Loopback; Show System-Info - TP-Link JetStream TL-SL3428 Cli Reference Manual

though. It ranges from 1 to 30. By default, this value is 4.
Command Mode
User EXEC Mode and Privileged EXEC Mode
Example
Test the connectivity between the switch and the network device with the IP
192.168.0.131. If the destination device has not been found after 20 maxHops,
the connection between the switch and the destination device is failed to
establish:
TP-LINK# tracert 192.168.0.131 20

loopback

Description
The loopback command is used to test whether the port is available or not.
Syntax
loopback {port} { internal | external }
Parameter
port —— The number of the port which is selected for loopback test. It ranges
from 1 to 28.
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 port 4:
TP-LINK#loopback 4 internal

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.
TL-SL3428 JetStream L2 Managed Switch CLI Guide
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