3Com 5500-EI PWR, Справочное руководство

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1-7
The state of an Ethernet port can be UP, DOWN, or ADMINISTRATIVELY DOWN. The following table
shows the port state transitions.
Table 1-3 Port state transitions
Initial port state
State after executing the
shutdown command
State after executing
the undo shutdown
command
DOWN DOWN
Not connected to
any cable
ADMINISTRATIVELY
DOWN
DOWN
DOWN DOWN
UP UP Connected to a
cable
ADMINISTRATIVELY
DOWN
ADMINISTRATIVELY
DOWN
UP
display interface
Syntax
display interface [ interface-type | interface-type interface-number ]
View
Any view
Parameters
interface - type : Port type.
interface-number : Port number.
For details about the arguments, refer to the parameter description of the interface command.
Description
Use the display interface command to display port configuration.
When using this command:
z
If you specify neither port type nor port number, the command displays information about all ports.
z
If you specify only port type, the command displays information about all ports of the specified type.
z
If you specify both port type and port number, the command displays information about the
specified port.
Examples
# Display the configuration information of Ethernet 1/0/1.
<Sysname> display interface ethernet 1/0/1
Ethernet1/0/1 current state : DOWN
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 0012-a990-2240
Media type is twisted pair, loopback not set
Port hardware type is 100_BASE_TX
100Mbps-speed mode, full-duplex mode
Link speed type is force link, link duplex type is force link