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loopback interface
Description
The loopback interface command is used to test whether the port is available
or not.
Syntax
loopback interface { fastEthernet port | gigabitEtherne t port } { internal |
external }
Parameter
port —— The Fast/Gigabit Ethernet port number.
internal | external —— Loopback Type. There are two options: “internal” and
“external”.
Command Mode
User EXEC Mode and Privileged EXEC Mode
Example
Do an internal-type loopback test for Gigabit Ethernet port 27:
T1500-28PCT# loopback interface gigabitEthernet 1/0/27 internal
Do an external-type loopback test for Gigabit Ethernet port 27:
T1500-28PCT# loopback interface gigabitEthernet 1/0/27 external
show system-info
Description
The show system-info command is used to display System Description,
Device Name, Device Location, System Contact, Hardware Version, Firmware
Version, System Time, Run Time and so on.
Syntax
show system-info
Command Mode
Privileged EXEC Mode and Any Configuration Mode
Example
Display the system information:
T1500-28PCT# show system-info