TP-Link TL-SG2216 Switch User Manual


 
14.3.2 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 MaintenanceDevice DiagnosticsLoopback to load
the following page.
Figure 14-8 Loopback
The following entries are displayed on this screen:
Loopback Type
Internal: Select Internal to test whether the port is available.
External: Select External to test whether the device connected to the port
of the switch is available
Loopback Port
Loopback Port: Select the desired port for loopback test.
Test: Click the Test button to start the loopback test for the port.
14.4 Network Diagnostics
This switch provides Ping test and Tracert test functions for network Diagnostics.
14.4.1 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.
Choose the menu MaintenanceNetwork DiagnosticsPing to load the
following page.
166