Loopback; Network Diagnostics; Ping - TP-Link T3700G-28TQ User Manual

18.3.2 Loopback

Loopback test function, looping the sender and the receiver of the signal, is used to test whether
the port of the switch is available as well as to check and analyze the physical connection status of
the port to help you locate and solve network malfunctions.
Choose the menu Maintenance→Device Diagnostics→Loopback to load the following page.
The following entries are displayed on this screen:
Loopback Type

Internal:
External:
Loopback Port

UNIT:
Loopback Port:
Loopback Result

Here you can view the loop back result.

18.4 Network Diagnostics

This switch provides Ping test and Tracert test functions for network diagnostics.

18.4.1 Ping

Ping test function, testing the connectivity between the switch and one node of the network,
facilitates you to test the network connectivity and reachability of the host so as to locate the
network malfunctions.
Figure18-8 Loopback
Select Internal to test whether the port is available.
Select External to test whether the device connected to the port
of the switch is available
Select the unit ID of the desired member in the stack.
Select the desired port for loopback test.
379