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TL-SL5428E JetStream L2 Managed Switch CLI Guide

132

the connection between the switch and the destination device is failed to

establish:

TL-SL5428E#tracert 192.168.0.131 –h 20

loopback interface

Description

The loopback interface command is used to test whether the port is available

or not.

Syntax

loopback interface { fastEthernet port | gigabitEthernet 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 25:

TL-SL5428E# loopback interface gigabitEthernet 1/0/25 internal

Do an external-type loopback test for Gigabit Ethernet port 25:

TL-SL5428E# loopback interface gigabitEthernet 1/0/25 external

show system-time

Description

The show system-time command is used to display the current time system

and its source.

Syntax

show system-time

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TP-LINK TL-SL5428E V2 Guía de usuario Pagina 146