
description text
Delete the description character string of Ethernet.
undo description
Table 35 Setting the Duplex Attribute for the Ethernet Port
Operation Command
Set duplex attribute for Ethernet port.
duplex
{
auto
|
full
|
half
}
Restore the default duplex attribute of Ethernet port.
undo duplex