TP-Link TL-SL5428E Reference Manual page 159

nqqrdcem"kpvgthceg"
Fguetkrvkqp"
The nqqrdcem"kpvgthceg"command is used to test whether the port is available
or not.
U{pvcz"
nqqrdcem" kpvgthceg" { hcuvGvjgtpgv port | ikicdkvGvjgtpgv port } { internal |
external }
Rctcogvgt"
port —— The Fast/Gigabit Ethernet port number.
internal | external —— Loopback Type. There are two options: "internal" and
"external".
Eqoocpf"Oqfg"
User EXEC Mode and Privileged EXEC Mode
Gzcorng"
Do an internal-type loopback test for Gigabit Ethernet port 25:
VN/UN764:G%"nqqrdcem"kpvgthceg"ikicdkvGvjgtpgv"1/0/25 internal
Do an external-type loopback test for Gigabit Ethernet port 25:
VN/UN764:G%"nqqrdcem"kpvgthceg"ikicdkvGvjgtpgv 1/0/25 external
ujqy"u{uvgo/vkog"
Fguetkrvkqp"
The ujqy" u{uvgo/vkog" command is used to display the current time system
and its source.
U{pvcz
"
ujqy"u{uvgo/vkog"
Eqoocpf"Oqfg"
Privileged EXEC Mode and Any Configuration Mode
Gzcorng
"
Display the time information of the switch:
VN/UN764:G%ujqy"u{uvgo/vkog"
VN/UN764:G LgvUvtgco" N4" Ocpcigf" Uykvej" ENK" Iwkfg
142