Loopback Interface - TP-Link JetStream T3700G-28TQ Reference Manual

T3700G-28TQ JetStream 28-Port Gigabit Stackable L3 Managed Switch CLI Guide
Syntax
tracert ip_addr [-w waitTime ] [-h maxHops ]
Parameter
ip_addr —— The IP address of the destination device.
waitTime —— The maximum time for the test data to wait before timeout. It
ranges from 1 to 10000ms.
maxHops —— The maximum number of the route hops the test data can pass
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:
T3700G-28TQ#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
ten-gigabitEthernet port } { internal | external }
Parameter
port —— The Fast/Gigabit/ten-Gigabit Ethernet port number.
internal | external —— Loopback Type. There are two options: "internal" and
"external".
Command Mode
User EXEC Mode and Privileged EXEC Mode
interface { fastEthernet
157
port | gigabitEthernet port |